Product Description
Product Description
Deep groove ball bearing is simple in structure and convenient in use. It is the bearing with the largest production scale and the widest application range. Widely used in automobiles, household appliances, machine tools, motors, pumps, agricultural machinery, textile machinery and many other fields.
Bearing is an important basic component of all kinds of mechanical equipment, and its accuracy, performance, life and reliability play a decisive role in the accuracy, performance, life and reliability of the host. In mechanical products, bearings belong to high-precision products, not only need the comprehensive support of mathematics, physics and many other disciplines, but also need material science, heat treatment technology, precision machining and measurement technology, numerical control technology and effective numerical methods and powerful computer technology and many other disciplines to serve, so bearing is a representative of the national scientific and technological strength of the product.
Detailed Photos
Features
1- Long service life
2- Strong carrying capacity
3- Good vibration resistance
Product Parameters
| Outer material | 420 stainless steel |
| Inner ring material | 420 stainless steel |
| Steel ball material | 440 stainless steel |
| Cage material | SUS 430 |
| Dust cover material | RS |
| Oil and grease | SRL |
| Precision | P0 P6 P5 |
| Clearance | 8-13 |
| Machinable material | Carbon steel/Ceramic /PEEK/PTFE/POM/PE/420 /440 /316 /306 /SUS630 |
If you need order the bearings, pls tell me the size and material, if you do not have it, pls reference below picture:
Other Products
Packaging & Shipping
FAQ
Q: Are you trading company or manufacturer ?
A: We are manufacturer.
Q: How to order ?
A: Normally you can order our products by using Made-in China platform or contacting representatives by Email.
After we receive your messages, we will help you to choose the right specifications and other inquiries.
Then we will send an proforma invoice to you via mail, it includes details of your order and our bank information.
After we received your payment by TT, we will ship your goods and we will send the invoice, packing list, and the express tracking number via mail.
Q: What is our term of trade ?
A: Usually we use EX WORKS. If you need other term of trade, please let us know.
Q: How to pay ?
A: We accept the payment by T/T (bank transfer) or pay through Made-in China platform.
Please inquire us about the details in advance.
Q: How are you going to deliver our goods ?
A: We can ship your goods either by air express (FedEx, DHL, UPS, TNT etc) or by sea.
/* 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(/(.*?):(.*)$/))&&1
| Material: | Carbon Steel/Ceramic /Peek/PTFE/POM/PE/420 /440 /3 |
|---|---|
| Dust Cover Material: | RS |
| Oil and Grease: | SRL |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample Customed
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| 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.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
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 2024-05-17
China OEM Ll37 High Quality Deep Groove Ball Bearing 6202 2RS Zz 2RS Open 1 – 20 mm Industrial Packing Chrome Steel Gcr15 C2 C0 C3 C4 C5 Se bearing driver kit
Product Description
Product Description
| Bearing No. | Shape Dimension | Basic load Rating KN |
Max Speed rpm |
Mass | |||||
| Bore d |
Outer Diameter D |
Width B |
Radius r min | Dynamic | Static | Grease | Oil | ||
| mm | mm | mm | mm | Cr | Cor | Kg | |||
| 6000 Series | |||||||||
| 606 | 6 | 17 | 6 | 0.3 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 0.3 | 2.88 | 1.08 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 0.3 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 0.3 | 3.35 | 1.4 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 0.3 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 0.3 | 5.1 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 0.3 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 0.3 | 6 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 0.6 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 0.6 | 10.1 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 1 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 1 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 1 | 13.1 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 1 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 1 | 16.94 | 12.95 | 7000 | 9000 | 0.25 |
| 6011 | 55 | 90 | 18 | 1.1 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 1.1 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 1.1 | 24.66 | 19.74 | 6000 | 7000 | 0.41 |
| 6014 | 70 | 110 | 20 | 1.1 | 29.68 | 24.2 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 1.1 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 1.1 | 36.57 | 31.36 | 5000 | 6000 | 0.821 |
| 6017 | 85 | 130 | 22 | 1.1 | 39.04 | 33.75 | 4500 | 5600 | 0.848 |
| 6018 | 90 | 140 | 24 | 1.5 | 44.63 | 39.16 | 4300 | 5300 | 1.1 |
Company Profile
Packaging & Shipping
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
/* 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(/(.*?):(.*)$/))&&1
| Brand: | Koyo, Timken NSK NTN . |
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| Precision: | Z1V1 Z2V2 Z3V3 |
| Cage: | Steel, Nylon, Brass |
| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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 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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2024-05-17
China Custom Auto Bearing Deep Groove Ball Bearing carrier bearing
Product Description
Detailed Photos
- Bushing—customized size acceptable
- Flange bearing—-many items acceptable
- Ball bearing—–high quality of P6, P5, noise level Z2 Z3 Z4,quickly delivery
HangZhou Xihu (West Lake) Dis.sheng bearing Co.,ltd was formally established in 2013, located in Xihu (West Lake) Dis. District, HangZhou City, specializing in the research, development and production of various micro bearings.
