Product Description
CZPT is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer’s different technical requirements.
Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that CZPT to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;
On the other hand, slewing ring bearing itself has characteristics of compact structure, CZPT rotating convenient, easy to install and maintaining easily.
Slewing Ring Bearings——Types:
1. 4 point contact ball slewing ring bearings
2. double row ball 4 point contact slewing ring bearings(same diameter ball; different diameter ball)
3. cross roller slewing ring bearings
4. triple row cylindrical roller combined slewing ring bearings
5. ball roller combined slewing ring bearings
6. light flanged slewing ring bearings
Slewing Ring Bearings——Technical Data:
1. Material: 42CrMo, 50Mn
2. Precision: P0. P6. P5.
3. Outside diameter: 200~9500mm
4. Cage/retainer: Nylon or aluminum
5. Gear type: non-geared, internal gear and external gear, gear hardened
Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints”
Hereunder is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipments (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipments (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Military products (e.g. aerospace machinery)
8. Packing machinery
Slewing Ring Bearings——Packaging Details:
Step 1: Covered with the anti-rust oil
Step 2: wrapped with the plastic film;
Step 3: Packed with Kraft paper and professional belts;
Step 4: Put into wooden box to avoid the rust or the moist;
Remark: Normally, plastic film+ Kraft +belt+ wooden box, but customized packing available,
Our Advantages:
1. Good quality and competitive price
2. Trial order accepted
3. ISO certified company
4. OEM and ODM accepted
5. Manufacturing slewing ring bearings since 2000
CZPT Slewing bearing models:
Double row ball slewing bearings with external teeth
VE050B01
VE061B00
VE086B03
VE098B00
VE108B03
VE114B00
VE120B00
VE120B01
VE120B12
VE122B00
VE129B00
VE138B04
VE138B05
VE147B01
VE147B03
VE160B00
VE160B04
VE163B01
Double row ball slewing bearings with internal teeth
VI057B02
VI085B00
VI095B01
VI097B06
VI098B03
VI101B00
VI107B01
VI117B01
VI117B06
VI120B00
VI120B01
VI125B01
VI134B00
VI147B01
VI147B02
VI153B03
VI153B06
VI175B03
Double row ball slewing bearings without teeth
VS050B00
VS061B00
VS098B00
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Transport Package: | Wooden Box |
|---|---|
| Specification: | ISO9001: 2008 |
| Trademark: | LYHY |
| Origin: | China |
| Samples: |
US$ 300/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-14
China supplier Double Row Angular Contact Ball Bearings (3207 3307 3208 3308 3209 3309 3210 3310 3211 3311 3212 3312 3213 3313 3214 3314 3215 3315) bearing assembly
Product Description
Product Description
Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.
We offer comprehensive ranges of angular contact ball bearings, which are available in:
– Single row and double row
– Open and sealed types
– Contact angle of 15, 30 or 40 degree
– Chrome steel, ceramic or hybrid materials
– Polyamide, steel and brass cage assemblies
Product Parameters
Double Row Angular Contact ball bearings have 2 rows of balls arranged back-to-back. The lines of action of the load at the contact between balls and raceways (load lines) diverge at the bearing axis and form an angle of 30° to the radial plane.
| Dimension | load Rating | LimitingSpeed |
Bearing No. | Mass (Kg) |
||||
| d | D | B |
(KN) |
(KN) |
Grease |
Oil | ||
| 10 | 30 | 14.3 | 8.4 | 6.5 | 14000 | 19000 | 3200 | 0.05l |
| 12 | 32 | 15.9 | 8.45 | 607 | 13000 | 17000 | 3201 | 0.060 |
| 15 | 35 | 15.9 | 11.1 | 9.05 | 11000 | 15000 | 3202 | 0.069 |
| 42 | 19 | 14.2 | 11.8 | 9900 | 13000 | 3302 | 0.127 | |
| 17 | 40 | 17.5 | 14.2 | 11.8 | 9900 | 13000 | 3203 | 0.099 |
| 47 | 22.2 | 17.5 | 15 | 9000 | 12000 | 3303 | 0.185 | |
| 20 | 47 | 20.6 | 17.5 | 15.2 | 8800 | 12000 | 3204 | 0.166 |
| 52 | 22.2 | 21.1 | 18.6 | 8000 | 11000 | 3304 | 0.221 | |
| 25 | 52 | 20.6 | 19.3 | 18.4 | 7300 | 9800 | 3205 | 0.183 |
| 62 | 25.4 | 29.4 | 26.8 | 6700 | 8900 | 3305 | 0.354 | |
| 30 | 62 | 23.8 | 27.7 | 27.4 | 6300 | 8400 | 3206 | 0.303 |
| 72 | 30.2 | 39 | 36.5 | 5700 | 7600 | 3306 | 0.558 | |
| 35 | 72 | 27 | 37.5 | 38 | 5500 | 7400 | 3207 | 0.458 |
| 80 | 34.9 | 49.5 | 47.5 | 5000 | 6600 | 3307 | 0.756 | |
| 40 | 80 | 30.2 | 40.5 | 45 | 4900 | 6600 | 3208 | 0.627 |
| 90 | 36.5 | 54.5 | 57.5 | 4400 | 5900 | 3308 | 1.030 | |
| 45 | 85 | 30.2 | 46.5 | 52 | 4400 | 5900 | 3209 | 0.678 |
| 100 | 39.7 | 67.5 | 72.5 | 4000 | 5300 | 3309 | 1.370 | |
| 50 | 90 | 30.2 | 52.5 | 60 | 4000 | 5300 | 3210 | 0.698 |
| 110 | 44.4 | 81.5 | 89.5 | 3600 | 4800 | 3310 | 1.980 | |
| 55 | 100 | 33.3 | 66 | 76.5 | 3600 | 4900 | 3211 | 1.070 |
| 120 | 49.2 | 96.5 | 108 | 3300 | 4400 | 3311 | 2.420 | |
| 60 | 110 | 36.5 | 70.5 | 88 | 3400 | 4500 | 3212 | 1.340 |
| 130 | 54 | 113 | 128 | 3000 | 4000 | 3312 | 3.070 | |
| 65 | 120 | 38.1 | 78 | 99 | 3100 | 4200 | 3213 | 1.680 |
| 140 | 58.7 | 131 | 150 | 2800 | 3700 | 3313 | 3.900 | |
| 70 | 125 | 39.7 | 86 | 110 | 2900 | 3900 | 3214 | 1.840 |
| 150 | 63.5 | 153 | 168 | 2600 | 3500 | 3314 | 5.200 | |
| 75 | 130 | 41.3 | 94 | 122 | 2700 | 3600 | 3215 | 2.000 |
| 160 | 68.3 | 172 | 191 | 2400 | 3200 | 3315 | 6.300 | |
Packaging & Shipping
Our Advantages
1. We have over 10 years’ experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.
Please contact us immediately if you have any questions.
