Tag Archives: deep groove bearing

China Hot selling CZPT High Quality Deep Groove Ball Bearing 6203-2RS, NTN, CZPT ball bearing

Product Description

Product Description

NSK High Quality Deep Groove Ball Bearing 6203-2RS NTN, Koyo
are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for
low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions,
are easy to mount, and require less maintenance than other bearing types.

Product name Deep groove ball 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

6000 series deep groove ball bearings 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
604 4 12 4 960 350 0.571
605 5 14 5 1070 420 0.0037
606 6 17 6 1960 730 0.0069
607 7 19 6 2800 1060 0.0082
608 8 22 7 3290 1360 0.0129
609 9 24 7 3330 1410 0.016
6000 10 26 8 4160 1780 0.019
6001 12 28 8 5110 2380 0.571
6002 15 32 9 5590 2840 0.03
6003 17 35 10 6000 3250 0.039
6004 20 42 12 9390 5571 0.069
6005 25 47 12 10060 5860 0.08
6006 30 55 13 11900 7460 0.12
6007 35 62 14 16210 10420 0.16
6008 40 68 15 17030 11700 0.19
6009 45 75 16 21080 14780 0.25
6571 50 80 16 22000 16260 0.26
6011 55 90 18 31500 18400 0.39
6012 60 95 18 30000 23000 0.42
6013 65 100 18 32000 25000 0.44
6014 70 110 20 38000 31000 0.6
6015 75 115 20 38000 31000 0.64
6016 80 125 22 47500 40000 0.85
6017 85 130 22 47500 40000 0.89
6018 90 140 24 63800 59000 1.15
6019 95 145 24 66700 62300 1.2
6571 100 150 24 72500 70000 1.25
6200 Series Miniature Deep Groove Ball Bearing    
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
624 4 13 5 1150 400 0.0032
625 5 16 5 1880 680 0.0051
626 6 19 6 2800 1060 0.
627 7 22 7 3290 1360 0.0131
628 8 24 8 3330 1410 0.017
629 9 26 8 4160 1780 0.0191
6200 10 30 9 5110 2380 0.032
6201 12 32 10 6180 3060 0.037
6202 15 35 11 7450 3700 0.045
6203 17 40 12 9560 4780 0.065
6204 20 47 14 12840 6650 0.11
6205 25 52 15 14571 7930 0.13
6206 30 62 16 19460 11310 0.2
6207 35 72 17 25670 15300 0.29
6208 40 80 18 29520 181400 0.37
6209 45 85 19 32500 20400 0.41
6210 50 90 20 35000 32300 0.46
6211 55 100 21 43500 29200 0.61
6212 60 110 22 52500 36000 0.78
6213 65 120 23 57200 45710 0.99
6214 70 125 24 62000 44000 1.05
6215 75 130 25 66000 49500 1.2
6216 80 140 26 72500 53000 1.4
6217 85 150 28 83500 64000 1.8
6218 90 160 30 96000 71500 2.15
6219 95 170 32 109000 82000 2.6
6220 100 180 34 122000 93000 3.15

 

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

 

/* 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

Product Name: NSK Deep Groove Ball Bearing
Bore Size: 1-160 mm
Seals Type: Zz 2RS Open
Lubrication: Grease or Oil
Precision Rating: P0 P6 P5 P4
Vibration: Z1V1 Z2V2 Z3V3
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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 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 Hot selling CZPT High Quality Deep Groove Ball Bearing 6203-2RS, NTN, CZPT   ball bearingChina Hot selling CZPT High Quality Deep Groove Ball Bearing 6203-2RS, NTN, CZPT   ball bearing
editor by CX 2024-01-23

China factory High Performance 6222 Deep Groove Ball Bearing for Agricultural Machinery bearing and race

Product Description

Product Description

 

Product Name Deep Groove Ball Bearing 
Material Bearing Steel 
Number of Row Single Row
Noise Level Z1,Z2,Z3
Vibration V1,V2,V3
Advantages High Quality, Competitive Price, High Precision
Application Area Automotive, machine tools, household appliances, motors, water pumps,agricultural machinery, textile machinery, food industry,combustion engine
Brand DNT or Customized
Delivery time 3-10 days depends on quantity needed

Features:
The company introduction of the most advanced professional bearing manufacturing equipment, using high-quality steel, excellent manufacturing techniques, and precise testing equipment toprovide customers with most satisfactory bearing products:
1.Low noise: multiple experiments CZPT below 20 decibels.
2.High precision: precision manufacturing processes achieve ultra-high precision.
3.High quality: High temperature and corrosion resistance to ensure bearing performance.
4.High hardness: maintained at 58-65 ° with excellent wear resistance.
5.With optimized internal assembly and high-speed polymer cages, reducing bearing energy consumption.

