Tag Archives: bearing roller bearing

China Best Sales Skfnj205ecp/ Cylindrical Rolling Bearing/Rolling Bearing/ Roller Bearing/Ball Bearing bearing and race

Product Description

SKFNJ205ECP is a cylindrical rolling bearing that belongs to the SKFNJ series of bearings. The following are the parameters and usage instructions for SKFNJ205ECP bearings:

Parameters:

1. Bearing type: NJ205ECP

2. Dimensions: The inner diameter (inner ring diameter) is 25mm, the outer diameter (outer ring diameter) is 52mm, and the width is 15mm.

3. Load capacity: The nominal load capacity of NJ205ECP bearing is 35.5 kN for dynamic load and 30 kN for static load.

Instructions for use:

1. Installation: Before installing the NJ205ECP bearing, make sure to clean the installation position and check if the bearing is damaged. Special bearing installation tools or appropriate installation methods can be used to install the bearings CZPT the equipment shaft.

2.Lubrication: Before using bearings, ensure proper lubrication. Select appropriate lubricating grease or oil according to actual application needs, and lubricate according to the recommendations in the bearing catalog or technical manual.

3. Load: The NJ205ECP bearing has a certain load capacity, but please ensure that it does not exceed its nominal load capacity. Exceeding the nominal load may result in bearing damage or shortened lifespan.

4. Temperature: NJ205ECP bearings generate heat during operation, so please ensure that the working temperature does not exceed the range that the bearing can withstand. Exceeding the temperature range may cause bearing failure.

5. Maintenance: Regularly check the condition of bearings and lubricate or replace bearings as needed.

Please note that the parameters and instructions provided above are only applicable to SKFNJ205ECP bearings. In practical applications, it is recommended to refer to the bearing catalog, technical manual, or consulted technical support for more detailed and accurate information.

Model Inner Diameter Outer Diameter Width
NJ205ECP 25mm 52mm 15mm

 

FAQ

1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than Over 200 sets.

2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.

3.Does your company have quality assurance?
Yes, for 1 years.

4.Are you a factory or a trading company?
We have our own cooperative factory, and our business type is a combination of manufacturing and trading.

5.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

6.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner,  100% after-sales service.

7.Which payment method does your company support?
Do our best to meet customer needs, Can be negotiated.

8.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, we will contact you as soon as possible and provide the detailed information you need.

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: 25*52*15
Customization:
Available

|

Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:

  • Effective Sealing:

Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.

  • Clean Environment:

Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

  • Proper Handling:

Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

  • Clean Tools and Equipment:

Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

  • Contamination-Controlled Workstations:

Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.

  • Proper Lubrication:

Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.

  • Regular Inspections:

Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

  • Training and Education:

Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.

  • Environmental Controls:

In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

  • Regular Cleaning and Maintenance:

Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.

  • Selection of Suitable Bearings:

Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.

By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China Best Sales Skfnj205ecp/ Cylindrical Rolling Bearing/Rolling Bearing/ Roller Bearing/Ball Bearing bearing and raceChina Best Sales Skfnj205ecp/ Cylindrical Rolling Bearing/Rolling Bearing/ Roller Bearing/Ball Bearing bearing and race
editor by CX 2024-02-08

China manufacturer 10% off Track Roller U V W Groove Conveyor Pulleys Wheel Cam Follwer Sliding Rolling Spherical Guide Line Ball Bearing with high quality

Product Description

 

Track rollers-SG series   (mm)  
g dw d D C B L d2 H Cw(KN) Cow(KN) Frperm(KN)
SG15 8 6 5 17 8 5.75 20.46 8.6 1 1.27 0.82 1.3
SG15-10 9 10 5 17 8 5.75 25.5 8.6 1 1.27 0.82 1.3
SG20 25 8 6 24 11 7.25 28.62 11.1 1.2 3.4 1.7 1.3
SG25 49 10 8 30 14 8.5 35.77 13 1.5 3.67 2.28 1.3
SG35 136 12 12 42 19 12.5 48.93 18 1.5 8.5 5.1 5.1
SG15N 8 6 5 17 8 5.75 20.46 8.6 0.5 1.27 0.82 1.3
SG20N 25 8 6 24 11 7.25 28.62 11.1 0.7 3.4 1.7 1.3
SG25N 49 10 8 30 14 8.5 35.77 13 1 3.67 2.28 1.3
SG35N 136 12 12 42 19 12.5 48.93 18 1 8.5 5.1 5.1
LFR50/5-4N 8 4 5 16 7 5 18 6.9 0 2.02 0.93 1.3
LFR50/5-5 8 5 5 17 7 5 20 6.9 0 2.02 0.93 1.3
LFR50/5N 8 6 5 17 7 5 21 6.9 0 2.02 0.93 1.3
LFR50/8N 25 6 8 24 11 7 28 12.3 0 3.67 2.28 1.3
LFR50/8-8N 25 6 8 24 11 7 29 12.3 0 3.67 2.28 1.3

 

GNYAR   KG dw d D B C A a rs Cw(KN) Cow(KN)
LV20/7ZZ 17 10 7 22 11 11 14.5 120 0.3 3.78 2.05
LV20/8ZZ 49 10 8 30 14 14 18.1 120 0.3 5.13 2.67
LV202-38ZZ 87 10 15 38 17 17 22.25 120 0.5 8.47 5.37
LV202-40ZZ 110 10 15 40 18 18 22 120 0.5 8.47 5.37
LV201ZZ 130 20 12 41 20 20 28 120 0.3 8.47 5.37
LV201-14.2RS 107 14 12 39.9 18 18 24 1 19.05 0.75

 

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2nd step: the outside diameter of the bearing

  •  
  • A / Put your bearing on the grid as shown in the diagram.
  •  
  • B / Mark the outline of the outer ring. For more convenience, use a pencil with a fine point.
  •  
  • C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.

 

 

 

 

3rd step: the thickness of the bearing

  •  
  • A / In the same way as for the outer diameter and the bore, place your bearing on the edge on the grid as shown in the diagram.
  • B / Draw the outer contour.
  •  
  • C / For ease of reading, do not hesitate to draw lines to the axes and then take the measurement.

 

Conclusion :

You now have 3 measuring elements that will allow you to identify your bearing: the inside diameter (or bore), the outside diameter, and the thickness.

You can postpone these measurements in our bearing search tool on our website

FAQ

 1.How many is the MOQ of your company?
   Our company MOQ is 1pcs.
 

2.Could you accept OEM and customize?
   YES, OEM is accepted and we can customize for you according to sample or drawing. 

 

3.How do you guaranee the quality?
Evaluate the samples and drawings before production
Eva;iate the production process,and following it in schedual,guarantee the delievery time in time.
Evaluate the bearing dimension,clearance,noise,rotations of final productions.
Evaluate the fause products,block it and make an improve action.
 

 

4.Do you have stocks?
   YES, we have most of the bearings showing on made in china in stock,please contact us for order details.

 

5.Do you have only Hubs Wheel Auto Bearing?

    YES,we have more others types bearings,ANY BEARING YOU CAN THINK OF NOW,WE HAVE!

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: Normal
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China manufacturer 10% off Track Roller U V W Groove Conveyor Pulleys Wheel Cam Follwer Sliding Rolling Spherical Guide Line Ball Bearing with high qualityChina manufacturer 10% off Track Roller U V W Groove Conveyor Pulleys Wheel Cam Follwer Sliding Rolling Spherical Guide Line Ball Bearing with high quality
editor by CX 2024-02-06

China Best Sales China Factory Pressure Plane Thrust Roller Thrust Ball Bearing 51326m 8326m Bearing Steel High Quality Durable Thrust Ball Bearing Eight Types of Bearing bearing block

Product Description

 

Company Profile

          ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.
 

Product Description

 

Product Name Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing
Brand Name  KSA
Material Gcr15
Precision Grade P0,P6,P5
Certification ISO 9001
Packeage Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement
MOQ Depending On Moedl
Serice OEM

Sample Available
Payment TT or L/C or Western Union
Port HangZhou  ZheJiang   HangZhou

 

Bearing Profile

Bearing Profile:

Type:Flat thrust ball bearing

Effect: The main role of thrust ball bearings is to withstand axial and radial loads, and can also withstand torque and tilt forces. Its ability to withstand axial load is relatively strong suitable for high speed operation and high precision requirements of mechanical equipment.

Exceptional Load Capacity: Our bearings are designed to handle heavy axial loads with ease, ensuring the reliable operation of your equipment even in the most demanding environments.

Precision Engineering: Crafted with precision and attention to detail, these bearings offer outstanding accuracy and minimal friction, contributing to the efficiency and longevity of your machines.

Reduced Downtime: With our Eight-Class Thrust Ball Bearings, you can count on reduced downtime and maintenance costs, allowing your business to stay productive and profitable.

Versatile Applications: Whether you’re in the automotive, aerospace, manufacturing, or any other

Old model(New model) Inside * outside * high Old model(New model) Inside * outside * high Old model(New model) Inside * outside * high
8100(51100) 10*24*9 8200(51200) 10*26*11 8304(51304) 20*47*18
8101(51101) 12*26*9 8201(51201) 12*28*11 8305(51305) 25*52*18
8102(51102) 15*28*9 8202(51202) 15*32*12 8306(51306) 30*60*21
8103(51103) 17*30*9 8203(51203) 17*35*12 8307(51307) 35*68*24
8104(51104) 20*35*10 8204(51204) 20*40*14 8308(51308) 40*78*26
8105(51105) 25*42*11 8205(51205) 25*47*15 8309(51309) 45*85*28
8106(51106) 30*47*11 8206(51206) 30*52*16 8310(51310) 50*95*31
8107(51107) 35*52*12 8207(51207) 35*62*18 8311(51311) 55*105*35
8108(51108) 40*60*13 8208(51208) 40*68*19 8312(51312) 60*110*35
8109(51109) 45*65*14 8209(51209) 45*73*20 8313(51313) 65*115*36
8110(51110) 50*70*14 8210(51210) 50*78*22 8314(51314) 70*125*40
8111(51111) 55*78*16 8211(51211) 55*90*25 8315(51315) 75*135*44
8112(51112) 60*85*17 8212(51212) 60*95*25 8316(51316) 80*140*44
8113(51113) 65*90*17 8213(51213) 65*100*27 8317(51317) 85*150*49
8114(51114) 70*95*18 8214(51214) 70*105*27 8318(51318) 90*155*50
8115(51115) 75*100*19 8215(51215) 75*110*27 8320(51320) 100*170*55
8116(51116) 80*105*19 8216(51216) 80*115*28 8322(51322) 110*190*63
8117(51117) 85*110*19 8217(51217) 85*125*31 8324(51324) 120*210*70
8118(51118) 90*120*22 8218(51218) 90*135*35 8326(51326) 130*225*75
8120(51120) 100*130*25 8220(51220) 100*150*38 8328(51328) 140*240*80
8122(51122) 110*145*25 8222(51222) 110*160*38 8330(51330) 150*250*80
8124(51124) 120*155*25 8224(51224) 120*170*39 8332(51332) 160*270*87
8126(51126) 130*170*30 8226(51226) 130*190*45 8334(51334) 170*280*87
8128(51128) 140*180*31 8228(51228) 140*200*46 8336(51336) 180*300*95
8130(51130) 150*190*31 8230(51230) 150*215*50 8338(51338) 190*320*105
8132(51132) 160*200*31 8232(51232) 160*225*51 8340(51340) 200*340*110
8134(51134) 170*215*34 8234(51234) 170*240*55 8344(51344) 220*360*112
8136(51136) 180*225*34 8236(51236) 180*250*56 8348(51348) 240*380*112
8138(51138) 190*240*37 8238(51238) 190*270*62    
8140(51140) 200*250*37 8240(51240) 200*280*62 8405(51405) 25*60*24
8144(51144) 220*270*37 8244(51244) 220*300*63 8406(51406) 30*70*28
8148(51148) 240*300*45 8248(51248) 240*340*78 8407(51407) 35*80*32
8152(51152) 260*320*45 8252(51252) 260*360*79 8408(51408) 40*90*36
8156(51156) 280*350*53 8256(51256) 280*380*90 8409(51409) 45*100*39
8160(51160) 300*380*62 8260(51260) 300*420*95 8410(51410) 50*110*43
8164(51164) 320*400*63 8264(51264) 320*440*95 8411(51411) 55*120*48
8168(51168) 340*420*64 8268(51268) 340*460*96 8412(51412) 60*130*51
8172(51172) 360*440*65 8272(51272) 360*500*110 8413(51413) 65*140*56
8180(51180) 400*480*65 8276(51276) 380*520*112 8414(51414) 70*150*60
8184(51184) 420*500*65 8280(51280) 400*540*112 8415(51415) 75*160*65
8188(51188) 440*540*80     8416(51416) 80*170*68
8192(51192) 460*560*80     8417(51417) 85*180*72
8196(51196) 480*580*80     8418(51418) 90*190*77
        8420(51420) 100*210*85
        8422(51422) 110*230*95
        8424(51424) 120*250*102
        8426(51426) 130*270*110
        8428(51428) 140*280*112
        8430(51430) 150*300*120
        8436(51436) 180*360*140

Company strength

Company strength:

Stock supply Complete model Timely delivery

1.The main production thrust ball bearing thrust roller bearing needle bearing tapered roller bearing deep groove ball bearing outer spherical bearings and other products

2.implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service!