Related Products
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Double |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| 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. |
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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.
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.
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.
editor by CX 2024-04-25
China OEM Double Row Angular Contact Ball Bearings 3200 a-2ztn9/Mt33 3200 Atn9 3200 a-2RS1tn9/Mt33 wholesaler
Product Description
Most Important
——————————————————————————————————————-
* We have been manufacturing high-precision angular contact ball bearings for the domestic market and some ZheJiang and HangZhou trading companies for 10 years, and a few years ago, we exported high-precision angular contact ball bearings offline by ourselves;
* This year, we are going to export high precision angular contact ball bearings online, if you trade on Alibaba, you will get the lowest price;
*For UKL bearings , which have been sold worldwide for 7 years, we can quote you an accurate EXW price within an hour, with comprehensive experience in FOB, CIF, DDU, DDP; familiar with transportation, documents, customs clearance, etc.;
*Because we are a factory , so
1) One-stop shopping (bearings, gears, sprockets, shafts, welding, molds, etc.);
2) Lowest price, controllable quality, guaranteed after-sales service and on-time delivery;
*Instant contact is open 24 hours, just send us your enquiry;
* Welcome to visit our factory!
Products Description
——————————————————————————————————————-
High Precision Angular Contact Ball Bearings
1. UKL Angular contact ball bearing have high limit rotational speed, they can carry radial load and axial load simultaneously, they can also with stand purely radial load. The axial load carrying capacity depend on the magnitude of contact angle and increases with increasing contact angle. High speed series with small ball design. The material used for bearing ring is high purity bearing steel made in Europe with a special heat treatment process, cold treatment process and material modification technology greatly improve the fatigue life of this series of bearing. The contact angle include 15 degree and 25 degree, the paired use can bear both axial load and radial load or synthetic load. Using the outer ring guided phenolic resin bakelite cloth cage, can long term work stably less than 80ºC.
Product Process
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Factory&Equipment
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Inspection%Packaging
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Application Scenario
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Certifications
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FAQ
——————————————————————————————————————-
1.Q:What the MOQ of your company?
A:MOQ is 1pc.
2.Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
3.Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
4.Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
5.Q:Could you tell me the material of your bearing?
A:We have chrome steel,carbon steel and staninless steel,ceramic and plastic material.
6.Q:Could you offer door to door service?
A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)
7.Q:Coould you tell me the payment term of your company can accept?
A:T/T.L/C,Western Union,PayPal
8.Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 15-40 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
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.
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.
editor by CX 2024-01-19
China factory Ceramic/Needle/Pillow Block/Auto/Deep Groove/Angular Contact Ball/Spherical/Taperd Roller/Cylindrical Roller/Linear/Wheel Bearings Rtb/Timken/FAG/INA/NSK 32008X double row ball bearing
Product Description
| Main Dimensions & Performance Data(32008) | ||
| d | Bore diameter | 40mm |
| D | Outside diameter | 68mm |
| T | Total bearing width | 19 mm |
| rmin | Minimum chamfer dimension | 1.1mm |
| d1 | Inner ring shoulder diameter | 54.7 mm |
| B | Width inner ring | 19 mm |
| C | Width outer ring | 14.5 mm |
| Cr | Basic dynamic load rating, radial | 51800 N |
| C0r | Basic static load rating, radial | 71000 N |
| Cur | Fatigue load limit, radial | 2000 N |
| nG | Limiting speed | 5300 r/min |