 

Product Parameters

All sizes of Deep Groove Ball bearing could be supplied by us. 

Deep Groove Ball Bearing 6200 Series
Bearing No. Shape Dimensions (mm) Basic Load Rating (KN) Max Speed (RPM) Weight(kg)
  Bore Outer Width Dynamic Cr Static Cor Grease  lubricant Oil lubricant  
  d D B          
6200 Series
623 3 10 4 0.5 0.2156 38000 48000 0.0015
624 4 13 5 1.15 0.40 36000 45000 0.0032
625 5 16 5 1.88 0.68 32000 40000 0.0048
626 6 19 6 2.8 1.05 28000 36000 0.0075
627 7 22 7 3.28 1.35 26000 34000 0.012
628 8 24 8 3.35 1.40 24000 32000 0.017
629 9 26 8 4.45 1.95 22000 30000 0.019
6200 10 30 9 5.1 2.38 19000 26000 0.571
6201 12 32 10 6.82 3.05 18000 24000 0.034
6202 15 35 11 7.65 3.72 17000 22000 0.043
6203 17 40 12 9.58 4.47 16000 20000 0.062
6204 20 47 14 9.88 6.20 14000 18000 0.102
6205 25 52 15 10.78 6.98 12000 16000 0.120
6206 30 62 16 14.97 10.04 9500 13000 0.190
6207 35 72 17 19.75 13.67 8500 11000 0.270
6208 40 80 18 22.71 15.94 8000 10000 0.370
6209 45 85 19 24.36 17.71 7000 9000 0.380
6210 50 90 20 26.98 19.84 6700 8500 0.450
6211 55 100 21 33.37 25.11 6000 7500 0.603
6212 60 110 22 36.74 27.97 5600 7000 0.789
6213 65 120 23 44.01 34.18 5000 6300 0.990
6214 70 125 24 46.79 37.59 4800 6000 1.084
6215 75 130 25 50.85 41.26 4800 5600 1.171
6216 80 140 26 55.04 45.09 4500 5300 1.448
6217 85 150 28 64.01 53.28 4300 5000 1.803
6218 90 160 30 73.83 60.76 4000 4800 2.172
6219 95 170 32 84.83 70.85 3800 4500 2.620
6220 100 180 34 93.95 79.35 3600 4300 3.189
6221 105 190 36 102.30 89.59 3400 4000 3.782
6222 110 200 38 110.82 100.43 3200 3800 4.421

 

Company Profile

 

 

       ZheJiang Dente International Trade Co.,Ltd has taken in this line for more than 20 years. Besides of our own factory, we also cooperate with more than 500 bearing factories to meet market requirements. 
Our products include deep groove ball bearings, tapered roller bearings, pillow block bearings, self-aligning ball bearings, spherical roller bearings, cylindrical roller bearings, thrust ball bearings, non-standard bearings of automobiles. Simultaneously we also supply needle roller bearings, stainless steel bearings ,inch series bearings, non-standard bearings, imported bearings of global brand, wheel hub bearings. 
 

Our products include deep groove ball bearing, tapered roller bearing, pillow block bearing, self-aligning ball bearing, spherical roller bearing, cylindrical roller bearing, thrust ball bearing, non-standard bearing of automobiles. Simultaneously we also supply needle roller bearing, stainless steel bearing ,inch series bearing, non-standard bearing, imported bearing of global brand, wheel hub bearing. And we also supply some customized bearing.
The company has strong production capacity to meet large-scale order demands:

Testing equipment
Company testing center is equipped with professional testing equipment,bearings produced by professional and technical personnel to detect bearing greatly enchance the ability to control the technical indicators,to ensure that the pass rate of products manufactured to meet customer demand.
 

DNT bearing products used have undergone multiple rigorous technical screening, testing, and release to ensure that the performance of each product matches the precision of the unit and device. The factory has complete testing equipment, ensuring safety and quality that you can rest assured!