3.The company has bearing production plant, complete inventory supply, complete models, timely delivery, thoughtful after-sales service, reasonable price, welcome to negotiate

 

Our Advantages

Our Advantage:
1.Our products: with high quality, long life, high speed, low noise, low friction quality products

2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices

3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team

4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs

 

FAQ

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance 
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
    We can custom your packaging according to your design All copyright own by clients and we  promised  don’t 
    disclose any info.
Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,
     account or account, we will contact you as soon as possible and provide the detailed information
 you need.

             Please feel free to contact us, if you have any other question

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Quality: High Precision
Noise: No
Service Life: Long
Samples:
US$ 4.18/Piece
1 Piece(Min.Order)

|

Order Sample
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.





about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales China Factory Pressure Plane Thrust Roller Thrust Ball Bearing 51326m 8326m Bearing Steel High Quality Durable Thrust Ball Bearing Eight Types of Bearing bearing blockChina Best Sales China Factory Pressure Plane Thrust Roller Thrust Ball Bearing 51326m 8326m Bearing Steel High Quality Durable Thrust Ball Bearing Eight Types of Bearing bearing block
editor by CX 2024-01-19

China best CZPT CZPT Ball and Roller Bearing Lm11749/10 Tapered Roller Bearings wheel bearing

Product Description

Timken CZPT Ball and Tapered Roller Bearing Factory Lm11749/10 Inch Taper Roller Bearing

NO 1. our adwantages:

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical rollerbearings, spherical ball bearings, spherical roller bearings, single row angular contact bearings, double row angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available

 

NO 2. Description: Inch Tapered Roller bearing

1. Inch Taper roller bearing mainly bear radial primarily diameter, the axial load. Bearing capacity depends on the Angle of the outer ring raceway, the greater the Angle, the greater the carrying capacity.

2. Inch Taper roller bearing type belongs to the separation bearing, , according to the bearing the number of columns of the scroll body can be divided into single row, double row and 4 row circular cone roller bearings.
3. Single row inch taper roller bearing clearance to users in the installation adjustment; Double row and four row circular cone roller bearings clearance has according to user requirements for a given when the products leave the factory, not the user.
4.Tapered roller bearing are widely used in car: front-wheel, rear wheel, transmission, differential pinion shaft. Machine tool spindles, construction machinery, largescale agricultural machinery, railway vehicles, gear reduction, the rolling mill roll neck and deceleration devices
5. Equipment, instrument, building machinery, rolling stock agricultural machinery and various specialized machineries.

 

 NO 3. OEM all brand bearing

1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS

2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33

3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ

4. taper roller bearing 35710,30300,32200,32300,31300,32000

5. Aligning ball bearing 1200,1300,2200,2300,

6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN

7. thrust ball bearing 51100,51200,51300,51400,E,M

8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 

9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP

10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing

 

 NO 4. Tapered Roller Bearing Specification:

Seals Types OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-15 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;
Single box+outer carton+pallets;
Tube packge+middle box+outer carton+pallets;
According to your requirement

NO 5. Tapered Roller Bearing Models: 

 

   (mm)  

Cr(N)

Cor(N)