| nϑr | Reference speed | 6700 r/min |
| Weight | 0.28kg | |
| da min | Minimum diameter shaft shoulder | 60mm |
| Da max | Maximum diameter of housing shoulder | 61.5 mm |
| ra max | Maximum fillet radius | 1 mm |
| Other Details | ||
| 1) Package: carton /box packaging | ||
Tapered roller bearing
These bearings are capable of taking high radial loads and axial loads in 1 direction. In the HR series, the rollers are increased in both size and number giving it an even higher load capacity. They are generally mounted in pairs in a manner similar to single-row angular contact ball bearings. In this case, the proper internal clearance can be obtained by adjusting the axial distance between the cones or cups of the 2 opposed bearings.
| Model | Size | Rated dynamic load (KN) | Rated static load (KN) | Weight (kg) | ||
| (mm) | ||||||
| d | D | T | ||||
| 32007 | 35 | 62 | 18 | 43.2 | 59.2 | 0.224 |
| 32008 | 40 | 68 | 19 | 51.9 | 71.1 | 0.268 |
| 32009 | 45 | 75 | 20 | 58.4 | 81.4 | 0.339 |
| 32571 | 50 | 80 | 20 | 61.1 | 89 | 0.367 |
| 32011 | 55 | 90 | 23 | 80.2 | 117.2 | 0.564 |
| 32012 | 60 | 95 | 23 | 81.7 | 122.2 | 0.597 |
| 32013 | 65 | 100 | 23 | 82.8 | 127.3 | 0.628 |
| 32014 | 70 | 110 | 25 | 104.3 | 160.1 | 0.838 |
| 32015 | 75 | 115 | 25 | 103.1 | 160.2 | 0.875 |
| 32016 | 80 | 125 | 29 | 141 | 220 | 1.27 |
| 32017 | 85 | 130 | 29 | 139.8 | 220.3 | 1.33 |
| 32018 | 90 | 140 | 32 | 171.3 | 271 | 1.77 |
| 32019 | 95 | 145 | 32 | 174.6 | 281.3 | 1.796 |
| 32571 | 100 | 150 | 32 | 173.1 | 281.7 | 1.91 |
| 32571 | 105 | 160 | 35 | 205. 4 | 335.8 | 2.4 |
| 32571 | 110 | 170 | 38 | 245.7 | 403.4 | 3.02 |
| 32571 | 120 | 180 | 38 | 242.1 | 404.4 | 3.18 |
| 32026 | 130 | 200 | 45 | 333.7 | 567.1 | 4.94 |
| 32571 | 140 | 210 | 45 | 329.8 | 567.8 | 5.15 |
| 32030 | 150 | 225 | 48 | 367.6 | 635.8 | 6.25 |
| 32032 | 160 | 240 | 51 | 419.6 | 734.5 | 7.66 |
| 32207 | 35 | 72 | 24.25 | 70.6 | 89.5 | 0.426 |
| 32208 | 40 | 80 | 24.75 | 77.9 | 97.2 | 0.529 |
| 32209 | 45 | 85 | 24.75 | 80.7 | 104 | 0.587 |
| 32210 | 50 | 90 | 24.75 | 82.8 | 107.6 | 0.654 |
| 32211 | 55 | 100 | 26.75 | 108 | 142.3 | 0.881 |
| 32212 | 60 | 110 | 29.75 | 132.8 | 179.6 | 1.17 |
| 32213 | 65 | 120 | 32.75 | 160.9 | 221.7 | 1.58 |
| 32214 | 70 | 125 | 33.25 | 168.5 | 237.1 | 1.66 |
| 32215 | 75 | 130 | 33.25 | 170.3 | 242.1 | 1.76 |
| 32216 | 80 | 140 | 35.25 | 198.1 | 279 | 2.19 |
| 32217 | 85 | 150 | 38.5 | 226.7 | 324 | 2.7 |
| 32218 | 90 | 160 | 42.5 | 269.8 | 395.5 | 3.61 |
| 32219 | 95 | 170 | 45.5 | 302.5 | 448.4 | 4.34 |
| 32220 | 100 | 180 | 49 | 341 | 512 | 5.31 |
| 32221 | 105 | 190 | 53 | 342 | 517 | 6.37 |
| 32222 | 110 | 200 | 56 | 388 | 590 | 7.45 |
| 32224 | 120 | 215 | 61.5 | 420 | 610 | 9.04 |
| 32226 | 130 | 230 | 67.75 | 551.7 | 888.7 | 11.377 |
| 32228 | 140 | 250 | 71.75 | 643.7 | 1049.3 | 14.413 |
| 32307 | 35 | 80 | 32.75 | 99 | 118.3 | 0.766 |
| 32308 | 40 | 90 | 35.25 | 115.7 | 147.8 | 1 |
| 32309 | 45 | 100 | 38.25 | 145.3 | 189.4 | 1.41 |
| 32310 | 50 | 110 | 42.25 | 177.5 | 236.1 | 1.9 |
| 32311 | 55 | 120 | 45.5 | 203.1 | 271.4 | 2.33 |
| 32312 | 60 | 130 | 48.5 | 226.7 | 303 | 2.96 |
| 32313 | 65 | 140 | 51 | 259.6 | 349.8 | 3.53 |
| 32314 | 70 | 150 | 54 | 298.9 | 408.5 | 4.41 |
| 32315 | 75 | 160 | 58 | 347.4 | 483.1 | 5.27 |
| 32316 | 80 | 170 | 61.5 | 387.9 | 543.1 | 6.43 |
| 32317 | 85 | 180 | 63.5 | 421.8 | 592.8 | 7.31 |
| 32318 | 90 | 190 | 67.5 | 478.2 | 693.3 | 8.81 |
| 32319 | 95 | 200 | 71.5 | 516.1 | 737.7 | 10.1 |
| 32320 | 100 | 215 | 77.5 | 600.1 | 872.2 | 13 |
| 35717 | 35 | 72 | 18.25 | 54.2 | 63.5 | 0.333 |
| 35718 | 40 | 80 | 19.75 | 63 | 74 | 0.431 |
| 35719 | 45 | 85 | 20.75 | 67.9 | 83.6 | 0.474 |
| 35710 | 50 | 90 | 21.75 | 73.3 | 92.1 | 0.529 |
| 35711 | 55 | 100 | 22.75 | 90.8 | 113.7 | 0.713 |
| 35712 | 60 | 110 | 23.75 | 103.3 | 130 | 0.923 |
| 35713 | 65 | 120 | 24.75 | 120.6 | 152.6 | 1.58 |
| 35714 | 70 | 125 | 26.25 | 132.3 | 173.6 | 1.29 |
| 35715 | 75 | 130 | 27.25 | 138.4 | 185.4 | 1.4 |
| 35716 | 80 | 140 | 28.25 | 160.4 | 212.8 | 1.56 |
| 35717 | 85 | 150 | 30.5 | 177.6 | 236.8 | 2.06 |
| 35718 | 90 | 160 | 32.5 | 200.1 | 269.6 | 2.54 |
| 35719 | 95 | 170 | 34.5 | 226.6 | 309 | 3.04 |
| 35710 | 100 | 180 | 37 | 253.9 | 350.3 | 3.72 |
| 35711 | 105 | 190 | 39 | 285.3 | 398.6 | 4.38 |
| 35712 | 110 | 200 | 41 | 314.9 | 443.6 | 5.21 |
| 35714 | 120 | 215 | 43.5 | 337.4 | 483.3 | 6.2 |