Rolling bearings are precision components, and no matter how high-performance bearings are used, if not used properly, they will not achieve the expected high performance. The following are the precautions for using bearings:

1.Maintain cleanliness of bearings and their working environment.
2.Reduce strong impact on bearings.Do not allow strong stamping, do not directly strike the bearing with a hammer, and do not transfer pressure through rolling elements
3.Use appropriate operating tools.
4.High precision bearings are recommended for hot installation.When taking bearings by hand, it is important to thoroughly wash away any injured sweat, especially rust prevention during the rainy season and summer

 

FAQ

 

1.Is the company a production factory or a trading company?

ZheJiang Dente International Trade Co.,Ltd is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?

Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
5.What is your delivery time?
Most orders will be shipped within 7-15 days of payment being received.

Any problems, pls feel free to contact us.100% after-sales service!

 We can supply high-quality bearing products with competitive price and the shortest delivery time if you choose us!

 

 

 

 

/* 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: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Order Sample

Chrome steel
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 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 Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

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 factory High Performance 6222 Deep Groove Ball Bearing for Agricultural Machinery   bearing and raceChina factory High Performance 6222 Deep Groove Ball Bearing for Agricultural Machinery   bearing and race
editor by CX 2024-01-16

China factory Original CZPT Made in Japan 6312 Zz 2RS Deep Groove Ball Bearing with Good quality

Product Description

Product Parameters

Product Description

Model  d mm D mm H mm W kg Dynamic Static
6300 10 35 11 0.053 8200 8200
6301 12 37 12 0.06 9750 9700
6302 15 42 13 0.082 11400 11400
6303 17 47 14 0.115 13600 13600
6304 20 52 15 0.142 15900 15900
6305 25 62 17 0.232 23600 20600
6306 30 72 19 0.346 26700 26700
6307 35 80 21 0.457 33500 33500
6308 40 90 23 0.639 40700 40500
6309 45 100 25 0.837 53000 53000
6310 50 110 27 1.082 62000 62000
6311 55 120 29 1.367 71600 71500
6312 60 130 31 1.71 82000 82000
6313 65 40 33 2.1 92700 92500
6314 70 150 35 2.55 104000 104000
6315 75 160 37 3.05 113000 113000
6316 80 170 39 3.61 123000 123000
6317 85 180 41 4.284 133000 97000
6318 90 190 43 4.97 143000 107000
6319 95 200 45 5.74 153000 119000
6320 100 215 47 7.09 173000 141000
6321 105 225 49 8.05 184000 154000
6322 105 240 50 9.53 205000 180000
6324 120 260 55 12.2 208000 186000
6326 130 280 58 14.77 229000 214000
6328 140 300 62 18.33 253000 246000
6330 150 320 65 21.87 275000 284000

The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls and a set of cages. There are 2 types of deep groove ball bearings: single row and double row. The deep groove ball structure is also divided into 2 types: sealed and open. The open type means that the bearing does not have a sealed structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof. seal. The material of the dust-proof sealing cover is stamped steel plate, which only serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.

Single row deep groove ball bearing type code is 6, double row deep groove ball bearing code is 4. It has a simple structure and is easy to use, and is the most commonly produced and widely used type of bearing.
 

Product Display

REBBER COVER SEAL

It can prevent the intrusion of any foreign matter and has a strong dust-proof effect. It is recommended for use in harsh environments.

IRON COVER SEAL

Compared with rubber seals, the speed is higher and the dust-proof effect is good. It is recommended when there is dust and no liquid impurities.

OPEN WITHOUT SEAL

The rotation speed is higher than the other 2 types, and the rolling resistance is low.

Company Profile

ZheJiang Ponchi New Energy Technology Co., Ltd. is establised in2571, The company is mainly committed to the promotion and sales of world-famous bearing brands.Over the years it has established good cooperative relations with many companies,with a wide range of products lt is used in machinery, mining,steel.electric paper, automobile and other fields.With reasonable commodity price,fast logistics delivery,high-quality service, and strong technical force, the company has won the support and trustof customers and truly achieved a CZPT situation between the company and customers.”Customer’s requirement is our pursuit” the company will always adhere to the new concept of people-oriented, customer service, keeping pace with the times, development and innovation”.

Customer feedback

Certifications

Main Applications of deep groove ball bearing:Automobile: rear-wheel, variator, electric installation part  Electric: general-purpose motor, household appliances
Others: meter,internal combustion engine, architecture machinery railway vehicles, transportation andhandling machinery, agriculturalmachinery and machinery of various industries.