 (rpm) (mm)
a		 e   (kg)  
d D T B C r1
(min)		 r2
(min)		 Cone Cup     da
(min)		 db
(max)		 Cone Cup Cone Cup        
15.875 34.988 10.998 10.998 8.712 1.3 1.3 L21549 L21511 13800 13400 11000 15000 3.3 0.32 1.9 1 0.033 0.019 L21549 L21511
15.875 42.862 14.288 14.288 9.525 1.5 1.5 11590 11520 17800 17800 8500 12000 1.1 0.7 0.85 0.47 0.06 0.04 11590 11520
15.875 42.863 14.288 14.288 9.525 1.6 1.6 H-11590 H-11520 17800 17700 8600 12000 1.2 0.7 0.85 0.47 0.06 0.041 H-11590 H-11520
16.993 39.992 12.014 11.153 9.525 0.8 1.3 A6067 A6157 14900 15700 10000 14000 1.5 0.53 1.1 0.63 0.04 0.032 A6067 A6157
17.462 39.878 13.843 14.605 10.668 1.3 1.3 LM11749 LM11710 23400 23000 10000 13000 5.2 0.29 2.1 1.2 0.055 0.026 LM11749 LM11710
17.463 39.878 13.843 14.605 10.668 1.2 1.2 H-LM11749 H-LM11710 25400 26000 8800 12000 5.1 0.29 2.1 1.15 0.058 0.571 H-LM11749 H-LM11710
19.05 39.992 12.014 11.153 9.525 1 1.3 A6075 A6157 14900 15700 10000 14000 1.5 0.53 1.1 0.63 0.037 0.032 A6075 A6157
19.05 45.237 15.494 16.637 12.065 1.2 1.2 H-LM11949 H-LM11910 29400 35710 7800 11000 5.5 0.3 2 1.1 0.081 0.044 H-LM11949 H-LM11910
19.05 45.237 15.494 16.637 12.065 1.3 1.3 LM11949 LM11910 29900 30500 9000 12000 5.6 0.3 2 1.1 0.08 0.045 LM11949 LM11910
19.05 47 14.381 14.381 11.112 1.3 1.3 05075 5715 24900 25400 8500 11000 3.9 0.36 1.7 0.92 0.074 0.046 05075 5715
19.05 49.225 18.034 19.05 14.288 1.2 1.2 H- 0571 7 H-5715 37700 37700 7500 10000 7.4 0.27 2.26 1.24 0.116 0.066 H- 0571 7 H-5715
19.05 49.225 18.034 19.05 14.288 1.3 1.3 0571 7 5715 37500 37500 8500 11000 9.1 0.27 2.3 1.2 0.11 0.065 0571 7 5715
19.05 49.225 21.209 19.05 17.463 1.3 1.5 0571 7 5716 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.085 0571 7 5716
19.05 49.225 21.209 19.05 17.463 1.3 3.5 0571 7 5714 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.081 0571 7 5714
19.05 49.225 19.845 21.539 14.288 1.3 1.3 09078 5715 37500 37500 8500 11000 9.1 0.27 2.3 1.2 0.11 0.065 09078 5715
19.05 49.225 23.02 21.539 17.463 1.3 1.5 09078 5716 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.085 09078 5716
19.05 49.225 23.02 21.539 17.463 1.3 3.5 09078 5714 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.081 09078 5714
19.05 49.225 19.845 21.539 14.288 1.3 1.3 09074 5715 37500 37500 8500 11000 9.1 0.27 2.3 1.2 0.11 0.065 09074 5715
19.05 49.225 23.02 21.539 17.463 1.3 1.5 09074 5716 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.085 09074 5716
19.05 49.225 23.02 21.539 17.463 1.3 3.5 09074 5714 37500 37500 8500 11000 7.3 0.27 2.3 1.2 0.11 0.081 09074 5714
19.987 47 14.381 14.381 11.112 1.5 1.3 05079 5715 24900 25400 8500 11000 3.9 0.36 1.7 0.92 0.07 0.046 05079 5715
20.638 49.225 19.845 19.845 15.875 1.5 1.5 12580 12520 36000 37000 8000 11000 7.1 0.32 1.9 1 0.115 0.066 12580 12520
21.43 50.005 17.526 18.288 13.97 1.17 1.17 H-M12649 H-M12610 39100 40700 7000 10000 6.4 0.28 2.16 1.19 0.112 0.06 H-M12649 H-M12610
21.43 50.005 17.526 18.288 13.97 1.3 1.3 M12649 M12610 37000 37500 8000 11000 6.4 0.28 2.2 1.2 0.11 0.059 M12649 M12610
22 45.237 15.494 16.637 12.065 1.27 1.27 H-LM12749 H-LM12710 35710 34600 7400 10000 5.5 0.31 1.96 1.08 0.078 0.038 H-LM12749 H-LM12710
22 45.237 15.494 16.637 12.065 1.3 1.3 LM12749 LM12710 28700 33000 8500 11000 5.4 0.31 2 1.1 0.079 0.039 LM12749 LM12710
22 45.975 15.494 16.637 12.065 1.27 1.27 H-LM12749 H-LM12711 35710 34600 7400 10000 5.5 0.31 1.96 1.08 0.078 0.043 H-LM12749 H-LM12711
22.225 50.005 13.495 14.26 9.525 1.3 1 07087 5716 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.095 0.035 07087 5716
22.225 50.005 17.526 18.288 13.97 1.3 1.3 M12648 M12610 37000 37500 8000 11000 6.4 0.28 2.2 1.2 0.107 0.059 M12648 M12610
22.225 51.994 15.011 14.26 12.7 1.3 1.3 07087 07204 26000 27700 7500 10000 4.4 0.4 1.5 0.82 0.094 0.06 07087 07204
22.225 52.388 19.368 20.168 14.288 1.5 1.5 1380 1328 42500 47500 7500 10000 7.6 0.29 2.1 1.1 0.13 0.067 1380 1328
22.225 52.388 19.368 20.168 14.288 1.6 1.6 H-1380 H-1328 36700 37900 6700 9400 7.7 0.29 2.05 1.13 0.131 0.068 H-1380 H-1328
22.225 57.15 22.225 22.225 17.463 0.8 1.6 H-1280 H-1220 52600 55700 6300 8900 7.9 0.35 1.73 0.95 0.188 0.107 H-1280 H-1220
23.812 56.896 19.368 19.837 15.875 0.8 1.3 1779 1729 40500 44000 7100 9500 6.8 0.31 2 1.1 0.143 0.1 1779 1729
24.981 50.005 13.495 14.26 9.525 1.5 1 07098 5716 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.085 0.035 07098 5716
24.981 51.994 15.011 14.26 12.7 1.5 1.3 07098 07204 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.085 0.06 07098 07204
25 50.005 13.495 14.26 9.525 1.5 1 07097 5716 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.096 0.035 07097 5716
25 51.994 15.011 14.26 12.7 1.5 1.3 07097 07204 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.096 0.06 07097 07204
25.4 50.005 13.495 14.26 9.525 1 1 5710 5716 26000 27700 7500 10000 2.9 0.4 1.5 0.82 0.08 0.035 5710 5716
25.4 50.292 14.224 14.732 10.668 1.2 1.2 H-L44643 H-L44610 31200 37000 6500 9100 3.2 0.37 1.6 0.88 0.092 0.04 H-L44643 H-L44610
25.4 50.292 14.224 14.732 10.668 1.3 1.3 L44643 L44610 28500 34000 7300 10000 3.3 0.37 1.6 0.88 0.085 0.038 L44643 L44610
25.4 51.994 15.011 14.26 12.7 1 1.3 5710 07204 26000 27700 7500 10000 4.4 0.4 1.5 0.82 0.08 0.06 5710 07204
25.4 62 19.05 20.638 14.288 0.8 1.3 15101 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.215 0.08 15101 15245
25.4 62 19.05 20.638 14.288 3.5 1.3 15100 15245 45000 54500 6000 8000 4.3 0.35 1.7 0.94 0.215 0.08 15100 15245
25.4 63.5 20.638 20.638 15.875 0.8 1.3 15101 15250 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.215 0.114 15101 15250
25.4 63.5 20.638 20.638 15.875 0.8 1.5 15101 15250X 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.215 0.114 15101 15250X
25.4 63.5 19.05 20.638 15.875 3.5 1.3 15100 15250 45000 54500 6000 8000 4.3 0.35 1.7 0.94 0.215 0.114 15100 15250
25.4 63.5 20.638 20.638 15.875 3.5 1.5 15100 15250X 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.215 0.114 15100 15250X
25.4 65.088 22.225 21.463 15.875 1.5 1.5 23100 23256 43000 45000 5600 8000 2.2 0.73 0.82 0.45 0.21 0.143 23100 23256
26.988 50.292 14.224 14.732 10.668 3.5 1.3 L44649 L44610 28500 34000 7300 10000 3.3 0.37 1.6 0.88 0.08 0.038 L44649 L44610
26.988 51.15 17.462 17.462 13.495 3.5 1.5 15580 15520 42500 49000 6700 9000 2.8 0.35 1.7 0.94 0.135 0.07 15580 15520
26.988 62 19.05 20.638 14.288 0.8 1.3 15106 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.205 0.08 15106 15245
28.575 57.15 19.845 19.355 15.875 3.6 1.6 H-1988 H-1922 48800 57100 5800 8200 5.9 0.33 1.82 1 0.151 0.077 H-1988 H-1922
28.575 68.263 22.225 22.225 17.463 0.8 1.6 H-57174 H-57120 51000 61100 5000 7000 5.1 0.42 1.44 0.79 0.251 0.153 H-57174 H-57120
28.575 73.571 22.225 22.225 17.462 0.8 3.3 57172 57120 55000 65500 5200 7000 3.8 0.45 1.3 0.73 0.313 0.158 57172 57120
28.575 73.571 22.225 22.225 17.463 0.8 3.2 H-57172 H-57120 55000 65700 4600 6500 3.7 0.45 1.32 0.73 0.317 0.163 H-57172 H-57120
29.985 62 16.002 16.566 14.288 1.5 1.5 17118 17244 35000 36000 6300 8500 3.5 0.38 1.6 0.86 0.137 0.09 17118 17244
30 62 19.05 20.638 14.288 1.3 1.3 15117 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.18 0.08 15117 15245
30 63.5 20.638 20.638 15.875 1.3 1.3 15117 15250 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.18 0.114 15117 15250
30 63.5 20.638 20.638 15.875 1.3 1.5 15117 15250X 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.18 0.114 15117 15250X
30 72.085 22.385 19.202 18.415 0.8 2.4 H-14118 H-14283 46100 55000 4900 6900 4.4 0.38 1.57 0.86 0.238 0.198 H-14118 H-14283
30.162 64.292 21.433 21.433 16.67 1.5 1.5 M86649 M86610 55000 72500 6000 8000 3.3 0.55 1.1 0.6 0.21 0.125 M86649 M86610
30.163 64.292 21.433 21.433 16.67 1.57 1.57 H-M86649 H-M86610 55200 70700 5300 7500 3.4 0.55 1.1 0.6 0.213 0.128 H-M86649 H-M86610
30.213 62 19.05 20.638 14.288 0.8 1.3 15120 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.183 0.08 15120 15245
30.213 62 19.05 20.638 14.288 3.5 1.3 15118 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.178 0.08 15118 15245
30.213 63.5 20.638 20.638 15.875 0.8 1.3 15120 15250X 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.183 0.114 15120 15250X
30.213 63.5 20.638 20.638 15.875 0.8 1.5 15120 15250 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.183 0.114 15120 15250
30.213 63.5 20.638 20.638 15.875 3.5 1.3 15118 15250X 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.178 0.114 15118 15250X
30.213 63.5 20.638 20.638 15.875 3.5 1.5 15118 15250 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.178 0.114 15118 15250
31.75 59.131 15.875 16.764 11.811 999 1.3 LM67048 LM67571 36500 43500 6000 8500 2.9 0.41 1.5 0.8 0.12 0.062 LM67048 LM67571
31.75 61.999 18.161 19.05 14.288 999 1.2 H-15123 H-15245 44600 50700 5400 7500 4.8 0.35 1.71 0.94 0.157 0.082 H-15123 H-15245
31.75 62 18.161 19.05 14.288 999 1.3 15123 15245 43500 51500 6000 8000 5 0.35 1.7 0.94 0.155 0.08 15123 15245
31.75 62 19.05 20.638 14.288 0.8 1.3 15126 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.167 0.08 15126 15245
31.75 62 19.05 20.638 14.288 3.5 1.3 15125 15245 45000 54500 6000 8000 5.8 0.35 1.7 0.94 0.165 0.08 15125 15245
31.75 63.5 20.638 19.05 15.875 999 1.3 15123 15250 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.155 0.114 15123 15250
31.75 63.5 20.638 19.05 15.875 999 1.5 15123 15250X 45000 54500 6000 8000 7.4 0.35 1.7 0.94 0.155 0.114 15123 15250X
31.75 63.5 20.638 20.638 15.875 0.8 1.3 15126 15250 45000 54500 6000 8000 7.3 0.35 1.7 0.94 0.167 0.114 15126 15250
31.75 63.5 20.638 20.638 15.875 0.8 1.5 15126 15250X 45000 54500 6000 8000 7.3 0.35 1.7 0.94 0.167 0.114 15126 15250X
31.75 63.5 20.638 20.638 15.875 3.5 1.3 15125 15250 45000 54500 6000 8000 7.3 0.35 1.7 0.94 0.165 0.114 15125 15250
31.75 63.5 20.638 20.638 15.875 3.5 1.5 15125 15250X 45000 54500 6000 8000 7.3 0.35 1.7 0.94 0.165 0.114 15125 15250X
31.75 66.421 25.4 25.357 20.638 0.8 3.2 H-2580 H-2520 71400 85100 5000 7000 9.4 0.27 2.19 1.21 0.279 0.128 H-2580 H-2520
31.75 68.263 22.225 22.225 17.463 3.6 1.6 H-57175 H-57120 51000 61100 5000 7000 5.1 0.42 1.44 0.79 0.223 0.153 H-57175 H-57120
31.75 69.012 19.845 19.583 15.875 3.5 1.3 14125A 14276 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.22 0.135 14125A 14276
31.75 69.012 19.845 19.583 15.875 3.5 3.3 14125A 14274 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.22 0.13 14125A 14274
31.75 69.85 23.812 25.357 19.05 0.8 1.3 2580 2523 70000 84000 5600 7500 8.6 0.27 2.2 1.2 0.29 0.165 2580 2523
31.75 69.85 23.813 25.357 19.05 0.8 1.2 H-2580 H-2523 71400 85100 5000 7000 9.4 0.27 2.19 1.21 0.282 0.169 H-2580 H-2523
33.338 68.262 22.225 22.225 17.462 0.8 1.5 M88048 M88571 56500 71500 5600 7500 2.8 0.55 1.1 0.6 0.23 0.09 M88048 M88571
33.338 68.263 22.225 22.225 17.463 0.8 1.6 H-M88048 H-M88571 56100 71100 5000 7000 3 0.55 1.1 0.6 0.234 0.147 H-M88048 H-M88571
33.338 69.012 19.845 19.583 15.875 0.8 1.2 H-14131 H-14276 46100 55000 4900 6900 4.4 0.38 1.57 0.86 0.201 0.136 H-14131 H-14276
33.338 69.012 19.845 19.583 15.875 3.5 1.3 14130 14276 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.21 0.135 14130 14276
33.338 69.012 19.845 19.583 15.875 3.5 3.3 14130 14274 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.21 0.13 14130 14274
34.925 65.088 18.034 18.288 13.97 999 1.3 LM48548 LM48510 48500 59000 5600 7500 3.7 0.38 1.6 0.88 0.16 0.085 LM48548 LM48510
34.925 69.012 19.845 19.583 15.875 1.5 1.3 14137A 14276 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.19 0.135 14137A 14276
34.925 69.012 19.845 19.583 15.875 1.5 3.3 14137A 14274 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.19 0.13 14137A 14274
34.925 69.012 19.845 19.583 15.875 3.5 1.3 14138A 14276 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.189 0.135 14138A 14276
34.925 69.012 19.845 19.583 15.875 3.5 3.3 14138A 14274 44500 55000 5500 7500 4.3 0.38 1.6 0.87 0.189 0.13 14138A 14274
34.925 69.012 19.845 19.583 15.875 3.6 1.2 H-14138A H-14276 46100 55000 4900 6900 4.4 0.38 1.57 0.86 0.185 0.136 H-14138A H-14276
34.925 72.233 25.4 25.4 19.842 2.4 2.4 H-HM88649 H-HM88610 66900 87400 4700 6600 4.7 0.55 1.1 0.6 0.305 0.189 H-HM88649 H-HM88610
34.925 73.571 23.812 24.608 19.05 1.5 0.8 25877 25821 73000 88500 5200 7100 8.1 0.29 2.1 1.1 0.31 0.165 25877 25821
34.925 73.571 23.813 24.608 19.05 1.6 0.8 H-25877R H-25821 72200 87300 4600 6500 8.2 0.29 2.07 1.14 0.309 0.167 H-25877R H-25821
34.925 76.2 29.37 28.575 23.812 1.5 3.3 31594 31520 80000 96000 5000 6800 7.7 0.4 1.5 0.82 0.4 0.23 31594 31520
34.925 76.2 29.37 28.575 23.813 3.6 3.3 H-31593 H-31520 80900 97400 4500 6300 7.8 0.4 1.49 0.82 0.383 0.238 H-31593 H-31520
34.925 80.167 29.37 30.391 23.813 3.6 3.2 3379 3320 91000 106000 4200 5900 10.7 0.27 2.2 1.21 0.503 0.22 3379 3320
34.987 59.131 15.875 16.764 11.938 999 1.27 H-L68149 H-L68110 35700 48500 5300 7500 2.7 0.42 1.44 0.79 0.112 0.057 H-L68149 H-L68110
34.987 59.975 15.875 16.764 11.938 999 1.27 H-L68149 H-L68111 35700 48500 5300 7500 2.7 0.42 1.44 0.79 0.112 0.064 H-L68149 H-L68111
35 59.131 15.875 16.764 11.938 999 1.3 L68149 L68110 34000 46000 6000 8000 2.5 0.42 1.4 0.79 0.11 0.055 L68149 L68110
36.487 73.571 23.812 24.608 19.05 1.5 0.8 25880 25821 73000 88500 5200 7100 8.1 0.29 2.1 1.1 0.3 0.165 25880 25821
36.512 69.012 19.05 19.05 15.083 3.5 0.8 13682 13620 47000 60000 5300 7100 3 0.4 1.5 0.82 0.19 0.105 13682 13620
36.512 76.2 29.37 28.575 23.02 3.5 3.3 HM89449 HM89410 79500 108000 5000 6800 5.6 0.55 1.1 0.6 0.37 0.25 HM89449 HM89410
36.512 85.725 30.162 30.162 23.813 0.8 3.3 3878 3820 91000 115000 4300 6000 8.2 0.4 1.5 0.82 0.525 0.28 3878 3820
36.513 93.663 31.75 31.75 26.195 1.6 3.2 46143 46368 105000 134000 3600 5100 7.7 0.4 1.49 0.82 0.728 0.412 46143 46368
38 63 17 17 13.5 3.56 1.27 H-JL69349 H-JL69310 43500 58200 5000 7000 2.4 0.42 1.44 0.79 0.128 0.072 H-JL69349 H-JL69310
38.1 63.5 12.7 11.908 9.525 1.5 0.8 13889 13830 27200 34000 5400 7300 0.8 0.35 1.7 0.95 0.108 0.045 13889 13830
38.1 65.088 18.034 18.288 13.97 2.3 1.3 LM29749 LM29710 45000 60000 5400 7500 4.2 0.33 1.8 0.99 0.155 0.08 LM29749 LM29710
38.1 65.088 18.034 18.288 13.97 2.36 1.17 H-LM29749 H-LM29710 42900 56500 4900 6800 4.3 0.33 1.8 0.99 0.158 0.08 H-LM29749 H-LM29710