The company has modern production equipment and advanced bearing manufacturing technology, in quality with a scientific attitude to achieve excellence. The main products are refer to metric and English deep groove ball bearings, stainless steel bearings, flange series bearings, plane thrust ball bearings, precision thin-wall, low-noise bearings, non-standard bearings and pulley series with inner diameter of 1-15mm and outer diameter of less than 25mm. Our products have passed the EU environmental protection certification and have ROHS test reports. They are exported to HongKong, Europe, America, South Korea, Japan and other places. The products are widely used in household appliances, Instruments, micro motors, medical devices, textile machinery, electric tools, high-end toys, fishing gear, model aircraft and so on. With the rapid development of market economy, more and more developed of internet, the product price is gradually transparent, the market competition is more and more big, our factory has focus on product quality, with high quality to win a place in the market. And our factory production Supervisor has engaged in the bearing industry for more than 15 years,he has skilled technology in bearing production process, and knows for product quality: “there is no best, but better”. Our factory always organize technical backbone to other units to visit and learn, hope to give customers a more satisfactory answer.
Our company focus on high quality and best service to our clients, high quality products will give our clients more help on business. Welcome friends from all over the world visit and contact with us for cooperation and developing together.
We have excellent equipment, advanced technology, high-precision tester, which greatly improve the processing accuracy, effectively ensure the quality of products, but also shorten the production cycle of products, and through technological innovation, constantly improve product quality, win the trust of customers.
Xihu (West Lake) Dis.sheng bearing is widely used in automobile, motorcycle, water pump, electric tool, air compressor, reducer, industrial motor, generator, textile machinery, agricultural machinery, transmission equipment, machine tool and so on.
Xihu (West Lake) Dis.sheng bearing is also widely used in home appliances and office equipment, such as air conditioner, washing machine, vacuum cleaner, massager, sewing machine, range hood, microwave oven, copier and so on.
Company Profile
/* 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(/(.*?):(.*)$/))&&1
| Material: | Chrome Steel |
|---|---|
| Tolerance: | P6 |
| Certification: | ISO9001 |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| 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. |
|---|
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.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
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 2024-05-16
China factory Deep Groove Ball/Ceramic/Rolling/Wheel/Thin Section/Auto Wheelengine/Auto/Square Bore/Needle Roller/Thrust Ball/Roller/ Taper Roller/Forklift Truck Bearing 7210 double row ball bearing
Product Description
The rings and balls of all-ceramic deep groove ball bearings are made of silicon nitride (Si3N4) ceramic material. This bearing can be designed as a full ball or with PTFE, PEEK or stainless steel 304/316 cage. PTFE is the default standard cage.