FAQ

1. Who are we?
We are based in ZheJiang , China, start from 2019,sell to South America(30.00%),Mid East(25.00%),North
America(20.00%),Africa(15.00%),Southeast Asia(10.00%). There are total about 1000+ people in our office.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
bearing,ball bearing,Roller bearing,Deep groove ball bearing,Tapered roller bearing

4. Why should you buy from us not from other suppliers?
We have more than 20 years of production experience, we have enough inventory to provide you with a full range of bearings, we
have efficient delivery speed, and can provide you with the packaging you need

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

  /* 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

Warranty: One Year
Delivery: 3~7 Days
Origin of Country: Japan
Sample: Available
Certificate: ISO9001
Price: Factory Price
Samples:
US$ 2.2/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball 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.

ball 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.

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 factory Original CZPT Made in Japan 6312 Zz 2RS Deep Groove Ball Bearing   with Good qualityChina factory Original CZPT Made in Japan 6312 Zz 2RS Deep Groove Ball Bearing   with Good quality
editor by CX 2024-01-15

China Good quality 6201 Deep Groove Ball Bearing for Motorcycle ball bearing

Product Description

Rows Number Single Load Direction Radial Bearing
Material Bearing Steel Precision Rating PO P6 P5 P4 P2
Clearance CO C1 C2 C3 C4 Lubrication Oil Lubrication
OEM Available Hardness 59-63HRC
Feature High Speed,Long Life Transport Package Single Box
Specification standard Trademark Packing
Production Capacity 1500,000 Pieces/Year    

The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.

UC200 series 
Bearing type Dimensions(mm) Weight(KG) basic load capacity(KN) Limt speed(r/min)
d D B C S G H ds   dynamic static  
UC201 12 40 27.4 14 11.5 4.5 4 M*0.75 0.12 7.36 4.48 4000
UC202 15 40 27.4 14 11.5 4.5 4 M*0.75 0.11 7.36 4.48 4000
UC203 17 40 27.4 14 11.5 4.5 4 M*0.75 0.1 7.36 4.48 4000
UC204 20 47 31 17 12.7 4.7 4.5 M6*1.0 0.16 9.88 6.2 4000
UC205 25 52 34.1 17 14.3 5.5 4.7 M6*1.0 0.19 10.78 6.98 3400
UC206 30 62 38.1 19 15.9 6 4.5 M6*1.0 0.31 14.97 10.04 2800
UC207 35 72 42.9 20 17.5 6.5 5.1 M8*1.0 0.48 19.75 13.67 2400
UC208 40 80 49.2 21 19 8 5.8 M8*1.0 0.62 22.71 15.94 2200
UC209 45 85 49.2 22 19 8 6.2 M8*1.0 0.67 24.36 17.71 1900
UC210 50 90 51.6 23 19 9 6.5 M10*1.0 0.78 26.98 19.84 1800
UC211 55 100 55.6 25 22.2 9 7.3 M10*1.0 1.03 33.37 25.11 1600
UC212 60 110 65.1 27 25.4 11 7.7 M10*1.0 1.45 36.74 27.97 1500
UC213 65 120 65.1 28 25.4 12 8.3 M10*1.0 1.71 44.01 34.18 1400
UC214 70 125 74.6 30 30.2 12 8.7 M12*1.25 2.06 46.79 37.59 1300
UC215 75 130 77.8 30 33.3 12 9.2 M12*1.25 2.22 50.85 41.26 1200
UC216 80 140 82.6 33 33.3 14 9.6 M12*1.25 2.8 55.04 45.09 1100
UC217 85 150 85.7 36 34.1 14 10.5 M12*1.25 3.48 64.01 53.28 1000
UC218 90 160 96 37 39.7 14 11.1 M12*1.25 4.3 73.83 60.76 950
                         