38.1 65.088 18.034 18.288 13.97 999 1.17 H-LM29748 H-LM29710 42900 56500 4900 6800 4.3 0.33 1.8 0.99 0.154 0.08 H-LM29748 H-LM29710
38.1 69.012 19.05 19.05 15.083 3.5 2.3 13685 13621 47000 60000 5300 7100 3 0.4 1.5 0.82 0.185 0.103 13685 13621
38.1 76.2 23.812 25.654 19.05 3.5 0.8 2788 2729 68000 81000 5000 6700 8 0.3 2 1.1 0.31 0.187 2788 2729
38.1 76.2 23.812 25.654 19.05 3.5 3.3 2788 2720 68000 81000 5000 6700 8 0.3 2 1.1 0.31 0.185 2788 2720
38.1 76.2 23.813 25.654 19.05 3.6 3.2 H-2788R H-2720 74100 92200 4500 6300 8.1 0.3 1.98 1.09 0.305 0.19 H-2788R H-2720
38.1 79.375 23.813 25.4 19.05 0.8 0.8 H-26878R. H-26822. 81100 105000 4200 5900 7.5 0.32 1.88 1.04 0.397 0.185 H-26878R. H-26822.
38.1 79.375 29.37 29.771 23.813 3.6 3.2 3490 3420 87400 105000 4300 6100 8.6 0.37 1.64 0.9 0.415 0.262 3490 3420
38.1 80.167 29.37 30.391 23.812 3.5 3.3 3381 3320 86000 106000 4800 6400 18.5 0.27 2.19 1.2 0.445 0.215 3381 3320
38.1 88.501 26.988 29.083 22.225 3.6 1.6 418 414 98100 112000 4000 5700 10.1 0.26 2.28 1.25 0.522 0.329 418 414
39.688 73.571 23.812 25.654 19.05 3.5 0.8 2789 2735X 68000 81000 5000 6700 8 0.3 2 1.1 0.29 0.17 2789 2735X
39.688 73.571 25.654 22.098 21.336 0.8 2.3 M257147 M257111 63000 81000 5000 6700 5.9 0.33 1.8 0.99 0.255 0.183 M257147 M257111
39.688 76.2 23.813 25.654 19.05 3.6 3.2 H-2789R H-2720 74100 92200 4500 6300 8.1 0.3 1.98 1.09 0.285 0.19 H-2789R H-2720
40.987 67.975 17.5 18 13.5 999 1.6 H-LM300849 H-LM300811 44000 59500 4600 6500 3.6 0.35 1.72 0.95 0.157 0.082 H-LM300849 H-LM300811
41.275 73.571 16.667 17.462 12.7 3.5 1.5 18590 18520 46500 57000 4800 6700 2.8 0.35 1.7 0.94 0.208 0.084 18590 18520
41.275 73.571 16.667 17.463 12.7 3.6 1.6 H-18590 H-18520 45900 55800 4300 6100 2.2 0.35 1.71 0.94 0.198 0.087 H-18590 H-18520
41.275 73.431 19.558 19.812 14.732 3.5 0.8 LM501349 LM501310 55500 69000 4900 6700 3.4 0.4 1.5 0.83 0.22 0.108 LM501349 LM501310
41.275 73.431 19.558 19.812 14.732 3.6 0.8 H-LM501349 H-LM501310 57800 73000 4400 6100 3.5 0.4 1.5 0.83 0.226 0.109 H-LM501349 H-LM501310
41.275 73.431 21.43 19.812 16.604 3.6 0.8 H-LM501349 H-LM501314 57800 73000 4400 6100 3.5 0.4 1.5 0.83 0.226 0.129 H-LM501349 H-LM501314
41.275 76.2 18.009 17.384 14.288 1.6 1.6 11162R 11300 51600 63300 4300 6000 0.5 0.49 1.23 0.68 0.219 0.13 11162R 11300
41.275 76.2 22.225 23.02 17.462 3.5 0.8 24780 24720 63500 78500 4800 6600 1.6 0.39 1.5 0.84 0.275 0.189 24780 24720
41.275 76.2 25.4 23.02 20.638 3.6 2.4 24780R 24721 66300 83300 4000 5600 4.8 0.39 1.53 0.84 0.271 0.191 24780R 24721
41.275 79.375 23.812 25.4 19.05 3.5 0.8 26882 26822 75000 94500 4700 6300 7.5 0.32 1.9 1 0.34 0.185 26882 26822
41.275 80.167 25.4 25.4 20.638 3.6 3.2 H-26882R. H-26820. 81100 105000 4200 5900 7.5 0.32 1.88 1.04 0.35 0.223 H-26882R. H-26820.
41.275 80.167 29.37 30.391 23.813 0.8 3.2 3384 3320 91000 106000 4200 5900 10.7 0.27 2.2 1.21 0.416 0.22 3384 3320
41.275 87.313 30.163 30.886 23.813 1.6 3.2 3585R 3525 95800 120000 3900 5400 9.7 0.31 1.96 1.08 0.527 0.308 3585R 3525
41.275 90.488 39.688 40.386 33.338 3.6 3.2 4388 4335 132000 169000 3800 5300 14.1 0.28 2.11 1.16 0.767 0.463 4388 4335
42.863 87.313 30.163 30.886 23.813 3.6 3.2 3579R 3525 95800 120000 3900 5400 9.7 0.31 1.96 1.08 0.499 0.308 3579R 3525
42.875 80 21 22.403 17.826 3.5 1.3 342S 332 69000 76000 4500 6300 6.2 0.27 2.2 1.2 0.295 0.145 342S 332
42.875 82.931 23.812 25.4 19.05 3.5 0.8 25577 25520 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.38 0.2 25577 25520
42.875 82.931 26.988 25.4 22.225 3.5 2.3 25577 25523 78500 98000 4500 6000 9.4 0.33 1.8 0.99 0.38 0.245 25577 25523
42.875 82.931 26.988 25.4 22.225 3.6 2.4 H-25577 H-25523 77300 100000 4000 5500 6.3 0.33 1.79 0.99 0.379 0.251 H-25577 H-25523
42.875 83.058 23.812 25.4 19.05 3.5 3.3 25577 25521 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.38 0.199 25577 25521
44.45 82.931 23.812 25.4 19.05 3.5 0.8 25580 25520 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.355 0.2 25580 25520
44.45 82.931 23.813 25.4 19.05 3.6 0.8 H-25580 H-25520 77300 100000 4000 5500 6.3 0.33 1.79 0.99 0.361 0.202 H-25580 H-25520
44.45 82.931 26.988 25.4 22.225 3.5 2.3 25580 25523 78500 98000 4500 6000 9.4 0.33 1.8 0.99 0.355 0.245 25580 25523
44.45 83.058 23.812 25.4 19.05 3.5 3.3 25580 25521 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.355 0.199 25580 25521
44.45 87.312 30.162 30.886 23.812 3.5 3.3 3578 3525 90000 110000 4300 6000 10.2 0.31 2 1.1 0.476 0.305 3578 3525
44.45 87.313 30.163 30.886 23.813 3.6 3.2 3578R 3525 95800 120000 3900 5400 9.7 0.31 1.96 1.08 0.473 0.308 3578R 3525
44.45 88.9 30.163 29.37 23.02 3.6 3.3 HM85719 HM85710 99600 125000 3800 5400 4.1 0.55 1.1 0.6 0.517 0.326 HM85719 HM85710
44.45 90.119 23 21.926 21.808 3.6 2.4 355X 352 71800 81700 3800 5400 5.1 0.31 1.96 1.08 0.336 0.325 355X 352
44.45 92.075 30.163 29.37 23.02 3.6 3.2 HM85719 HM85712 99600 125000 3800 5400 4.1 0.55 1.1 0.6 0.517 0.407 HM85719 HM85712
44.45 93.264 30.163 30.302 23.813 3.6 3.2 3782 3720 103000 137000 3500 4900 8 0.34 1.77 0.97 0.651 0.296 3782 3720
44.45 95.25 30.958 28.575 22.225 3.6 0.8 HM903249 HM903210 99700 120000 3700 5100 0.1 0.74 0.81 0.45 0.609 0.389 HM903249 HM903210
44.45 95.25 30.958 28.301 20.638 1.2 0.8 53176 53375 88700 98400 3700 5200 1 0.74 0.81 0.45 0.557 0.367 53176 53375
44.45 112.713 30.163 26.909 20.638 3.5 3.3 55175 55443 92000 108000 3100 4300 -7.1 0.88 0.68 0.37 0.82 0.5 55175 55443
44.45 114.3 44.45 44.45 34.925 3.6 3.2 65385 65320 189000 230000 3100 4400 12.5 0.43 1.39 0.77 1.466 0.884 65385 65320
44.983 93.264 30.163 30.302 23.813 3.6 3.2 3776 3720 103000 137000 3500 4900 8 0.34 1.77 0.97 0.642 0.296 3776 3720
45.242 73.431 19.558 19.812 15.748 3.5 0.8 LM157149 LM157110 55500 78000 4700 6400 4.7 0.31 2 1.1 0.208 0.1 LM157149 LM157110
45.242 73.431 19.558 19.812 15.748 3.6 0.8 H-LM157149 H-LM157110 55600 78100 4200 5900 4.9 0.31 1.97 1.08 0.207 0.101 H-LM157149 H-LM157110
45.242 77.788 19.842 19.842 15.08 3.6 0.8 LM603049 LM6571 57100 73500 4100 5700 2.3 0.43 1.41 0.77 0.242 0.122 LM603049 LM6571
45.242 77.788 21.43 19.842 16.667 3.6 0.8 LM603049 LM603012 57100 73500 4100 5700 2.3 0.43 1.41 0.77 0.241 0.141 LM603049 LM603012
45.618 82.931 23.812 25.4 19.05 3.5 0.8 25590 25520 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.34 0.2 25590 25520
45.618 82.931 23.813 25.4 19.05 3.6 0.8 H-25590 H-25520 77300 100000 4000 5500 6.3 0.33 1.79 0.99 0.345 0.202 H-25590 H-25520
45.618 82.931 26.988 25.4 22.225 3.5 2.3 25590 25523 78500 98000 4500 6000 6.2 0.33 1.8 0.99 0.34 0.245 25590 25523
45.618 82.931 26.988 25.4 22.225 3.6 2.4 H-25590 H-25523 77300 100000 4000 5500 6.3 0.33 1.79 0.99 0.341 0.251 H-25590 H-25523
46.038 79.375 17.463 17.463 13.495 2.8 1.6 H-25590 18620 47100 59100 4000 5600 1.5 0.37 1.6 0.88 0.206 0.126 H-25590 18620
46.038 85 20.638 21.692 17.462 2.3 1.3 359S 354A 69000 78000 4300 6000 4.9 0.31 2 1.1 0.33 0.16 359S 354A
47.625 93.264 30.163 30.302 23.813 3.6 3.2 3779 3720 103000 137000 3500 4900 8 0.34 1.77 0.97 0.596 0.296 3779 3720
47.625 101.6 34.925 36.068 26.988 3.5 3.3 528 522 139000 171000 3700 5000 12.7 0.29 2.1 1.2 0.89 0.41 528 522
47.625 107.95 36.513 36.957 28.575 3.6 3.2 536 532X 138000 172000 3200 4400 12.3 0.3 2.02 1.11 1.03 0.583 536 532X
47.625 111.125 30.162 26.909 20.638 3.5 3.3 55187 55437 92000 108000 3100 4300 -7.1 0.88 0.68 0.37 0.825 0.51 55187 55437
49.212 93.264 30.162 30.302 23.812 3.5 0.8 3781 3730 157100 134000 3800 5300 8.4 0.34 1.8 0.97 0.65 0.295 3781 3730
49.212 103.188 43.658 44.475 36.512 3.5 3.3 5395 5335 177000 245000 3700 5000 27.3 0.3 2 1.11 1.13 0.64 5395 5335
49.212 114.3 44.45 44.45 36.068 3.5 3.3 HH506348 HH5 0571 0 199000 243000 3500 4700 31.2 0.4 1.5 0.82 1.7 0.85 HH506348 HH5 0571 0
50 82 21.5 21.5 17 3 0.5 H-JLM104948 H-JLM104910 71700 97900 3800 5300 5.3 0.31 1.97 1.08 0.305 0.129 H-JLM104948 H-JLM104910
50.8 82 21.976 22.225 17 3.6 0.5 H-LM104949 H-JLM104910 61200 84300 3700 5200 5.2 0.31 1.97 1.08 0.288 0.129 H-LM104949 H-JLM104910
50.8 82.55 21.59 22.225 16.51 3.5 1.3 LM104949 LM104911 71000 96000 4300 5700 3.9 0.31 2 1.1 0.285 0.15 LM104949 LM104911
50.8 82.55 21.59 22.225 16.51 3.6 1.2 H-LM104949 H-LM104911 61200 84300 3700 5200 5.2 0.31 1.97 1.08 0.287 0.133 H-LM104949 H-LM104911
50.8 82.931 21.59 22.225 16.51 3.6 1.2 H-LM104949 H-LM104912 61200 84300 3700 5200 5.2 0.31 1.97 1.08 0.287 0.14 H-LM104949 H-LM104912
50.8 85 17.462 17.462 13.495 3.5 1.5 18790 18720 44000 58500 4000 5600 0.7 0.41 1.5 0.81 0.235 0.134 18790 18720
50.8 88.9 17.462 17.462 13.495 3.5 1.3 18790 18724 44000 58500 4000 5600 0.7 0.41 1.5 0.81 0.235 0.134 18790 18724
50.8 88.9 20.638 22.225 16.513 1.5 1.3 368 362A 74500 89000 4000 5600 4.2 0.32 1.9 1 0.345 0.165 368 362A
50.8 88.9 20.638 22.225 16.513 3.6 1.3 368A 362A 74300 87300 3700 5200 4.6 0.32 1.88 1.03 0.329 0.166 368A 362A
50.8 92.075 24.608 25.4 19.845 3.6 0.8 28580R.L 28521.L 84800 119000 3500 4900 4.7 0.38 1.59 0.88 0.455 0.247 28580R.L 28521.L
50.8 93.264 30.162 30.302 23.812 3.5 0.8 3780 3730 157100 134000 3800 5300 8.2 0.34 1.8 0.97 0.558 0.295 3780 3730
50.8 93.264 30.163 30.302 23.813 3.6 3.2 3780 3720 103000 137000 3500 4900 8 0.34 1.77 0.97 0.539 0.296 3780 3720
50.8 101.6 31.75 31.75 25.4 3.5 3.3 49585 49520 107000 128000 3600 5000 7.1 0.4 1.5 0.82 0.75 0.385 49585 49520
50.8 101.6 34.925 36.068 26.988 0.8 3.3 529 522 139000 169000 3700 5000 12.7 0.29 2.1 1.2 0.83 0.41 529 522
50.8 104.775 30.162 30.958 23.812 6.4 3.3 45284 45220 131000 171000 3500 4700 7.9 0.33 1.8 0.99 0.825 0.41 45284 45220
50.8 104.775 36.512 36.512 28.575 3.5 3.3 HM807046 HM85711 147000 257100 3500 4800 7.4 0.49 1.2 0.68 0.97 0.5 HM807046 HM85711
50.8 107.95 36.512 36.957 28.575 3.5 3.3 537 532X 139000 173000 3600 4800 11.7 0.3 2.02 1.1 0.97 0.57 537 532X
50.8 111.125 30.162 26.909 20.638 3.5 3.3 55200 55437 92000 108000 3100 4300 -7.1 0.88 0.68 0.37 0.77 0.51 55200 55437
50.8 122.238 38.1 36.678 30.162 2.3 3.3 555 553X 149000 197000 3000 4100 9.4 0.35 1.73 0.95 1.5 0.69 555 553X
50.8 123.825 36.512 32.791 25.4 3.5 3.3 72200 72487 135000 148000 2900 4100 -1.3 0.74 0.81 0.45 1.24 0.785 72200 72487
50.8 127 44.45 44.45 34.925 3.5 3.3 65200 65500 198000 258000 3100 4300 9.4 0.49 1.2 0.68 1.87 1.03 65200 65500
52.388 92.075 24.608 25.4 19.845 3.6 0.8 28584R. 28521 84800 119000 3500 4900 4.7 0.38 1.59 0.87 0.43 0.247 28584R. 28521
53.975 96.838 21.001 21.946 15.875 1.6 0.8 389AS 382A 80400 157100 3300 4600 3.6 0.35 1.69 0.93 0.475 0.179 389AS 382A
53.975 98.425 21 21.946 17.826 0.8 0.8 389A 382 74500 91500 3600 5000 3 0.35 1.7 0.93 0.38 0.225 389A 382
53.975 104.775 30.162 29.317 24.605 3.5 3.3 456 453X 116000 150000 3400 4800 7 0.34 1.8 0.98 0.74 0.375 456 453X
53.975 104.775 36.512 36.512 28.575 3.5 3.3 HM807049 HM85711 147000 257100 3500 4800 7.4 0.49 1.2 0.68 0.89 0.5 HM807049 HM85711
53.975 112.712 30.162 30.163 23.812 3.5 3.3 39578 39520 126000 168000 3100 4300 6.6 0.34 1.8 0.97 0.9 0.36 39578 39520
53.975 120.65 41.275 41.275 31.75 3.5 3.3 621 612 163000 198000 3300 4400 26.9 0.31 1.91 1.05 1.49 0.735 621 612
53.975 123.825 38.1 36.678 30.162 3.5 3.3 557S 552A 149000 197000 3000 4100 9.2 0.35 1.73 0.95 1.5 0.75 557S 552A
53.975 127 44.45 44.45 34.925 3.5 3.3 65212 65500 198000 258000 3100 4300 9.4 0.49 1.2 0.68 1.8 1.03 65212 65500
53.975 127 50.8 52.388 41.275 3.5 3.3 6280 6220 241000 300000 3100 4300 19.5 0.3 2 1.1 2.06 1.25 6280 6220
55 90 23 23 18.5 1.5 0.5 JLM506849E JLM506810E 81400 115000 3500 4900 2.9 0.4 1.49 0.82 0.377 0.184 JLM506849E JLM506810E
55.562 122.238 43.658 43.764 36.512 1.3 3.3 5566 5535 178000 263000 3000 4000 12.1 0.36 1.7 0.92 1.76 0.811 5566 5535
55.563 97.63 24.608 24.608 19.446 3.6 0.8 28680 28622 89600 131000 3300 4600 3.4 0.4 1.49 0.82 0.49 0.27 28680 28622
57.15 96.838 21.001 21.946 15.875 3.6 0.8 387A 382A 80400 157100 4200 5900 3.6 0.35 1.69 0.93 0.425 0.179 387A 382A
57.15 97.63 24.608 24.608 19.446 3.6 0.8 28682 28622 89600 131000 3300 4600 3.4 0.4 1.49 0.82 0.463 0.27 28682 28622
57.15 104.775 30.163 29.317 24.605 2.4 3.2 462 453X 109000 144000 3100 4300 6.6 0.34 1.79 0.98 0.678 0.382 462 453X
57.15 104.775 30.162 30.958 23.812 2.3 0.8 45290 45221 131000 171000 3500 4700 8 0.33 1.8 0.99 0.765 0.35 45290 45221
57.15 104.775 30.163 29.317 24.605 3.6 3.2 469 453X 109000 144000 3100 4300 6.6 0.34 1.79 0.98 0.678 0.382 469 453X
57.15 110 21.999 21.996 18.824 2.4 1.2 390 394A 86400 116000 2800 4000 0.7 0.4 1.49 0.82 0.677 0.262 390 394A
57.15 112.712 30.162 30.048 23.812 3.5 3.3 3979 3920 118000 172000 3200 4300 4.6 0.4 1.5 0.82 0.94 0.46 3979 3920
57.15 112.713 30.163 30.163 23.813 7.9 3.2 39581 39520 147000 207000 2800 3900 6.9 0.34 1.77 0.97 1.03 0.363 39581 39520
57.15 117.475 30.162 30.162 23.812 3.5 3.3 33225 33462 112000 168000 3000 4000 2.4 0.44 1.4 0.76 1.05 0.44 33225 33462
57.15 117.475 33.338 31.75 23.812 3.5 3.3 66225 66462 118000 132000 3100 4100 -0.1 0.63 0.95 0.52 0.97 0.54 66225 66462
57.15 122.238 38.1 36.678 30.162 3.5 3.3 555S 553X 149000 197000 3000 4100 9.4 0.35 1.7 0.95 1.45 0.69 555S 553X
57.15 127 44.45 44.45 34.925 3.5 3.3 65225 65500 198000 258000 3100 4200 9.3 0.49 1.2 0.68 1.75 1.03 65225 65500
57.15 136.525 41.275 41.275 31.75 3.5 3.3 635 632 183000 246000 2800 3800 11.2 0.36 1.7 0.91 2.02 1.01 635 632
57.15 149.225 53.975 54.229 44.45 3.5 3.3 6455 6420 284000 410000 2500 3400 15.1 0.36 1.7 0.91 3.45 1.65 6455 6420
58.738 112.712 30.162 30.048 23.812 3.5 3.3 3981 3920 118000 172000 3200 4300 4.5 0.4 1.5 0.82 0.89 0.46 3981 3920
58.738 127 44.45 44.45 34.925 3.5 3.3 65231 65500 198000 258000 3100 4200 9.3 0.49 1.2 0.68 1.71 1.03 65231 65500
59.987 134.983 33.449 30.925 21.948 3.6 3.6 HM911244R HM911216 153000 181000 2600 3700 -7.1 0.82 0.73 0.4 1.35 0.823 HM911244R HM911216
60.325 100 25.4 25.4 19.845 3.6 3.2 28985 28921 91400 137000 3100 4300 2.6 0.43 1.41 0.78 0.527 0.237 28985 28921
60.325 101.6 25.4 25.4 19.845 3.6 3.2 28985 28920 91400 137000 3100 4300 2.6 0.43 1.41 0.78 0.526 0.276 28985 28920
60.325 112.713 30.162 30.048 23.812 3.5 0.8 3980 3925 118000 172000 3200 4300 4.5 0.4 1.5 0.82 0.9 0.45 3980 3925
60.325 122.238 38.1 38.354 29.718 8 1.5 HM212044 HM212571 187000 243000 3000 4100 10.9 0.34 1.8 0.98 1.45 0.6 HM212044 HM212571