Full ceramic deep groove ball bearings have the characteristics of non-magnetic and electrical insulation, wear-resistant and corrosion-resistant, oil-free and self-lubricating, high temperature and cold resistance, and can be used in extremely harsh environments and special working conditions. It can be used in high temperature environment above 400ºC under the condition of full ball or equipped with stainless steel 316 cage. The PEEK cage can also be used at temperatures above 250°C. For CZPT temperatures (for example, lower than -70°C), full ceramic bearings with PTFE cages or stainless steel 316 cages can be used. Normally, the normal radial clearance is C0. When it is necessary to adapt to the extreme environment, other clearances can be customized.
| model | size(mm) | Installation size (mm) | weight | weight | ||||||
| da | Da | ra | (kg) | (kg) | ||||||
| d | D | B | r(min) | r1(min) | min | max | max | ZrO2 | Si3N4 | |
| 7900 | 10 | 22 | 6 | 0.3 | 0.15 | 12.5 | 19.5 | 0.3 | 0.007 | 0.0038 |
| 7000 | 26 | 8 | 0.3 | 0.15 | 12.5 | 23.5 | 0.3 | 0.014 | 0.0075 | |
| 7200 | 30 | 9 | 0.6 | 0.3 | 15 | 25 | 0.6 | 0.571 | 0.013 | |
| 7300 | 35 | 11 | 0.6 | 0.3 | 15 | 30 | 0.6 | 0.04 | 0.571 | |
| 7901 | 12 | 24 | 6 | 0.3 | 0.15 | 14.5 | 21.5 | 0.3 | 0.008 | 0.0042 |
| 7001 | 28 | 8 | 0.3 | 0.15 | 14.5 | 25.5 | 0.3 | 0.017 | 0.0092 | |
| 7201 | 32 | 10 | 0.6 | 0.3 | 17 | 27 | 0.6 | 0.571 | 0.015 | |
| 7301 | 37 | 12 | 1 | 0.6 | 18 | 31 | 1 | 0.046 | 0.571 | |
| 7902 | 15 | 28 | 7 | 0.3 | 0.15 | 17.5 | 25.5 | 0.3 | 0.012 | 0.0063 |
| 7002 | 32 | 9 | 0.3 | 0.15 | 17.5 | 29.5 | 0.3 | 0.571 | 0.013 | |
| 7202 | 35 | 11 | 0.6 | 0.3 | 20 | 30 | 0.3 | 0.035 | 0.019 | |
| 7302 | 42 | 13 | 1 | 0.6 | 21 | 36 | 1 | 0.064 | 0.035 | |
| 7903 | 17 | 30 | 7 | 0.3 | 0.15 | 19.5 | 27.5 | 0.3 | 0.013 | 0.0071 |
| 7003 | 35 | 10 | 0.3 | 0.15 | 19.5 | 32.5 | 0.3 | 0.032 | 0.017 | |
| 7203 | 40 | 12 | 0.6 | 0.3 | 22 | 35 | 0.6 | 0.052 | 0.571 | |
| 7303 | 47 | 14 | 1 | 0.6 | 23 | 41 | 1 | 0.087 | 0.047 | |
| 7904 | 20 | 37 | 9 | 0.3 | 0.15 | 22.5 | 34.5 | 0.3 | 0.571 | 0.015 |
| 7004 | 42 | 12 | 0.6 | 0.3 | 25 | 37 | 0.6 | 0.052 | 0.571 | |
| 7204 | 47 | 14 | 1 | 0.6 | 26 | 41 | 1 | 0.082 | 0.045 | |