| 35716 | 130 | 230 | 43.75 | 366 | 521.4 | 6.94 |
| 35718 | 140 | 250 | 45.75 | 409.2 | 584.7 | 8.73 |
| 35710 | 150 | 270 | 49 | 451.2 | 645.9 | 10.8 |
| 30306 | 30 | 72 | 20.75 | 59.6 | 60.1 | 0.389 |
| 30307 | 35 | 80 | 22.75 | 75.3 | 82.6 | 0.515 |
| 30308 | 40 | 90 | 25.25 | 80.5 | 90.2 | 0.761 |
| 30309 | 45 | 100 | 27.25 | 113 | 128 | 0.984 |
| 3571 | 50 | 110 | 29.25 | 145.3 | 189 | 1.26 |
| 3571 | 55 | 120 | 31.5 | 153.5 | 187.6 | 1.65 |
| 3571 | 60 | 130 | 33.5 | 171.4 | 210 | 1.96 |
| 3571 | 65 | 140 | 36 | 193 | 227 | 2.42 |
| 3571 | 70 | 150 | 38 | 219 | 271.7 | 3.04 |
| 3571 | 75 | 160 | 40 | 252.8 | 318.8 | 3.71 |
| 3 0571 | 80 | 170 | 42.5 | 278.8 | 352.5 | 4.27 |
| 3 0571 | 85 | 180 | 44.5 | 304.9 | 388.2 | 4.96 |
| 3 0571 | 90 | 190 | 46.5 | 342.1 | 440.9 | 5.8 |
| 3571 | 95 | 200 | 49.5 | 369 | 477.7 | 6.8 |
| 30320 | 100 | 215 | 51.5 | 406.4 | 526.4 | 8.22 |
| 33008 | 40 | 68 | 22 | 60.2 | 79.6 | 0.306 |
| 33009 | 45 | 75 | 24 | 72.6 | 100.4 | 0.398 |
| 33571 | 50 | 80 | 24 | 76.8 | 110.9 | 0.433 |
| 33011 | 55 | 90 | 27 | 94.9 | 144.7 | 0.651 |
| 33012 | 60 | 95 | 27 | 96.7 | 151.1 | 0.691 |
| 33013 | 65 | 100 | 27 | 98.1 | 157.7 | 0.732 |
| 33014 | 70 | 110 | 31 | 134.4 | 220.4 | 1.07 |
| 33015 | 75 | 115 | 31 | 133.1 | 221.2 | 1.12 |
| 33016 | 80 | 125 | 36 | 181.9 | 304.3 | 1.63 |
| 33017 | 85 | 130 | 36 | 180.4 | 305.5 | 1.69 |
| 33018 | 90 | 140 | 39 | 232.6 | 388.6 | 2.2 |
| 33019 | 95 | 145 | 39 | 231 | 389.9 | 2.26 |
| 33571 | 100 | 150 | 39 | 229.5 | 391.2 | 2.33 |
| 33571 | 105 | 160 | 43 | 257.4 | 437.4 | 2.97 |
| 33571 | 110 | 170 | 47 | 288.7 | 502.7 | 3.74 |
| 33571 | 120 | 180 | 48 | 298.2 | 535.1 | 4.07 |
| 33026 | 130 | 200 | 55 | 400.6 | 727.4 | 6.14 |
| 33571 | 140 | 210 | 56 | 407 | 755.5 | 6.57 |
| 33030 | 150 | 225 | 59 | 461.2 | 873.8 | 7.98 |
| 33108 | 40 | 75 | 26 | 84.7 | 110.3 | 0.496 |
| 33109 | 45 | 80 | 26 | 87.1 | 117.2 | 0.535 |
| 33110 | 50 | 85 | 26 | 89.3 | 124.1 | 0.572 |
| 33111 | 55 | 95 | 30 | 114.5 | 164.8 | 0.483 |
| 33112 | 60 | 100 | 30 | 117.1 | 173.2 | 0.895 |
| 33113 | 65 | 110 | 34 | 142.8 | 220.4 | 1.3 |
| 33114 | 70 | 120 | 37 | 172.1 | 267 | 1.7 |
| 33115 | 75 | 125 | 37 | 176.1 | 279.6 | 1.78 |
| 33116 | 80 | 130 | 37 | 179.6 | 292.3 | 1.87 |
| 33117 | 85 | 140 | 41 | 215.7 | 354.2 | 2.43 |
| 33118 | 90 | 150 | 45 | 252.1 | 414.7 | 3.13 |
| 33119 | 95 | 160 | 49 | 298.9 | 498.2 | 3.94 |
| 33120 | 100 | 165 | 52 | 309.4 | 529.2 | 4.31 |
| 33121 | 105 | 175 | 56 | 351.8 | 607.8 | 5.29 |
| 33122 | 110 | 180 | 56 | 373.2 | 639.1 | 5.5 |
| 33124 | 120 | 200 | 62 | 448.2 | 779.1 | 7.68 |
| 33207 | 35 | 72 | 28 | 82.6 | 101.7 | 0.515 |
| 33208 | 40 | 80 | 32 | 105.8 | 135.5 | 0.715 |
| 33209 | 45 | 85 | 32 | 109.5 | 145.1 | 0.771 |
| 33210 | 50 | 90 | 32 | 112.9 | 154.6 | 0.825 |
| 33211 | 55 | 100 | 35 | 35 | 196.7 | 1.15 |
| 33212 | 60 | 110 | 38 | 38 | 231.4 | 1.51 |
| 33213 | 65 | 120 | 41 | 41 | 281.6 | 1.99 |
| 33214 | 70 | 125 | 41 | 41 | 298.3 | 2.1 |
| 33215 | 75 | 130 | 41 | 41 | 299.7 | 2.17 |
| 33216 | 80 | 140 | 46 | 46 | 361.8 | 2.83 |
| 33217 | 85 | 150 | 49 | 49 | 415.7 | 3.52 |
| 33218 | 90 | 160 | 55 | 55 | 499.7 | 4.55 |
| 33219 | 95 | 170 | 58 | 58 | 568.4 | 5.48 |
| 33220 | 100 | 180 | 63 | 63 | 666.2 | 6.71 |
| 33221 | 105 | 190 | 68 | 68 | 770.5 | 8.12 |
| 32909 | 45 | 68 | 15 | 32 | 48.4 | 0.18 |
| 32910 | 50 | 72 | 15 | 36.9 | 56.1 | 0.181 |
| 32911 | 55 | 80 | 17 | 41.5 | 66.7 | 0.262 |
| 32912 | 60 | 85 | 17 | 46.1 | 73.1 | 0.279 |
| 32913 | 65 | 90 | 17 | 45.4 | 73.2 | 0.295 |
| 32914 | 70 | 100 | 20 | 70.8 | 114.7 | 0.471 |
| 32915 | 75 | 105 | 20 | 78.2 | 124.7 | 0.49 |
| 32916 | 80 | 110 | 20 | 79.3 | 129 | 0.514 |
| 32917 | 85 | 120 | 23 | 96.9 | 164.1 | 0.767 |
| 32918 | 90 | 125 | 23 | 95.8 | 164.5 | 0.798 |
| 32919 | 95 | 130 | 23 | 97.1 | 169.8 | 0.931 |
| 32920 | 100 | 140 | 25 | 126.6 | 218.4 | 1.12 |
| 32921 | 105 | 145 | 25 | 128 | 255.6 | 1.16 |
| 32922 | 110 | 150 | 25 | 129.7 | 232.6 | 1.2 |
| 32924 | 120 | 165 | 29 | 171.9 | 317.3 | 1.78 |
| 32926 | 130 | 180 | 32 | 206 | 380.6 | 2.34 |
| 32928 | 140 | 190 | 32 | 207.2 | 392.4 | 2.47 |
| 32930 | 150 | 210 | 38 | 261 | 510.4 | 3.87 |
| 32932 | 160 | 220 | 38 | 262.8 | 525.4 | 4.07 |
| 32934 | 170 | 230 | 38 | 280.1 | 561.5 | 4.33 |
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.
FAQ
1.Is the company a production factory or a trading company?