 

  NO 6. Our Bearing Factory:

NO 8. Our Bearing Warehouse:

NO 9. Our Bearing Packaging Box:

contact-info.html

Why Choose Us:

l SFNB bearing company has 14 years manufacture experience and is one of the biggest adjustment center in north of China.
 
l We have large stock of original brand and our own brand bearing.
 
l Sample is available.
 
l We can accept OEM service.
 
l SFNB Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers.  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China best CZPT CZPT Ball and Roller Bearing Lm11749/10 Tapered Roller Bearings wheel bearingChina best CZPT CZPT Ball and Roller Bearing Lm11749/10 Tapered Roller Bearings wheel bearing
editor by CX 2024-01-11

China Best Sales Single/Double Row Zz/2RS Deep Groove Ball Bearings Radial Spherical Insert Ball Bearing SA Sb Pillow Block UC Bearing Linear Bushing Tapered Roller Bearings bearing distributors

Product Description

 

I have all the models you need, these are just some of them, please contact us now

1.FREE SAMPLES:
contact us by email or trade manager, we will send the free sampls according to your request.

2. World Class Bearing:We provide our customers with all type of indigenous bearing with world class quality.

3. OEM or Non Stand Bearings: Any requirement for Non standard bearings is Easily Fulfilled by us due to
its vast knowledge and links in the industry.

4. Genuine products With Excellent Quality: Company has always proved the
100% quality products it provides with genuine intent.

5.After Sales Service and technical Assistance: Company provides after sales service and technical assistance
as per the customers requirement and needs.

6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.

7. Cost Saving: We provide long-life, shock-resistant and high reliability bearings with
excellent quality and better performance. Resulting in increased cost saving.