UC 300series
Bearing type Dimensions(mm) Weight(KG) basic load capacity(KN) Limt speed(r/min)
d D B C S G H ds   dynamic static  
UC305 25 62 38 21 15 6 6.1 M6*1 0.35 17.22 11.39 2800
UC306 30 72 43 23 17 6 6.7 M8*1 0.56 20.77 14.17 2600
UC307 35 80 48 25 19 8 7.4 M8*1 0.71 25.66 17.92 2200
UC308 40 90 52 27 22 10 8.2 M10*1 0.96 31.35 22.38 2000
UC309 45 100 57 30 22 10 9 M10*1 1.28 40.66 30 1800
UC310 50 110 61 32 25 12 10 M12*1.25 1.65 47.58 35.71 1700
UC311 55 120 66 34 26 12 10.7 M12*1.25 1.9 55.05 41.91 1400
UC312 60 130 71 36 30 12 11.5 M12*1.25 2.6 62.88 48.6 1300
UC313 65 140 75 38 33 12 12.2 M12*1.25 3.15 72.21 56.68 1200
UC314 70 150 78 40 33 14 13 M12*1.25 3.83 80.1 63.48 1100
UC315 75 160 82 42 33 14 13.8 M14*1.5 4.59 87.25 71.68 1000
UC316 80 170 86 44 34 14 14.5 M16*1.5 5.3 94.57 80.35 1000
UC317 85 180 96 46 40 16 15 M16*1.5 6.58 102.25 89.52 9050
UC318 90 190 96 48 40 16 15.9 M16*1.5 7.5 110.81 100.76 900
UC319 95 200 103 50 41 16 16.7 M16*1.5 8.7 120.51 113.75 850
UC320 100 215 108 54 42 18 18 M16*1.5 10.8 133.06 131.18 800

Deep groove ball bearing 
Bearing type Dimensions(mm) Weight(kg)
Inner diameter Outer diameter breadth
16001 12 28 7 0.019
16002 15 32 8 0.571
16003 17 35 8 0.033
16004 20 42 8 0.048
16005 25 47 8 0.059
16006 30 55 9 0.087
16007 35 62 99 0.107
16008 40 68 10 0.13
16009 45 75 10 0.167
16571 50 80 11 0.175
16011 55 90 11 0.257
16012 60 95 11 0.281
16013 65 100 13 0.3
16014 70 110 13 0.437
16015 75 115 14 0.463
16016 80 125 14 0.621
16017 85 130 16 0.652
16018 90 140 16 0.87
16019 95 145 16 0.904
Bearing type Dimensions(mm) Weight(kg)
Inner diameter Outer diameter breadth
16571 100 150 8 0.945
6000 10 26 8 0.018
6001 12 28 9 0.571
6002 15 32 10 0.031
6003 17 35 12 0.041
6004 20 42 12 0.068
6005 25 47 13 0.079
6006 30 55 14 0.116
6007 35 62 15 0.151
6008 40 68 16 0.19
6009 45 75 16 0.241
6571 50 80 18 0.261
6011 55 90 18 0.381
6012 60 95 18 0.412
6013 65 100 20 0.439
6014 70 110 20 0.608
6015 75 115 22 0.649
6016 80 125 22 0.872
6017 85 130 24 0.918
6018 90 140 24 1.19

More series of deep groove ball bearing
6300 series deep groove ball bearing
6220 series deep groove ball bearing

Production Line 

HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.

Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation.  Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted  International standard design and manufacturing. Registered trademark “FOS” .

Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.

HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.

The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system,  to prove satisfactory to our customers.  Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.

Exhibitions

About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced  products and service can meet your request.
Why choose us? 

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 mix different standard bearings. 
2. MOQ: 3000 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. 

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks! 
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement. 
  /* 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: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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 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 Good quality 6201 Deep Groove Ball Bearing for Motorcycle   ball bearingChina Good quality 6201 Deep Groove Ball Bearing for Motorcycle   ball bearing
editor by CX 2024-01-15

China Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing bearing and race

Product Description

Product Description

NSK CZPT Rolamento Bearings ZZ 2RS DDU Deep Groove Ball Bearing  
are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for
low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions,
are easy to mount, and require less maintenance than other bearing types.

Product name Deep groove ball 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