ZheJiang REET BEARING 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.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
5.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.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 8/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2023-08-10
China BEARING CPM 2168 Cylindrical roller bearings CPM2168.RNN CPM2168 double row ball bearing
Variety: BALL
Construction: Deep Groove
Relevant Industries: Foodstuff & Beverage Factory, Farms, Cafe, House Use
Bore Dimension: 39 – forty mm
Design Variety: CPM2168
Precision Ranking: p6
Seals Sort: open
Quantity of Row: Double row
Product title: Cylindrical roller bearings CPMCPM2168
Feature: Stable Overall performance:minimal Voice
Bundle: Unique Package deal
Lubrication: Grease Lubrication
Packaging Specifics: box for BEARING CPM 2168Cylindrical roller bearings CPM2168.RNN CPM2168
Port: HangZhou,HangZhou,any port
BEARING CPM 2168Cylindrical roller bearings CPM2168.RNN CPM2168
Product data
| Bearing Name | BEARING CPM 2168Cylindrical roller bearings CPM2168.RNN CPM2168 |
| Model | Adhere to Customer’ 12mm small 1.5v 3v 4.5v 5v 6v 12v n20 brushed correct angle dc worm equipment motor s Request |
| Design variety | cpm2168 |
| Materials | Chrome Steel/GCr15 |
| Variety of row | Single Row |
| Precision | P0 P6 P5 P4 P2 |
| Inventory | Fantastic Supplying Ability |
| Guarantee | 50000km or 1 year |
| Precision rating | ABCE-1 ABCE-3 ABCE-5 ABCE-7 |
| Vibration | V1 V2 V3 V4 |
| Clearance | C0 C2 C3 C4 C5 |
| Delivery Depth | 2-5 days upon receipt of deposit or according to your needs |
| Transport | Specific ,AIR ,Sea Transport |
Packaging & Shipping
Packing particulars:
1.manufacturer Plastic bag+manufacturer coloration box+carton+wooden pallet.
two.Neutral deal+carton+wood pallet.
three.According to buyer request.
four.Personal manufacturer:ZWTHK deal+carton+wooden pallet.
Payment Terms:
TT,Western Union,Paypal
How significantly Deposite?
T/T thirty% of overall as deposit, 2kw or 3kw Electric powered Rotary 220v AC Motor banlance 70% Just before Shipment
Company Data
ZheJiang Hanke Bearing Co.,Ltd is a specialist bearing company with a lot more than ten many years knowledge, found in industrial city HangZhou, near to ZheJiang and HangZhou.There are 15-20 workers in R&D department, and far more than 50 workers in Q& New first Fanuc AC servo motor A06B-2085-B107 C office.We do our best to offer higher top quality bearings to consumers from all above the globe.
Our Companies
FAQ
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
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
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.
editor by czh 2023-02-17
China Customized 6201zz 6202 6203 6204 6205 6206 6207 Ball Roller Bearings double row ball bearing
Item Description
We are a very professional injection mould making and equipment parts machining factory because 2009 and could do OEM/ODM according to your 2nd/3D drawings or your idea.
| Materials | Metallic Aluminum Brass Bronze Copper Stainless Steel Plastic Acrylic |
| Precision | .01-.05mm or as your ask for |
| Coloration | Portray/anodizing/ Polish/silk display/chromeplate/rubber/coating |
| Surface remedy | Anodizing, powder coating ,portray ,shot blasting, polishing ,electrical galvanizing, electrophoresis, chemical galvanizing, chrome plating , nickel plating, tumbling, passivate and many others. |
| End | Polished,mirror polished,brushed, sandblasted, warmth treatment method and so on. |
| Emblem Technique | Laser engraving, CNC engraving, display-printing and so on. |
| Packing | Cartons or up to your request |
| Transportation | Intercontinental express by DHL, UPS, and so on & by sea |
| Shipping and delivery | Within 30~35 workdays right after deposit or payment gained/ also up to the design and style |
| Payment conditions | L/C, Paypal or thirty% pre T/T 70% balance prior to cargo |
| Software program | Strong perform, Pro/E, AutoCAD CAM, Catia |
| Edge | Compretitve cost,higher top quality and good soon after-revenue service, we have office in Germany |
Glad to notify you we can manufacture OEM car parts by drawings and sampels.
In buy to provide precise cost, could you deliver us your drawings and amount?
Quotation will be supplied inside 24 several hours.
Firm Information:
one. Far more than ten years processing&exporting knowledge, Extended-term cooperation is often pursued
two. With 5 manufacturing facility technicians, 3 R&D, and 13 several years automotive sector experience for our president.
HangZhou CZPT Machienry can give cnc machining for all variety of metallic components.
Hunting for your drawings and requirements.
Mould Show:
For Moulds, pls examine the under distinct grades as to select the 1 you want, we will provide the correct price dependent on your 3D/2nd drawing
| A Grade | B Grade | C Grade | D Quality | |
| Mould Base Common | HASCO/DME | LKM | LKM | Chinese Local |
| Cavity metal | H13,2344,2343,8407 Heat Hard Steel | 718,738,P20HH, NAK80 | Neighborhood P20,WY718 | Aluminum,550C |
| Standard | HASCO,DME | LKM | Chinese Local | / |
| Mould Daily life | >500K-3000k | 300k-500k | 100k-300k | >10k |
| Runner | Scorching runner,cold runner | Scorching runner,chilly runner | Chilly runner | Cold runner |
| Mould Price | Most costly | Expensive | Value-effective | Cheap |
Factory:
Our skilled and exellent staff:
All of our workers have far more than 5 several years expertise and obtained expert training from Japanese firm as to ensure the items quality.
We could control the price tag and quality extremely well by our own equipments, such as Grinding machine, Milling machine, CNC middle, Wire chopping, Injection equipment ect.
Certification:
Cargo:
We generally shipping the moulds and equipment parts by sea/DHL/FEDEX/TNT, according to the buyers.
FAQ:
1.How can I get the quotation?
Please give us your drawing,amount,weight and substance of the merchandise.
2.If you will not have the drawing,can you make drawing for me?
Indeed,we are CZPT to make the drawing of your sample copy the sample.
three.When can I get the sample and your major purchase time?
Sample time: 35-forty days right after commence to make mold.
Order time: 35-40 days, the exact time is dependent on product.
4.What is your payment technique?
T/T: fifty% deposit,fifty%to be paid out before cargo.
5.Which type of file format you can read?
PDF, IGS, DWG, Step, MAX
six.What is your surface area therapy?
Like: powder coating, sand blasting, portray, polishing, acid pickling, anodizing, enamel, zinc plating, sizzling-dip galvanizing, electrophoresis, chrome plating.
seven.What is your way of packing?
Generally we pack items according to customers’ specifications.
Contact Data:
If you have any doubts, you should do not hesitate to make contact with me.