 

8.Attending customer queries promptly: We believe that if customer are satisfied

then it proves our worth well. Customers are always given quick support.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 45°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Multiple
Load Direction: Radial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China Best Sales Single/Double Row Zz/2RS Deep Groove Ball Bearings Radial Spherical Insert Ball Bearing SA Sb Pillow Block UC Bearing Linear Bushing Tapered Roller Bearings bearing distributorsChina Best Sales Single/Double Row Zz/2RS Deep Groove Ball Bearings Radial Spherical Insert Ball Bearing SA Sb Pillow Block UC Bearing Linear Bushing Tapered Roller Bearings bearing distributors
editor by CX 2024-01-09

China Custom CZPT CZPT CZPT CZPT Roller Bearings Distributor 22211cc/W33 Spherical Roller Bearing Ball Bearing/Roller Bearing/Linear Bearing/ Auto Bearing with Hot selling

Product Description

SKF CZPT CZPT Roller Bearings Distributor 22324cc/W33 Spherical Roller Bearing

NO 1. our adwantages:

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, angular contact bearings, needle roller bearings, thrust ball bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available

 

NO 2. Description: Spherical roller bearing

Race: we use the most advanced technology-cold extrusion process. Besides, the race will make two or three times temper to guarantee its high precision.

Rolling element: we use the rolling technology to process the roller and the steel ball of high precision bearing, the most advantage of our technology is to promote productive and productive efficiency. At the same time, our technology can prolong the bearing working life. The hardness and the diamention stability will also promote.

Steel cage: in order to avoid avoid cracks and guarantee the hardness, we use pattern “high temperature+long time”, our cage of high precision bearing have reached advanced level in china at surface abrasion resistance and fatigue strength.
 

C(J), CC–Two window-type steel cages, flangeless inner ring and CZPT ring centred on the inner ring

EC(J), ECC(J)–Two window-type steel cages, flangeless inner ring, CZPT ring centred on the inner ring and reinforced roller complement.

CA–One-piece machined brass cage, double-pronged, retaining flanges on the inner ring and CZPT ring centred on the inner ring

CAF– As CA, but with a steel cage.

ECA, ECAC– Reinforced roller complement, one-piece machined brass cage, double-pronged, retaining flanges on the inner ring, CZPT ring centred on the inner ring.

ECAF– As ECA, but with a steel cage.

E– For bearings with a bore diameter d ≤ 65 mm: Two pressed window-type steel cages, flangeless inner ring and CZPT ring centred on the inner ring

CAFA– One-piece machined steel cage, double-pronged, centred on the outer ring raceway, retaining flanges on the inner ring and CZPT ring centred on the inner ring

Features:

  • Double row spherical roller bearing for applications that support radial and oscillating axial loads
  • C4 radial clearance allows thermal expansion for continuous operating temperatures up to 200 degrees C/392 degrees F
  • Straight bore for fitting to a conventional cylindrical shaft
  • Outer ring-guided brass cage evenly spaces rollers for reduced friction, vibration, and noise
  • Open design, circumferential groove and 3 lubrication holes in the outer ring allow for lubrication in place

 

 NO 3. OEM all brand bearing

1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS

2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33

3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ

4. taper roller bearing 35710,30300,32200,32300,31300,32000

5. Aligning ball bearing 1200,1300,2200,2300,

6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN

7. thrust ball bearing 51100,51200,51300,51400,E,M

8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 

9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP

10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing

 

 NO 4. Spherical Roller  Bearing Specification: 

Seals Types 2RS,OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-15 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;
Single box+outer carton+pallets;
Tube packge+middle box+outer carton+pallets;
According to your requirement

NO 5. Spherical roller bearing Models and Size: 

Designation

Principal  Dimension

(kN)
Basic Load Ratings

(r/min)
Speed ratings

Mass

d

D

B

r
min

Dynamic

Static

Grease

Oil

kg

23032

160

240

60

2.1

376

730

1500

1900

13.5

24032CA

160

240

80

2.1

636

1164

1100

1500

12.9

24132CA

160

270

109

2.1

1571

1700

700

900

25.4

2638

190

280

67

2.5

542

978

1200

1500

13.7

23038K

190

290

75

2.1

626

1100

1200

1500

20.5

23038CA

190

290

75

2.1

765

735

1300

1700

16.9

24038CA

190

290

100

2.1

980

1000

950

1300

22.8

23144CA

220

370

120

4

1570

1520

900

1200

54.7

23144K

220

370

120

4

1330

1330

900

1200

54.8

22244

220

400

108

4

1200

2100

850

1200

57.6

23244

220

400

144

4

1800

2820

670

850

94.6

22344/W33

220

460

145

5

1700

3090

670

850

129

23948CA

240

320

60

2.1

635

710

1300

1700

14.9

23048

240

360

92

3

820

1800

900

1200

37.6

23048K/W33

240

360

92

3

820

1800

900

1200

37.4

23148

240

400

128

4

1200

2560

760

990

77.2

24148/W33

240

400

160

4

1200

3300

430

540

81.6

We can accept customized bearing service,besides,we can supply bearing with brand SKF, ZKL, NTN, NSK, KOYO, TIMKEN,NACHI, LYC, HCH, ZWZ
product-list-1.html
NO 6. Our Bearing Factory:

NO 8. Our Bearing Warehouse:


NO 9. Our Bearing Packaging Box:

Why Choose Us:
 
l HangZhou SFNB bearing company has 14 years manufacture experience and is one of the biggest adjustment center in north of China.
 
l We have large stock of original brand and our own brand bearing.
 
l Sample is available.
 
l We can accept OEM service.
 
l HangZhou SFNB Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers. 

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Inner: 55mm
Outer: 100mm
Thickness: 25mm
Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Small and Medium-Sized (60-115mm)
Customization:
Available

|

Customized Request

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China Custom CZPT CZPT CZPT CZPT Roller Bearings Distributor 22211cc/W33 Spherical Roller Bearing Ball Bearing/Roller Bearing/Linear Bearing/ Auto Bearing with Hot sellingChina Custom CZPT CZPT CZPT CZPT Roller Bearings Distributor 22211cc/W33 Spherical Roller Bearing Ball Bearing/Roller Bearing/Linear Bearing/ Auto Bearing with Hot selling
editor by CX 2024-01-09

China supplier CZPT Needle Roller Bearing Nki55/35 Nki60/25 Nki60/35 Needle Bearings deep groove ball bearing

Product Description

Product Description

Bdl Needle Roller Bearing NKI55/35 NKI60/25 NKI60/35 Needle Bearings
Needle roller bearings are roller bearings with cylindrical roller, relative to its diameter, the roller is thin and long.This type of roller is called a needle roller.Although has a small cross-section, bearing still has high load capacity, needle bearing with fine and long roller (roller diameter D 5 mm or less, acuity 2.5 L/D, L) for the roller length, so the radial structure is compact, its diameter and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting structure.

 

Product name Needle roller bearings
Material Bearing Steel
Standard DIN GB ISO JIS
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Service OEM service provided
Delivery time 3-10 days depends on quantity needed

Detailed Photos

 

 