6000 series deep groove ball bearings 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
604 4 12 4 960 350 0.571
605 5 14 5 1070 420 0.0037
606 6 17 6 1960 730 0.0069
607 7 19 6 2800 1060 0.0082
608 8 22 7 3290 1360 0.0129
609 9 24 7 3330 1410 0.016
6000 10 26 8 4160 1780 0.019
6001 12 28 8 5110 2380 0.571
6002 15 32 9 5590 2840 0.03
6003 17 35 10 6000 3250 0.039
6004 20 42 12 9390 5571 0.069
6005 25 47 12 10060 5860 0.08
6006 30 55 13 11900 7460 0.12
6007 35 62 14 16210 10420 0.16
6008 40 68 15 17030 11700 0.19
6009 45 75 16 21080 14780 0.25
6571 50 80 16 22000 16260 0.26
6011 55 90 18 31500 18400 0.39
6012 60 95 18 30000 23000 0.42
6013 65 100 18 32000 25000 0.44
6014 70 110 20 38000 31000 0.6
6015 75 115 20 38000 31000 0.64
6016 80 125 22 47500 40000 0.85
6017 85 130 22 47500 40000 0.89
6018 90 140 24 63800 59000 1.15
6019 95 145 24 66700 62300 1.2
6571 100 150 24 72500 70000 1.25
6200 Series Miniature Deep Groove Ball Bearing    
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
624 4 13 5 1150 400 0.0032
625 5 16 5 1880 680 0.0051
626 6 19 6 2800 1060 0.
627 7 22 7 3290 1360 0.0131
628 8 24 8 3330 1410 0.017
629 9 26 8 4160 1780 0.0191
6200 10 30 9 5110 2380 0.032
6201 12 32 10 6180 3060 0.037
6202 15 35 11 7450 3700 0.045
6203 17 40 12 9560 4780 0.065
6204 20 47 14 12840 6650 0.11
6205 25 52 15 14571 7930 0.13
6206 30 62 16 19460 11310 0.2
6207 35 72 17 25670 15300 0.29
6208 40 80 18 29520 181400 0.37
6209 45 85 19 32500 20400 0.41
6210 50 90 20 35000 32300 0.46
6211 55 100 21 43500 29200 0.61
6212 60 110 22 52500 36000 0.78
6213 65 120 23 57200 45710 0.99
6214 70 125 24 62000 44000 1.05
6215 75 130 25 66000 49500 1.2
6216 80 140 26 72500 53000 1.4
6217 85 150 28 83500 64000 1.8
6218 90 160 30 96000 71500 2.15
6219 95 170 32 109000 82000 2.6
6220 100 180 34 122000 93000 3.15

 

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

/* 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: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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 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 Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing   bearing and raceChina Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing   bearing and race
editor by CX 2024-01-11

China manufacturer High Rpm Cheap Factory Direct Selling Inch Size Auto Parts High Quality Long Life Deep Groove Ball Bearing 6006-2RS 6903 6904 6905 6906 6907 6908 supplier

Product Description

Product Description

 

Packaging & Shipping

 

Company Profile

 

Our Advantages

 

FAQ

 

Basic Info. 

Rows Number Single Load Direction Radial Bearing
Material Bearing Steel Precision Rating PO P6 P5 P4 P2
Clearance CO C1 C2 C3 C4 Lubrication Oil Lubrication
OEM Available Hardness 59-63HRC
Feature High Speed,Long Life Transport Package Single Box
Specification standard Trademark Packing
Production Capacity 1500,000 Pieces/Year    

Product Decription

The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.
Product  Series

UC200 series 
Bearing type Dimensions(mm) Weight(KG) basic load capacity(KN) Limt speed(r/min)
d D B C S G H ds   dynamic static  
UC201 12 40 27.4 14 11.5 4.5 4 M*0.75 0.12 7.36 4.48 4000
UC202 15 40 27.4 14 11.5 4.5 4 M*0.75 0.11 7.36 4.48 4000
UC203 17 40 27.4 14 11.5 4.5 4 M*0.75 0.1 7.36 4.48 4000
UC204 20 47 31 17 12.7 4.7 4.5 M6*1.0 0.16 9.88 6.2 4000
UC205 25 52 34.1 17 14.3 5.5 4.7 M6*1.0 0.19 10.78 6.98 3400
UC206 30 62 38.1 19 15.9 6 4.5 M6*1.0 0.31 14.97 10.04 2800
UC207 35 72 42.9 20 17.5 6.5 5.1 M8*1.0 0.48 19.75 13.67 2400
UC208 40 80 49.2 21 19 8 5.8 M8*1.0 0.62 22.71 15.94 2200
UC209 45 85 49.2 22 19 8 6.2 M8*1.0 0.67 24.36 17.71 1900
UC210 50 90 51.6 23 19 9 6.5 M10*1.0 0.78 26.98 19.84 1800
UC211 55 100 55.6 25 22.2 9 7.3 M10*1.0 1.03 33.37 25.11 1600
UC212 60 110 65.1 27 25.4 11 7.7 M10*1.0 1.45 36.74 27.97 1500
UC213 65 120 65.1 28 25.4 12 8.3 M10*1.0 1.71 44.01 34.18 1400
UC214 70 125 74.6 30 30.2 12 8.7 M12*1.25 2.06 46.79 37.59 1300
UC215 75 130 77.8 30 33.3 12 9.2 M12*1.25 2.22 50.85 41.26 1200
UC216 80 140 82.6 33 33.3 14 9.6 M12*1.25 2.8 55.04 45.09 1100
UC217 85 150 85.7 36 34.1 14 10.5 M12*1.25 3.48 64.01 53.28 1000
UC218 90 160 96 37 39.7 14 11.1 M12*1.25 4.3 73.83 60.76 950
                         