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US $1-10 / Piece | |
1 Piece (Min. Order) |
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| Application: | Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal Forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery |
|---|---|
| Standard: | GB, EN, API650, China GB Code, JIS Code, TEMA, ASME, GB, En, API650, China GB Code, JIS Code, Tema, ASME, GB, En, API650, China GB Code, JIS Code, Tema, ASME, ASTM |
| Surface Treatment: | Polishing, Polishing |
| Production Type: | Batch Production, Batch Production |
| Machining Method: | CNC Machining, CNC Machining |
| Material: | Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Metal |
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| Samples: |
US$ 5/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
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|---|
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| Material | Metal; Aluminum; Brass; Bronze; Copper; Stainless Steel; Plastic; Acrylic; |
| Precision | 0.01-0.05mm or as your request |
| Color | Painting/anodizing/ Polish/silk screen/chromeplate/rubber/coating |
| Surface treatment | Anodizing, powder coating ,painting ,shot blasting, polishing ,electrical galvanizing, electrophoresis, chemical galvanizing, chrome plating , nickel plating, tumbling, passivate etc. |
| Finish | Polished,mirror polished,brushed, sandblasted, heat treatment etc. |
| Logo Method | Laser engraving, CNC engraving, screen-printing etc. |
| Packing | Cartons or up to your request |
| Transportation | International express by DHL, UPS, etc & by sea |
| Delivery | Within 30~35 workdays after deposit or payment received/ also up to the design |
| Payment terms | L/C, Paypal or 30% pre T/T 70% balance before shipment |
| Software | Solid work, Pro/E, AutoCAD CAM, Catia |
| Advantage | Compretitve price,high quality and good after-sales service, we have office in Germany |
###
| A Grade | B Grade | C Grade | D Grade | |
| Mould Base Standard | HASCO/DME | LKM | LKM | Chinese Local |
| Cavity steel | H13,2344,2343,8407 Heat Hard Steel | 718,738,P20HH, NAK80 | Local P20,WY718 | Aluminum,550C |
| Standard | HASCO,DME | LKM | Chinese Local | / |
| Mould Life | >500K-3000k | 300k-500k | 100k-300k | >10k |
| Runner | Hot runner,cold runner | Hot runner,cold runner | Cold runner | Cold runner |
| Mould Price | Most expensive | Expensive | Cost-effective | Cheap |
|
US $1-10 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal Forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery |
|---|---|
| Standard: | GB, EN, API650, China GB Code, JIS Code, TEMA, ASME, GB, En, API650, China GB Code, JIS Code, Tema, ASME, GB, En, API650, China GB Code, JIS Code, Tema, ASME, ASTM |
| Surface Treatment: | Polishing, Polishing |
| Production Type: | Batch Production, Batch Production |
| Machining Method: | CNC Machining, CNC Machining |
| Material: | Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron, Metal |
###
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Material | Metal; Aluminum; Brass; Bronze; Copper; Stainless Steel; Plastic; Acrylic; |
| Precision | 0.01-0.05mm or as your request |
| Color | Painting/anodizing/ Polish/silk screen/chromeplate/rubber/coating |
| Surface treatment | Anodizing, powder coating ,painting ,shot blasting, polishing ,electrical galvanizing, electrophoresis, chemical galvanizing, chrome plating , nickel plating, tumbling, passivate etc. |
| Finish | Polished,mirror polished,brushed, sandblasted, heat treatment etc. |
| Logo Method | Laser engraving, CNC engraving, screen-printing etc. |
| Packing | Cartons or up to your request |
| Transportation | International express by DHL, UPS, etc & by sea |
| Delivery | Within 30~35 workdays after deposit or payment received/ also up to the design |
| Payment terms | L/C, Paypal or 30% pre T/T 70% balance before shipment |
| Software | Solid work, Pro/E, AutoCAD CAM, Catia |
| Advantage | Compretitve price,high quality and good after-sales service, we have office in Germany |
###
| A Grade | B Grade | C Grade | D Grade | |
| Mould Base Standard | HASCO/DME | LKM | LKM | Chinese Local |
| Cavity steel | H13,2344,2343,8407 Heat Hard Steel | 718,738,P20HH, NAK80 | Local P20,WY718 | Aluminum,550C |
| Standard | HASCO,DME | LKM | Chinese Local | / |
| Mould Life | >500K-3000k | 300k-500k | 100k-300k | >10k |
| Runner | Hot runner,cold runner | Hot runner,cold runner | Cold runner | Cold runner |
| Mould Price | Most expensive | Expensive | Cost-effective | Cheap |
What is a bushing?
What is a bushing? Basically, bushings are spherical or spherical bearings for machines with sliding or rotating shaft assemblies. Due to their excellent load-carrying capacity and anti-friction properties, these bushings are used in almost all industrial applications. This makes them useful in industries such as construction, mining, agriculture, transportation, hydropower, food processing and material handling.
Shell information
The demand for bushings is closely related to the global transformer market. Growing renewable energy sources and high replacement rates of aging grid infrastructure are driving the global demand for transformer bushings. Increased urbanization is another factor driving the demand for transformer bushings. Among global regions, Asia Pacific is the largest market for medium voltage transformer bushings. The following section provides a detailed analysis of the market.
Bulk-type bushings are used for lower voltage ratings and consist of a center conductor stud or tube and an insulator housing. They are available in dry or oil filled versions, and their oil content is shared with the transformer main tank. However, the trend is slowly turning towards RIP bushings. Regardless of how different types of bushings are used, it is important to understand the difference between them.
A recent CZPT survey indicated that bushings account for 17% of all transformer failures. Among them, 30% caused fire accidents and 10% caused explosions. This is not a small risk, especially for such important electrical components as transformers. Because casing is so important, utilities are increasingly looking to preventative maintenance. However, this requires continuous monitoring of the bushing and its insulation. There are many benefits to using online condition monitoring.
One of the main benefits of locating and replacing faulty bushings is improved operability and safety. If you notice that your car is unstable in the corners, your bushings are worn. Anti-roll bar bushings can also be a sign of bushing damage. Do not ignore these warning signs as they can have dangerous consequences. To avoid these potential problems, make sure to get your vehicle serviced as soon as you notice any of these symptoms.
Be sure to park your vehicle on a level surface before you start changing your car bushings. You may need to unlock the hood latch and apply the brakes before continuing. Then, open the valve cover. This will allow you to see the engine area and bushings. You should also check that the wheels are not moving and avoid placing sharp objects in the engine bay. If you have time, open the hood and if you can see the bushings, turn on the headlights.
type
There are various types of bushings, each serving a different purpose. Oil-filled types are the most common and are designed for vertical installations. On the other hand, the embedded ferrule can accommodate the connection to the wire leads in the lower end of the ferrule. This feature significantly reduces the length of the sump end of the casing, but also adds additional complexity and cost.