Product Parameters

Shaft Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Limiting Speed
Fw Ew Bc Cr Cor Oil(RPM)
3 K3X5X7TN 3 5 7 1540 1290 50000
K3X5X9TN 3 5 9 1710 1480 48000
K3X6X7TN 3 6 7 1430 970 47000
4 K4X7X7TN 4 7 7 2330 1840 43000
K4X7X10TN 4 7 10 2350 1920 39000
5 K5X8X8TN 5 8 8 2300 1880 37000
K5X8X10TN 5 8 10 2800 2450 37000
6 K6X9X8TN 6 9 8 2500 2240 35000
K6X9X10TN 6 9 10 3300 3100 35000
K6X10X13TN 6 10 13 3500 2800 33000
7 K7X10X8TN 7 10 8 2750 2550 32000
K7X10X10TN 7 10 10 3350 3400 32000
8 K8X11X8TN 8 11 8 3000 2900 30000
K8X11X10TN 8 11 10 3830 3950 30000
K8X11X13TN 8 11 13 5000 5700 30000
K8X12X10TN 8 12 10 4900 4600 30000
9 K9X12X10TN 9 12 10 4200 4700 30000
K9X12X13TN 9 12 13 5500 6700 30000
10 K10X13X10TN 10 13 10 4500 5250 27000
K10X13X13TN 10 13 13 6000 7600 27000
K10X13X16TN 10 13 16 6300 7800 27000
K10X14X10TN 10 14 10 7000 7900 27000
K10X14X13TN 10 14 13 8000 9100 26000
K10X16X12TN 10 16 12 7000 9300 27000
12 K12X15X9TN 12 15 9 4120 5210 25000
K12X15X10TN 12 15 10 4320 5730 25000
K12X15X13TN 12 15 13 6000 8100 25000
K12X16X8TN 12 16 8 1200 4700 25000
K12X16X10TN 12 16 10 6000 6900 25000
K12X16X13TN 12 16 13 7900 9200 25000
K12X17X13TN 12 17 13 9300 10000 24000
K12X18X12TN 12 18 12 9800 8000 24000
K12X15X20TN 12 15 20 8200 12000 25000
14 K14X17X10 14 17 10 5100 6800 23000
K14X17X17 14 17 17 9300 14000 23000
K14X18X10 14 18 10 6800 8300 23000
K14X18X13 14 18 13 8100 9800 23000
K14X18X14 14 18 14 9200 12000 23000
K14X18X15 14 18 15 10000 13000 23000
K14X18X17 14 18 17 10500 13900 23000
K14X20X12 14 20 12 9900 10500 22000
15 K15X18X14 15 18 14 7500 11000 23000
K15X18X17 15 18 17 9600 15900 23000
K15X19X10 15 19 10 7200 9000 22000
K15X19X13 15 19 13 8300 9800 22000
K15X19X17 15 19 17 10300 15000 22000
K15X19X24 ZW 15 19 24 12800 25710 22000
K15X22X13 15 22 13 9700 11000 22000
K15X22X12 15 22 12 10000 13000 22000
K15X21X15 15 21 15 13800 16000 22000
K15X21X21 15 21 21 18000 24000 22000
16 K16X20X10 16 20 10 7600 9700 22000
K16X20X13 16 20 13 8700 11300 22000
K16X20X17 16 20 17 11200 16300 22000
K16X21X10 16 21 10 9000 12000 22000
K16X22X12 16 22 12 11000 12000 21000
K16X22X13 16 22 13 12000 13400 21000
K16X22X16 16 22 16 14300 17000 21000
K16X22X20 16 22 20 18000 22300 21000
K16X23X14 16 23 14 19000 21000 19000
K16X24X20 16 24 20 21100 23000 20000
17 K17X21X10 17 21 10 7900 15710 21000
K17X21X13 17 21 13 10000 14100 21000
K17X21X17 17 21 17 12000 17400 21000
K17X23X14 17 23 14 11000 15000 21000
18 K18X22X10 18 22 10 8200 9900 20000
K18X22X13 18 22 13 9000 12100 20000
K18X22X17 18 22 17 11900 17600 20000
K18X24X12 18 24 12 11200 12900 20000
K18X24X13 18 24 13 12900 14900 20000
K18X24X13.5 18 24 13.5 12900 14900 20000
K18X24X20 18 24 20 20000 26500 20000
K18X25X14 18 25 14 16500 18800 20000
K18X25X22 18 25 22 22900 28400 20000
K18X26X14 18 26 14 18000 20000 18000
K18X28X16 18 28 16 19000 18400 19000
19 K19X23X13 19 23 13 9300 13000 20000
K19X23X17 19 23 17 12000 18600 20000
20 K20X24X10 20 24 10 8700 12100 19000
K20X24X12 20 24 12 9600 13800 19000
K20X24X13 20 24 13 9600 13800 19000
K20X24X17 20 24 17 12400 20000 19000
K20X26X12 20 26 12 13100 15700 19000
K20X26X16 20 26 16 18000 25000 18500
K20X26X17 20 26 17 18700 25500 19000
K20X26X20 20 26 20 20600 28500 19000
K20X28X20 20 28 20 23400 28000 18000
K20X28X25 20 28 25 30000 28500 18000
K20X30X30 20 30 30 35000 41000 18000
21 K21X25X13 21 25 13 9600 14500 19000
K21X25X17 21 25 17 12800 21000 19000
22 K22X26X10 22 26 10 8700 12900 18000
K22X26X13 22 26 13 10000 15400 18000
K22X26X17 22 26 17 13100 22100 18000
K22X27X13 22 27 13 14000 23000 18000
K22X28X17 22 28 17 19000 26500 18000
K22X28X23 22 28 23 20000 27000 19000
K22X29X16 22 29 16 19500 25000 17000
K22X30X15TN 22 30 15 19600 22900 17000
K22X30X20 22 30 20 21000 23500 18900
K22X32X24 22 32 24 33500 39500 16000
23 K23X35X16TN 23 35 16 24000 23400 15000
24 K24X28X10 24 28 10 9400 14300 17000
K24X28X13 24 28 13 10500 17000 17000
K24X28X17 24 28 17 14000 24500 17000
K24X29X13 24 29 13 13100 19100 16000
K24X30X17 24 30 17 19000 27000 16000
K24X30X31 24 30 31 27000 43000 16000
25 K25X29X10 25 29 10 9700 14900 16000
K25X29X13 25 29 13 10800 17900 16000
K25X29X17 25 29 17 14500 25500 16000
K25X30X13 25 30 13 14100 21300 16000
K25X30X20 25 30 20 21100 28000 16000
K25X30X25 25 30 25 21700 40400 15000
K25X30X26 25 30 26 25710 26500 15000
K25X31X17 25 31 17 19000 28000 16000
K25X31X21 25 31 21 24100 37500 16000
K25X32X16 25 32 16 20500 27500 15000
K25X33X20 25 33 20 28000 37500 15000
K25X33X24 25 33 24 33900 46500 15000
K25X34X18 25 34 18 48000 67000 15000
K25X35X30 25 35 30 46500 61500 14000
K25X30X26 ZW 25 30 26 21000 35000 14000
26 K26X30X10 26 30 10 9500 15500 16000
K26X30X13 26 30 13 11100 18700 16000
K26X30X17 26 30 17 14700 27000 16000
K26X31X13 26 31 13 12400 18400 15000
K26X30X22 26 30 22 15200 28000 16000
27 K27X32X17 27 32 27 16000 34000 17000
28 K28X32X16.5 28 32 16.5 15000 32400 14000
K28X32X17 28 32 17 15000 32400 14000
K28X33X13 28 33 13 14800 23600 14000
K28X33X17 28 33 17 19100 33000 14000
K28X33X27 TN 28 33 27 22800 40500 14000
K28X34X17 28 34 17 21300 35000 14000
K28X35X16 28 35 16 21000 29000 14000
K28X35X18 28 35 18 23500 33500 14000
K28X35X20 28 35 20 24000 34000 14000
K28X35X27 28 35 27 34500 54500 14000
K28X36X16 28 36 16 34000 47000 11000
K28X40X18 28 40 18 33000 36500 12000
K28X40X25 28 40 25 45000 54500 12000
30 K30X33X10 30 33 10      
K30X34X13 30 34 13 11800 21200 13000
K30X35X13 30 35 13 15100 25000 13000
K30X35X17 30 35 17 19100 33500 13000
K30X35X26 30 35 26      
K30X35X27 30 35 27 30000 58500 13000
K30X37X16 30 37 16 22500 33000 13000
K30X38X25 30 38 25 16000 390000 13000
K30X39X21 30 39 21      
K30X40X18 30 40 18 31500 39500 12000
K30X40X27 30 40 27      
K30X40X30 30 40 30 48500 68500 13000
K30X35X26 30 35 26 23500 43500 12000
K30X42X44.1 30 42 44.1      
32 K32X37X13 32 37 13 15000 25000 12000
K32X37X17 32 37 17 19400 35000 12000
K32X37X27 32 37 27 29500 59500 12000
K32X37X28 TN 32 37 28 23100 43000 12000
K32X38X16 32 38 16 21000 34000 12000
K32X38X20 32 38 20 26000 44500 12000
K32X38X26 TN 32 38 26 27000 46500 12000
K32X39X16 32 39 16 23500 35000 12000
K32X39X18 32 39 18 26000 40500 12000
K32X40X20 32 40 20 37000 40500 12000
K32X40X36 32 40 36 53500 91500 12000
K32X46X32 32 46 32 65500 82500 11000
K32X40X42 TN 32 40 42 49500 83500 12000
35 K35X40X13 35 40 13 15800 27500 11000
K35X40X17 35 40 17 20300 38000 11000
K35X40X25 35 40 25 29000 59500 11000
K35X40X27 TN 35 40 27 24500 48000 11000
K35X40X27 35 40 27 27800 62100 11000
K35X40X30 35 40 30 25000 49500 11000
K35X42X16 35 42 16 23900 37000 11000
K35X42X18 35 42 18 27000 42500 11000
K35X42X30 35 42 30 38500 67500 11000
K35X43X18 35 43 18 28000 41500 11000
K35X45X20 35 45 20 36500 49500 10000
K35X45X30 35 45 30 52500 78500 10000
K35X45X49 35 45 49 81500 13400 10000
K35X40X30 ZW 35 40 30 31500 65500 11000
K35X42X20 ZW 35 42 20 29500 48500 11000
36 K36X41X30 36 41 30 23000 43000 11000
K36X42X16 36 42 16 24000 42000 11000
37 K37X42X17 37 42 17 21900 42500 10000
K37X42X27 37 42 27 31500 67500 10000
K37X45X26 37 45 26 43500 73500 10000
38 K38X43X17 38 43 17 20000 38000 10000
K38X43X27 38 43 27 31000 67500 10000
K38X46X20 38 46 20 35000 56500 10000
K38X46X32 38 46 32 54500 98500 10000
39 K39X44X24 39 44 24 28000 58500 10000
K39X44X26 ZW 39 44 26 27000 55500 10000
40 K40X44X13 40 44 13 13500 28000 10000
K40X45X13 40 45 13 17100 32000 10000
K40X45X17 40 45 17 20900 41000 10000
K40X45X21 40 45 21 24400 49500 10000
K40X45X27 40 45 27 32500 72500 10000
K40X46X17 40 46 17 24500 44500 9000
K40X47X18 40 47 18 29000 49500 9000
K40X47X20 40 47 20 32000 56500 9000
K40X48X20 40 48 20 35500 58500 9000
K40X45X30 ZW 40 45 30 26000 53500 9000
42 K42X47X13 42 47 13 17300 33000 9000
K42X47X17 42 47 17 21100 42500 9000
K42X47X25 TN 42 47 25 27000 57500 9000
K42X47X27 42 47 27 33000 74500 9000
K42X48X35 42 48 35 35000 76000 9000
K42X50X18 42 50 18 31000 49500 9000
K42X50X20 42 50 20 34500 56500 9000
K42X47X30 ZW 42 47 30 31000 75500 9000
43 K43X48X17 43 48 17 21000 42500 9000
K43X48X27 43 48 27 33000 74500 9000
K43X50X18 43 50 18 30500 53500 8000
45 K45X49X19 45 49 19 17500 40000 8000
K45X50X17 45 50 17 22000 45000 8000
K45X50X27 45 50 27 34000 79500 8000
K45X50X32 TN 45 50 32 38000 90500 8000
K45X52X18 45 52 18 31000 56500 8000
K45X52X21 TN 45 52 21 39500 57500 8000
K45X53X20 45 53 20 38500 66500 8000
K45X53X21 45 53 21 38000 66500 8000
K45X53X22 45 53 22 42000 66500 8000
K45X53X28 45 53 28 51500 97500 8000
K45X59X18 TN 45 59 18 43500 53500 7000
K45X59X32 45 59 32 72500 101500 7000
K45X59X36 45 59 36 75500 108500 7000
K45X51X36 ZW 45 51 36 44500 98500 7000
47 K47X52X17 47 52 17 22800 48500 8000
K47X52X27 47 52 27 34500 82500 8000
K47X53X25 47 53 25 38000 81500 8000
K47X55X28 47 55 28 52500 99500 7500
48 K48X54X19 48 54 19 30000 60500 7500
K48X54X25 48 54 25 31000 91000 7500
50 K50X55X13.5 50 55 13.5 17500 36000 7500
K50X55X17 50 55 17 21400 46500 7500
K50X55X20 50 55 20 26000 59500 7500
K50X55X30 50 55 30 38500 96500 7500
K50X57X18 50 57 18 33000 62500 7000
K50X58X20 50 58 20 35000 61500 7000
K50X58X25 50 58 25 43500 80500 7000
52 K52X57X12 52 57 12 17500 36000 7000
55 K55X60X20 55 60 20 28000 65500 6500
K55X60X27 55 60 27 37500 96500 6500
K55X60X30 55 60 30 40500 10300 6500
K55X61X20 55 61 20 41000 11000 6500
K55X62X18 55 62 18 35000 69500 6500
K55X63X15 55 63 15 245000 40500 6500
K55X63X20 55 63 20 39500 73500 6500
K55X63X25 55 63 25 49500 99500 6500
K55X63X32 55 63 32 61500 129500 6500
K55X60X40ZW 55 60 40 48000 132000 6500
56 K56X61X20 56 61 20 27000 64500 6500
58 K58X63X17 58 63 17 21500 63500 6000
K58X64X19 58 64 19 24500 77500 6000
K58X65X18 58 65 18 34500 69500 6000
K58X65X38ZW 58 65 38 48500 106500 6000
60 K60X65X20 60 65 20 29000 71500 6000
K60X65X30 60 65 30 42000 115500 6000
K60X68X20 60 68 20 43000 84500 5500
K60X68X23 60 68 23 49000 100500 5500
K60X68X25 60 68 25 52500 110500 5500
K60X68X27 60 68 27 59000 120500 6000
K60X75X42 60 75 42 11300 19200 5500
K60X66X33ZW 60 66 33 45500 111500 6000
K60X66X40ZW 60 66 40 57500 150500 5500
K60X68X30ZW 60 68 30 44000 87500 5500
K60X68X34ZW 60 68 34 47500 95500 5500
62 K62X70X40ZW 62 70 40 65500 145500 5500
63 K63X70X21 63 70 21 45000 100500 5500
64 K47X70X16 64 70 16 27500 59500 5500
65 K65X70X20 65 70 20 30000 76500 5500
K65X70X30 65 70 30 43500 93500 5500
K65X73X23 65 73 23 45500 93500 5000
K65X73X30 65 73 30 56500 122500 5000
68 K68X74X20 68 74 20 35000 83500 5000
K68X74X30 68 74 30 46000 117500 5000
K68X74X35 ZW 68 74 35 48000 124500 5000
K68X75X20 68 75 32 53500 127500 4500
70 K70X76X20 70 76 20 35500 85500 4500
K70X76X30 70 76 30 51500 138500 4500
K70X78X25 70 78 25 51500 111500 4500
K70X78X30 70 78 30 59500 134500 4500
K70X80X30 70 80 30 72500 147500 4500
K70X78X46 ZW 70 78 46 77500 18800 4500
72 K72X80X20 80 20 41000 84500 4500  
73 K73X79X20 73 79 20 36500 99500 4500
75 K75X81X20 75 81 20 37000 93500 4500
K75X81X30 75 81 30 51500 142000 4500
K75X83X23 75 83 23 49500 108000 4000
K75X83X30 75 83 30 91500 142000 4000
K75X83X35 ZW 75 83 35 62500 146500 4000
K75X83X40 ZW 75 83 40 72500 176500 4000
80 K80X86X20 80 86 20 38000 97500 4000
K80X86X30 80 86 30 55500 158500 4000
K80X88X30 80 88 30 71500 178500 4000
K80X88X40 ZW 80 88 40 75500 191500 4000
K80X88X46 ZW 80 88 46 87500 23000 4000
85 K85X92X20 85 92 20 44000 15710 3500
90 K90X97X20 90 97 20 44500 112500 3000
K90X98X27 90 98 27 60500 149500 3000
K90X98X30 90 98 30 67500 171500 3000
95 K95X102X20 95 102 20 45500 122500 2900
K95X103X30 ZW 95 103 30 68500 179500 2900
K95X103X40 ZW 95 103 40 82500 227500 2900
100 K100X107X21 100 107 21 47500 126500 2700
K100X108X27 100 108 27 56500 142500 2700
K100X108X30 100 108 30 70500 187500 2700
105 K105X112X21 105 112 21 47000 126500 2500
K105X113X30 105 113 30 71500 196500 2500
110 K110X117X24 110 117 24 55500 157500 2300
K110X118X30 110 118 30 77500 218500 2300
115 K115X123X27 115 123 27 63000 170000 4100
K115X125X35 115 125 35 63000 170000 4100
K115X125X40 115 125 40 65000 175000 4100