UC 300series
Bearing type Dimensions(mm) Weight(KG) basic load capacity(KN) Limt speed(r/min)
d D B C S G H ds   dynamic static  
UC305 25 62 38 21 15 6 6.1 M6*1 0.35 17.22 11.39 2800
UC306 30 72 43 23 17 6 6.7 M8*1 0.56 20.77 14.17 2600
UC307 35 80 48 25 19 8 7.4 M8*1 0.71 25.66 17.92 2200
UC308 40 90 52 27 22 10 8.2 M10*1 0.96 31.35 22.38 2000
UC309 45 100 57 30 22 10 9 M10*1 1.28 40.66 30 1800
UC310 50 110 61 32 25 12 10 M12*1.25 1.65 47.58 35.71 1700
UC311 55 120 66 34 26 12 10.7 M12*1.25 1.9 55.05 41.91 1400
UC312 60 130 71 36 30 12 11.5 M12*1.25 2.6 62.88 48.6 1300
UC313 65 140 75 38 33 12 12.2 M12*1.25 3.15 72.21 56.68 1200
UC314 70 150 78 40 33 14 13 M12*1.25 3.83 80.1 63.48 1100
UC315 75 160 82 42 33 14 13.8 M14*1.5 4.59 87.25 71.68 1000
UC316 80 170 86 44 34 14 14.5 M16*1.5 5.3 94.57 80.35 1000
UC317 85 180 96 46 40 16 15 M16*1.5 6.58 102.25 89.52 9050
UC318 90 190 96 48 40 16 15.9 M16*1.5 7.5 110.81 100.76 900
UC319 95 200 103 50 41 16 16.7 M16*1.5 8.7 120.51 113.75 850
UC320 100 215 108 54 42 18 18 M16*1.5 10.8 133.06 131.18 800

Deep groove ball bearing 
Bearing type Dimensions(mm) Weight(kg)
Inner diameter Outer diameter breadth
16001 12 28 7 0.019
16002 15 32 8 0.571
16003 17 35 8 0.033
16004 20 42 8 0.048
16005 25 47 8 0.059
16006 30 55 9 0.087
16007 35 62 99 0.107
16008 40 68 10 0.13
16009 45 75 10 0.167
16571 50 80 11 0.175
16011 55 90 11 0.257
16012 60 95 11 0.281
16013 65 100 13 0.3
16014 70 110 13 0.437
16015 75 115 14 0.463
16016 80 125 14 0.621
16017 85 130 16 0.652
16018 90 140 16 0.87
16019 95 145 16 0.904
Bearing type Dimensions(mm) Weight(kg)
Inner diameter Outer diameter breadth
16571 100 150 8 0.945
6000 10 26 8 0.018
6001 12 28 9 0.571
6002 15 32 10 0.031
6003 17 35 12 0.041
6004 20 42 12 0.068
6005 25 47 13 0.079
6006 30 55 14 0.116
6007 35 62 15 0.151
6008 40 68 16 0.19
6009 45 75 16 0.241
6571 50 80 18 0.261
6011 55 90 18 0.381
6012 60 95 18 0.412
6013 65 100 20 0.439
6014 70 110 20 0.608
6015 75 115 22 0.649
6016 80 125 22 0.872
6017 85 130 24 0.918
6018 90 140 24 1.19

More series of deep groove ball bearing
6300 series deep groove ball bearing
6220 series deep groove ball bearing

Production Process
Production Process

Inspection
Our Advantage

Package and shipment

Company Profile

HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.

Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation.  Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted  International standard design and manufacturing. Registered trademark “FOS” .

Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.

HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.