There are two basic types of bushings. The first is a solid pour and the second is a capacitive graded variety. Solid cast bushings are typically used for low voltage transformer windings, while gas insulated bushings are insulated with pressurized gas. Gas-insulated bushings are also used in SF6 circuit breakers. If you are in the market for a new bushing, be sure to consider its cantilever strength and design.
Electrical bushings are an important part of various electrical equipment. They help carry high-voltage current through the enclosure and act as an insulator between a live conductor and a metal body at ground potential. Bulk-type bushings consist of a central conductive rod (usually copper or aluminum) and an insulator (silicone rubber compound or composite resin) surrounding the rod.
Transformers require transformer bushings. The construction and materials used in the bushing play a key role in the durability and longevity of the transformer. Transformers with weak bushings can fail, causing extensive damage. Moisture or voids can cause insulation breakdown, resulting in extensive electrical damage. Appropriate materials and optimized construction can reduce electric field stress and extend the life of the bushing.
Capacitor grading bushings are more expensive and are used in almost all high voltage systems. They use a conductive layer within the insulating layer between the center conductor and the insulator. Different manufacturers use different materials to produce these bushings. Earlier, capacitor grading bushings were made of concentric ceramic cylinders with metallized surfaces. They are also made from laminated cardboard tubes with conductive layers.
Function
A bushing is a support member that performs its function by acting as a washer and reducing noise and vibration. Bushings are used in valve covers and are made of corrosion-resistant materials to perform these functions. These products can be found in all types of machinery from cars to airplanes. Below are some common uses for bushings. Read on to discover more. Here are some of the most important features of the shell.
Electrical bushings transmit electricity. They can be used in circuit breakers, transformers, power capacitors and shunt reactors. The conductors of the bushing can be built directly into the bushing or through the bushing. Both current and voltage represent electricity. The bushing must have insulation capable of withstanding the voltage and its current-carrying conductors must be capable of carrying the rated current without overheating the adjacent insulation.
The bushing wraps around the stem, which is a relatively simple replacement part. It is a hardened part that prevents leaks and improves sealing. Plus, its low-cost replacement makes it a very easy-to-machine part. Bushings are also used in valves for guiding purposes. These two features make bushings an important part of many machines and applications. So, learn more about them.
Copper and brass are commonly used bushing materials. They have high compressive strength and high surface pressure. This material is suitable for bearings in low speed situations and heavy duty applications. Copper and brass are the most common types of casings, and they are both made in China. They are all relatively inexpensive and are available in a variety of materials and sizes. If you are considering purchasing a casing, keep in mind that it must meet national standards.
cost
Whether you’re looking for a replacement bushing for your rear suspension or just need to replace the fork, you have a few different options. The two main types of bushings are coated and uncoated. If you want to save money on bushing replacements, you should consider getting a cheaper lower fork. Whether you’re replacing bushings to improve ride quality or prevent damage to your wheel loader, you’ll find a bushing replacement option that fits your budget.
While most cars are compatible with bushings, some iconic parts from premium brands like BMW and Mercedes require special tools to replace. If you are not confident in your mechanical abilities, consider hiring a mechanic to do it. Mechanical replacement bushings typically range from $200 to $500. If you’re comfortable with mechanics and have some mechanical knowledge, you can save money by trying the job yourself. For example, control arm bushings range in price from $20 to $80. It is important to check the alignment after replacing the bushing to avoid further damage.
Control arm bushing replacements are usually relatively inexpensive, but you may need to replace several at the same time. You should check the prices of several mechanics before making a decision. You can easily save between $50 and $100 by comparing quotes. Plus, you’ll save a lot of money by finding the right mechanic for the job. You can also use an online comparison tool to compare prices. You can find a mechanic that suits your needs at an affordable price.
Control arm bushings are also an inexpensive way to replace parts of a car’s front or rear suspension. Typically, control arm bushings are made of two metal cylinders covered with a thick layer of rubber. They wear out due to accidents, potholes and off-roading. They are mounted with a bolt that goes through the inner barrel. It is important to replace these bushings as often as needed to improve operation.
editor by czh 2023-01-27
China manufacturer Double Row Angular Contact Ball Bearings 5211 with Good quality
Merchandise Description
Solution Description
What is an Angular Contact Ball Bearings&quest
Equivalent to other ball bearings, angular speak to ball bearings are compose of internal and outer races, ball enhance and bearing cage&semi even so, various to other ball bearings like a deep groove ball bearing, an angular speak to ball bearing is created with axially uneven race.
As a outcome, angular speak to ball bearings are much more appropriate for supporting “merged masses” &lparloading in equally the radial and axial instructions)&semi pure axial-load supporting in 1 direction is also possible. Normally talking, the supporting functionality for an axial load&semi and at the same time, the more compact the supporting functionality for a radial load.
According to angular contact ball bearings producers, single-row, and double-row angular make contact with ball bearings are both common kinds in the industry. A one row angular speak to ball bearings is suited for carrying axial-load acting in 1 route only&semi as a end result, they are generally used in pairs or multi-arrangement in many applications. A double row angular speak to ball bearing, however, is ideal for each an axial-load and a radial-load in each directions.
The place could we located CZPT angular contact ball bearings&quest
Single row angular speak to ball bearings are normally employed in machine instrument spindles, high frequency motors, gasoline turines, centrifugal separators, front hub of mini vehicles, differential pinions, and many others.
Double row angular make contact with ball bearings are thoroughly used in oil pumps, roots blowers, air compressors, various transmissions, printing equipment and gasoline injection bumps, and more.
Solution specification
Sorts of Ball Bearings
In their most simple kind, Ball Bearings have a single typical function – they are manufactured of metal. The majority of these bearings are produced of 52100 metal, which has one particular percent chromium and one p.c carbon. The metal can be hardened by warmth trea
tment. 440C stainless steel is utilised for rusting problems. A cage around the ball balls is typically made from thin steel. Nonetheless, some bearings use molded plastic cages to preserve money and friction.
Single-row styles
Metal linear translation stages often use one-row patterns for ball bearings. These sorts of bearings give easy linear journey and can withstand high loads. The substance metal has a substantial modulus of elasticity and a large stiffness, as effectively as a lower thermal growth than aluminum. For these motives, metal is the content of decision for a ball bearing in a typical user setting. One-row types for ball bearings are also ideal for apps in humid or corrosive environments.