RNA4900 RNA4901 RNA4902 RNA4903 RNA4904 RNA4905 RNA4906 RNA4907 RNA4908 RNA4909 RNA4910 RNA4911 RNA4912 RNA4913 RNA4914 RNA4915 RNA4916 RNA4917 RNA4918 RNA4919 RNA4920 RNA4922 RNA4924 RNA4926 RNA4928 RNA 497A RNA 498A 
RNA 499A RNA4900X2A RNA 597A RNA 598A RNA 5001X2A 624702K 624703K 624704 624705 624802 624804 624805
NA4900 NA4901 NA4902 NA4903 NA4904 NA4905 NA4906 NA4907 NA4908 NA4909 NA4910 NA4911 NA4912 NA4913 NA4914 NA4915 NA4916 NA4917 NA4918 NA4919 NA4920 NA4922 NA4924 NA4926 NA4928
NA4822 NA4824 NA4826 NA4828 NA4830 NA4832 NA4834 NA4836 NA4838 NA4840 NA4844 NA4848 NA4852 NA4856 NA4860 NA4864 NA4868 NA4872 NA4876
RNA4822 RNA4824 RNA4826 RNA4828 RNA4830 RNA4832 RNA4834 RNA4836 RNA4838 RNA4840 RNA4844 RNA4848 RNA4852 RNA4856 RNA4860 RNA4864 RNA4868 RNA4872 RNA4876
NA6900 NA6901 NA6902 NA6903 NA6904 NA6905 NA6906 NA6907 NA6908 NA6909 NA6910 NA6911 NA6912 NA6913 NA6914 NA6915 NA6916 NA6917 NA6918 NA6919 NA6920
RNA6900 RNA6901 RNA6902 RNA6903 RNA6904 RNA6905 RNA6906 RNA6907 RNA6908 RNA6909 RNA6910 RNA6911 RNA6912 RNA6913 RNA6914 RNA6915 RNA6916 RNA6917 RNA6918 RNA6919 RNA6920
NK06/10 NK06/12 NK08/10 NK08/12 NK19/12 NK12/12 NK15/12 NK15/16 NK15/20 NK16/16 NK16/20 NK17/16 NK17/20 NK18/16 NK18/20 NK19/16 NK19/20 NK20/16 NK20/20 NK21/16 NK21/20 NK22/16 NK22/20 NK24/16 NK24/20 NK25/16 NK25/18 NK25/20 NK25/30 NK26/16 NK26/20 NK28/20 NK28/30 NK29/20 NK29/30 NK30/20 NK30/30 NK32/20 NK32/30 NK35/20 NK35/30 NK37/20 NK37/30 NK38/20 NK38/30 NK40/20 NK40/30 NK42/20 NK42/30 NK43/20 NK43/30 NK45/20 NK45/30 NK50/25 NK50/35 NK55/25 NK55/35 NK60/25 NK60/35 NK65/25 NK65/35 NK70/25 NK70/35 NK75/25 NK75/35 NK80/25 NK80/35 NK85/25 NK85/35 NK90/25 NK90/35 NK95/26 NK95/36 NK100/26 NK100/36 NK110/30 NK110/40
NKI9/12 NKI10/16 NKI12/16 NKI12/20 NKI15/16 NKI15/20 NKI17/16 NKI17/20 NKI20/16 NKI20/20 NKI22/16 NKI22/20 NKI25/20 NKI25/30 NKI28/20 NKI28/30 NKI30/20 NKI30/30 NKI32/20 NKI32/30 NKI35/20 NKI35/30 NKI38/20 NKI38/30 NKI40/20 NKI40/30 NKI42/20 NKI42/30 NKI45/25 NKI45/35 NKI50/25 NKI50/35 NKI55/25 NKI55/35 NKI60/25 NKI60/35 NKI65/25 NKI65/35 NKI70/25 NKI70/35 NKI75/25 NKI75/35 NKI80/25 NKI80/35 NKI85/26 NKI85/36 NKI90/26 NKI90/36 NKI95/26 NKI95/36 NKI100/30 NKI100/40

Packaging & Shipping

 

Company Profile

 

Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

FAQ

 

1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

Please feel free to contact us, if you have any other question

 

 

Cage: Without Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: Without Outer Ring, Without Inner Ring
Material: Bearing Steel
Type: Closed
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bearing

Materials Used in Bearings

If you’re not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here’s a look at what each type of bearing is made of, how it’s used, and how much they cost. To find the right bearing for your application, it’s important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine’s parts from damage and premature wear.

Materials used in bearings

Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are two of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.

Applications of bearings

Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let’s examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you’re in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.

Types of bearings

bearing
The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.

Cost of bearings

A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for one set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for one side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of one or two wheel bearings will depend on the model and year of the vehicle. For a small car, one rear wheel bearing can cost between $190 and $225, whereas two front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.

Inspection of bearings

bearing
To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.

China supplier CZPT Needle Roller Bearing Nki55/35 Nki60/25 Nki60/35 Needle Bearings deep groove ball bearingChina supplier CZPT Needle Roller Bearing Nki55/35 Nki60/25 Nki60/35 Needle Bearings deep groove ball bearing
editor by CX 2023-11-21

China wholesaler CZPT CZPT CZPT CZPT CZPT Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts supplier

Product Description

hub bearing automotive wheel bearing for front rear car wheel

Product Description

 

   
Name good quality wheel bearing
Brand  WNTN/support OEM brand
Material Chrome steel Gcr15, stainless steel
Precision rating ABEC-1 ABEC-3 ABEC-5 
Noisy Z1,Z2,Z3
Vibration V1,V2,V3
Number of row Single
payment terms T/T
quality strictly checked before sending out
features 1. High quality  
2. Competitive price 
3.Less friction and low noise 
4.durable
package 1.Plastic Tube/30

37.99

71

33

30

DAC38100700037

38.1

70

37

37

DAC38700037

38

70

37

37

DAC38700038

38

70

38

38

DAC38700038B

38

70

38

38

DAC/30

37.99

71.02

33

30

DAC38725716/33B

38

72.02

36

33

DAC38720040

38

72

40

40

DAC37990725716/33

37.99

72.02

36

33

DAC38730040

38

73

40

40

DAC37990740036/33

37.99

74

36

33

DAC/33

37.99

74.02

36

33

DAC/33B

37.99

74.02

36

33

DAC38740050

38

74

50

50

DAC38740450

38

74.04

50

50

DAC39680037

39

68

37

37

 

 

 

Packaging & Shipping

 

 

FAQ

 F&Q

Q:What the MQQ of your company?
A:MQQ is 1pcs.

Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.

 

Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?

 

Q:Dose your factory have any certificate?
A:yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you.

 

Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.

 

Q:Could you tell me the material of our bearing?
A:We have chrome steel,and staninless steel,ceramic and plastic material.

 

Q:Could you offer door to door service?
A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)

 

Q:Coould you tell me the payment term of your company can accept?
A:T/T.Western Union,PayPal

 

Q:Could you tell me the delivery timr of your doods?
A:If stock,in 7days or base on your order quantity

Why Chose Us

Why Chose Us ?

1.Excellent and high quality control,high speed,low noise,long life
2.Best service
3.Prompt delivery
4.Competitive price
5.Small order accepted
6.Customers’ drawing or samples accepted
7.OEM service
8.ISO Standard

After-sales Service: 24 Hours Online
Warranty: One Year
Type: Wheel Hub Bearing

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Shipping Cost:

Estimated freight per unit.





about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China wholesaler CZPT CZPT CZPT CZPT CZPT Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts supplierChina wholesaler CZPT CZPT CZPT CZPT CZPT Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts supplier
editor by CX 2023-11-07

China supplier Stamped Conveyor Roller Ball Bearing ball bearing

Product Description

Product Description
1.       Item No.: as shown in the picture.
2.       Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3.       For some models, the height of the roller is adjustable.
4.       Color of the wheel: red, green, white, orange, etc.
5.       Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6.       Normal packing: poly bag + outer carton

About us
Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are CZPT to provide good-quality products with competitive price.

Why choose us
1.       Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.       Popular over the world: over 20 market countries.
3.       Advantage: good quality with competitive price.
4.       OEM offered: technical drawings, samples or photos are needed.

For more information,please visit http://nbminli /

FAQ

Q: How to get a quotation and start business relationship with your company?
 A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
 A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc. 
Q: How to start an OEM project with your company?
 A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.

 

Certification: ISO, Reach
Splittable: Unsplittable
Surface Treatment: Polished
Material: Stainless Steel
Diameter: 30mm
Transport Package: Yellow Carton
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubricationball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings shball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

  • Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

  • Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

  • Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

  • Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

  • Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

  • Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

  • Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

  • Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

  • Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ould be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China supplier Stamped Conveyor Roller Ball Bearing ball bearingChina supplier Stamped Conveyor Roller Ball Bearing ball bearing
editor by CX 2023-08-30

China OEM China Wholesale 1688 Motorcycle Bicycle Parts Roller Wheel Bearing Ball 6201-2RS 6301-2RS Deep Groove Ball Bearings with Hot selling

Product Description

Deep groove bearing:

 

Deep groove bearing:

Products name

Deep groove bearing 

Brand name

SUHUA

Series

Material

 Stainless steel or Gcr15

Quality

standard

 ISO9001, ABEC-1(Z1V1)

Service

 Original service

Tolerance

Grades

 ABEC-1 (P0), ABEC-3 (P6),ABEC-5(P5)

Noise Level

 EMQ V1 Z2, EMQ V2 Z3, EMQ V3 Z4, EMQ V4

Sealing/Shield

 Open, Z, ZZ,RS, 2RS,RZ,2RZ

Product

Advantage

A: SUHUA bearing moves very Fast & Quiet, with very smooth hand feeling

B: High precision, long life, low noise
C: high-end technology

D: good aftersales service

Package

A: tube package+outer carton+pallets

B: single box+outer carton+pallet

C: tube package+middle box+outer carton+pallets

D: According to your’s requirement

Application

Fan, Bike, Auto, Textile machine, Pump, Agricultural machinery, Machine tool, Motorcycle, washing machine, etc
 

other range

1) 6000 series:

604.605.606.607.608.609.6000.6001.6002.6003.6004.6005.6006.6007.6008.6009.6571.6011.6012

2) 6200 series:

624.625.626.627.628.629.6200.6201.6202.6203.6204.6205.6206.6207.6208.6209.6210.6211.6212

3) 6300 series:

634.635.636.637.638.639.6300.6301.6302.6303.6304.6305.6306.6307.6308.6309.6310.6311.6312

4) 6400 series:

6403.6404.6405.6406.6407.6408.6409.6410.6411.6412.6413.6414.6415.6416.6417.6418.6419.6420

5) 6700 series:

673.674.675.676.677.678.679.6700.6701.6702.6703.6704.6705

6) 6800 series:

685.686.687.688.689.6800.6801.6802.6803.6804.6805.6806.6807.6808.6809.6810.6811.6812

7) 6900 series:

695.696.697.698.699.6900.6901.6902.6903.6904.6905.6906.6907.6908.6909.6910.6911.6912

8)16000 series:

16001.16002.16003.16004.16005.16006.16007.16008.16009.16571.16011.16012.16013.16014.1

FAQ
 

1. Q: Can you provide a free sample?
    Yes, we can offer you a free sample when we have them in stock and you need to pay the shipping fee.

2. Q: What are the terms of payment?
    T/T, Trade Assurance order on Alibaba, Western Union, or Cash.

3. Q: What certification do you have?
    ISO 9001, IATF 16949, ROHS, SGS, BV.

4. Q: What is the lead time?
    Balls in stock could be delivered within 3-5 days once confirmed the order.

    UMass orders or customized products take about 20-30 days.

5. Q: What’s your advantage? Why did we choose you?

   1) More than 30 years of ball manufacturing experience.
   2) Great production capacity and Sustainable Supply. According to customer requirements. We support customized products including packages.
   3) Large stock and wide size range.

 

Shipping Cost:

Estimated freight per unit.

To be negotiated
Contact Angle: 45°
Aligning: Aligning Bearing
Separated: Separated
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Order Sample
Customization:
ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

Available

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Customized Request
ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China OEM China Wholesale 1688 Motorcycle Bicycle Parts Roller Wheel Bearing Ball 6201-2RS 6301-2RS Deep Groove Ball Bearings with Hot sellingChina OEM China Wholesale 1688 Motorcycle Bicycle Parts Roller Wheel Bearing Ball 6201-2RS 6301-2RS Deep Groove Ball Bearings with Hot selling
editor by CX 2023-08-23