The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system,  to prove satisfactory to our customers.  Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.

Exhibitions

About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced  products and service can meet your request.
Why choose us? 

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 mix different standard bearings. 
2. MOQ: 3000 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. 

SUPPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks! 
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement. 
  /* 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: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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

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

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer High Rpm Cheap Factory Direct Selling Inch Size Auto Parts High Quality Long Life Deep Groove Ball Bearing 6006-2RS 6903 6904 6905 6906 6907 6908   supplierChina manufacturer High Rpm Cheap Factory Direct Selling Inch Size Auto Parts High Quality Long Life Deep Groove Ball Bearing 6006-2RS 6903 6904 6905 6906 6907 6908   supplier
editor by CX 2024-01-11

China manufacturer 624 Z 2z Zz Shielded Tiny Deep Groove Ball Bearing 4*13*5 mm supplier

Product Description

Introduction and use of bearings

 

Deep groove ball bearing is simple in structure and convenient in use.

It is the bearing with the largest production scale and the

widest application range.

Widely used in automobiles, household appliances, machine tools, motors, pumps, agricultural machinery, textile machinery and many other fields.

Product Name

624 Z 2Z ZZ Shielded Tiny Deep Groove Ball Bearing 4*13*5 mm

Size

35x80x21mm

Material

bearing steel

Precision

P0 P5 P6

Sealing

ZZ/RS

Delivery date

Normally ready goods and stock within 3-15 days

Payment terms

A:100% TT
B: 30% T/T in advance .70% balance payment before shipment
C:Western union
D:PAYPAL

Application

Auto, tractor ,machine tool, electric machine, water pump, agricultural machinery and textile machinery

Package

Industrial package or according to buyers’ requirement

Details

Deep groove ball bearings are simple, easy to use, is the largest production volume, most widely used of a class of bearings. 

It is mainly used for a bear radial load, but also bear certain axial load. 

When the bearing radial clearance increased when the function with angular contact bearings can bear large axial load.

Special properties

1. High accuracy
2. Low noise
3. Low weight
4. Can be customized according to your needs
5. Can provide small & miniature standard and non-standard ball bearings.

Why Choose Us ?

1. 420 stainless steel for inner ring and outer ring

2. 304 stainless steel cage

3. 420 stainless steel balls

4. Dry lube/ Grease/ OilRelated Products

5. Rubber seals/ ZZ metal shields

6. High speed

7. Long spin time

8. Low friction

9. Rustproof and corrosion resistance

10. Durable

11. Easy to maintenance
Related Products

FAQ

Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.

 

Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.

 

Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.

 

Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.

 

Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
 

/* 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: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

ball 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.

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 Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer 624 Z 2z Zz Shielded Tiny Deep Groove Ball Bearing 4*13*5 mm   supplierChina manufacturer 624 Z 2z Zz Shielded Tiny Deep Groove Ball Bearing 4*13*5 mm   supplier
editor by CX 2024-01-09

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 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)

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Request Sample

Customization:
Available

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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 factory 45bnr10stynsulp4 Ultra High Speed Angular Contact Ball Bearing 45X75X16mm deep groove ball bearing

Product Description

45BNR10STYNSULP4 Ultra High Speed Angular Contact Ball Bearing 45x75x16mm

45BNR10STYNSULP4 Bearing Specifications
Stock Qty. 115.pcs
Country Origin JAPAN
Contact Angel 18°
Bore Dia.(mm) 45
Arrangements SU / DU / DB / DT / DF
Preload
Accuracy P4
Bearing Material SUJ2
Cage Polyamide Cage
Type Ultra High Speed Angular Contact Ball Bearing
HS CODE 8482103TVP 7657125TVP 7657130TVP 7657135TVP 76 0571 1TVP 7603030TVP 7603040TVP BSB040072T B71912 CT.P4.SUM BST30X62.1BDBP4 
 

Separated: Unseparated
Load Direction: Optional
Material: Bearing Steel
Weight: 0.164
Limiting Speeds Grease(Rpm): 28900 R/Min
Limiting Speeds Oil(Rpm): 41300 R/Min
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 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.

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 factory 45bnr10stynsulp4 Ultra High Speed Angular Contact Ball Bearing 45X75X16mm   deep groove ball bearingChina factory 45bnr10stynsulp4 Ultra High Speed Angular Contact Ball Bearing 45X75X16mm   deep groove ball bearing
editor by CX 2023-11-18