Single-row patterns for ball bearings are accessible in a selection of measurements and are axially adjustable. They have a large radial capability, but require reasonably tiny area. Solitary-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are discovered by a suffix this kind of as NR. They could not have seals or shields set up.
These solitary-row angular contact ball bearings are able of supporting axial and radial masses. In a two-raceway arrangement, the radial load on bearing A triggers a radial load to act on bearing B. Each axial and radial forces are transmitted amongst one-row angular speak to ball bearings, and the ensuing internal force should be taken into account to estimate equal dynamic bearing masses P.
One-row deep groove ball bearings are the most widespread sort of ball bearings. These bearings are developed with only a single row of rolling factors. The single-row style is basic and sturdy, which can make it excellent for high-speed apps. Single-row patterns for ball bearings are also available in various bore sizes. They can also appear in a variety of designs and are non-separable. If you want a large-speed bearing, you may possibly want to decide for a double-row design.
In addition to one-row patterns for ball bearings, you can pick ceramic or steel ball bearings. Ceramic balls are considerably more difficult than steel balls, but they are not as hard as metal. Hence, ceramic bearings are stiffer than metal ball bearings, ensuing in elevated pressure on the outer race groove and reduce load potential. This is a fantastic advantage for individuals who need the bearings to be lightweight and sturdy.
The difference between single-row and double-row types is in the way that the inner and outer ring are installed. A solitary-row design and style places the interior ring in an eccentric position relative to the outer ring. The two rings are in speak to at one particular point, which triggers a large hole in the bearing. The balls are then inserted by way of the hole. As a consequence, the balls are evenly distributed through the bearing, which forces the inner and outer rings to turn into concentric.
Deep-groove ball bearings are a single of the most well-liked sorts of ball bearings. They are offered in distinct styles, like snap-ring, seal and defend preparations. The race diameter of a deep-groove ball bearing is near to the ball’s diameter. These types of bearings are suited for heavy masses, and their axial and radial help are exceptional. Their major downside is that the get in touch with angle cannot be adjusted to accommodate a extensive range of relative loads.
Ceramic hybrid ball bearings
Hybrid ball bearings with ceramic balls have several rewards. They feature enhanced kinematic behavior and require significantly less lubrication. Therefore, they can minimize running charges. Moreover, their reduced thermal expansion coefficient allows for more compact alterations in make contact with angle and preload variants, and they can retain tolerances. Additionally, ceramic hybrid ball bearings have considerably elevated existence spans in contrast to standard metal-metal ball bearings, with up to ten times the lifespan.
Despite the fact that ceramic bearings can be employed in automotive purposes, numerous folks believe that they are a poor option for bicycle hubs. They will not reduce weight and only function effectively in high-rpm environments. As a end result, numerous cyclists never even trouble with ceramic-based bearings. Nonetheless, equally Paul Lew and Alan are of the opinion that ceramic bearings are very best suited for industrial or health-related gear purposes. Furthermore, Paul and Alan imagine that they are ideal for substantial-altitude drone motors.
Another benefit of ceramic hybrid ball bearings is that they use considerably less friction than standard metal-dependent balls. They are also more sturdy, necessitating less lubrication than metal-based bearings. Moreover, the reduce friction and rolling resistance linked with ceramic-primarily based ball bearings means that they can very last 10 instances longer than metal-based bearings. A ceramic-based mostly hybrid ball bearing can be utilised for apps the place speed and lubrication are crucial.
Ceramic hybrid ball bearings attribute each metal and silicon nitride balls. Silicon nitride balls have fifty% more modulus of elasticity than steel balls and can boost precision and precision. Ceramic balls also have a smoother floor complete than steel balls, which decreases vibration and spindle deflection. These advantages end result in elevated speed and enhanced generation quality. In addition to this, ceramic balls can also lessen the functioning temperature, improving the operate setting.
Hybrid bearings are a popular different to steel bearings. They have some positive aspects over conventional steel bearings, and are turning out to be a well-known choice for engineered applications. Hybrid bearings are excellent for higher pace equipment. The materials used to manufacture ceramic balls is a large-quality alloy, and is comparatively inexpensive. But you should comprehend that lubrication is nevertheless needed for hybrid bearings. If you are not mindful, you might stop up throwing away cash.
These ball bearings can be employed in several industries and apps, and they are commonly compatible with most metals. The main advantage of hybrid ball bearings is that they are extremely resilient. Even though steel balls tend to corrode and use out, ceramic ball bearings can face up to these problems even though reducing routine maintenance and replacement costs. The rewards of hybrid ball bearings are clear. So, contemplate switching to these newer kinds of ball bearings.
Self-aligning ball bearings
Self-aligning ball bearings are a good decision for several apps. They are a wonderful substitute to standard ball bearings, and they are ideal for rotating applications in which the shaft must shift in many instructions. They are also perfect for use in rotating components in which a tight tolerance is required. You can select between two sorts: plain and flex shaft. Read on to uncover out which a single will fit your wants.
Self-aligning ball bearings are designed with a larger axial load carrying capability than single-row radial deep groove ball bearings. The quantity of axial load carrying capacity is dependent upon the strain angle. These bearings have a hollow raceway in the outer ring that allows the inner ring to pivot without having friction. They are usually utilised for substantial-speed applications. Simply because of their layout, they are extremely accurate.
Self-aligning ball bearings are radial bearings that characteristic two rows of balls in a spherical outer ring. They also function two deep uninterrupted raceway grooves in the inner ring. Their distinctive attributes make them an superb decision for apps in which shaft deflection is a significant factor. Despite their little measurement, they have a higher amount of precision and can face up to heavy masses.
Self-aligning ball bearings can compensate for misalignment in shaft purposes. The interior ring and ball assembly are positioned within an outer ring that contains a curved raceway. This spherical layout makes it possible for the balls and cage to deflect and re-align around the bearing middle. These bearings are also ideal for applications in which shaft deflection is important, this kind of as in basic woodworking equipment.
An additional kind of self-aligning ball bearing employs a typical concave outer race. The two balls and outer races automatically compensate for angular misalignment caused by machining, assembly, and deflections. When compared to spherical rollers, they have reduced frictional losses than their spherical counterparts. Self-alignment ball bearings also have reduce vibration levels in comparison to other varieties of bearings.
Self-aligning ball bearings work in misaligned programs due to the fact their spherical outer raceway can accommodate misalignment. This style permits them to function in apps in which shaft deflection or housing deformation is common. They are consequently a lot more suited for lower to medium-sized loads. The only genuine drawback to self-aligning ball bearings is their cost. If you need to have to acquire a self-aligning ball bearing for your up coming project, you can anticipate to pay out all around $1500.