| 7304 | 52 | 15 | 1.1 | 0.6 | 27 | 45 | 1 | 0.11 | 0.06 | |
| 7905 | 25 | 42 | 9 | 0.3 | 0.15 | 27.5 | 39.5 | 0.3 | 0.032 | 0.018 |
| 7005 | 47 | 12 | 0.6 | 0.3 | 30 | 42 | 0.6 | 0.061 | 0.033 | |
| 7205 | 52 | 15 | 1 | 0.6 | 31 | 46 | 1 | 0.099 | 0.054 | |
| 7305 | 62 | 17 | 1.1 | 0.6 | 32 | 55 | 1 | 0.18 | 0.098 | |
| 7906 | 30 | 47 | 9 | 0.3 | 0.15 | 32.5 | 44.5 | 1 | 0.04 | 0.571 |
| 7006 | 55 | 13 | 1 | 0.6 | 36 | 49 | 1 | 0.089 | 0.048 | |
| 7206 | 62 | 16 | 1 | 0.6 | 36 | 56 | 1 | 0.15 | 0.083 | |
| 7306 | 72 | 19 | 1.1 | 0.6 | 37 | 65 | 1 | 0.27 | 0.14 | |
| 7907 | 35 | 55 | 10 | 0.6 | 0.3 | 40 | 50 | 0.6 | 0.058 | 0.031 |
| 7007 | 62 | 14 | 1 | 0.6 | 41 | 56 | 1 | 0.12 | 0.063 | |
| 7207 | 72 | 17 | 1.1 | 0.6 | 42 | 65 | 1 | 0.22 | 0.12 | |
| 7307 | 80 | 21 | 1.5 | 1 | 44 | 71 | 1.5 | 0.36 | 0.19 | |
| 7908 | 40 | 62 | 12 | 0.6 | 0.3 | 45 | 57 | 0.6 | 0.09 | 0.05 |
| 7008 | 68 | 15 | 1 | 0.6 | 46 | 62 | 1 | 0.15 | 0.08 | |
| 7208 | 80 | 18 | 1.1 | 0.6 | 47 | 73 | 1 | 0.28 | 0.15 | |
| 7308 | 90 | 23 | 1.5 | 1 | 49 | 81 | 1.5 | 0.49 | 0.27 | |
| 7909 | 45 | 68 | 12 | 0.6 | 0.3 | 50 | 63 | 0.6 | 0.097 | 0.053 |
| 7009 | 75 | 16 | 1 | 0.6 | 51 | 69 | 1 | 0.19 | 0.1 | |
| 7209 | 85 | 19 | 1.1 | 0.6 | 52 | 78 | 1 | 0.32 | 0.175 | |
| 7309 | 100 | 25 | 1.5 | 1 | 54 | 91 | 1.5 | 0.64 | 0.345 | |
| 7910 | 50 | 72 | 12 | 0.6 | 0.3 | 55 | 67 | 0.6 | 0.1 | 0.06 |
| 7571 | 80 | 16 | 1 | 0.6 | 56 | 74 | 1 | 0.2 | 0.11 | |
| 7210 | 90 | 20 | 1.1 | 0.6 | 57 | 83 | 1 | 0.35 | 0.19 | |
| 7310 | 110 | 27 | 2 | 1 | 60 | 100 | 2 | 0.82 | 0.44 | |
| 7911 | 55 | 80 | 13 | 1 | 0.6 | 61 | 74 | 1 | 0.15 | 0.08 |
| 7011 | 90 | 18 | 1.1 | 0.6 | 62 | 83 | 1 | 0.29 | 0.16 | |
| 7211 | 100 | 21 | 1.5 | 1 | 64 | 91 | 1.5 | 0.48 | 0.26 | |
| 7311 | 120 | 29 | 2 | 1 | 65 | 110 | 2 | 1.05 | 0.57 | |
| 7912 | 60 | 85 | 13 | 1 | 0.6 | 66 | 79 | 1 | 0.15 | 0.08 |
| 7012 | 95 | 18 | 1.1 | 0.6 | 67 | 88 | 1 | 0.32 | 0.17 | |
| 7212 | 110 | 22 | 1.5 | 1 | 69 | 101 | 1.5 | 0.6 | 0.33 | |
| 7312 | 130 | 31 | 2.1 | 1.1 | 72 | 118 | 2 | 1.32 | 0.72 | |
| 7913 | 65 | 90 | 13 | 1 | 0.6 | 71 | 84 | 1 | 0.17 | 0.09 |
| 7013 | 100 | 18 | 1.1 | 0.6 | 72 | 93 | 1 | 0.34 | 0.18 | |
| 7213 | 120 | 23 | 1.5 | 1 | 74 | 111 | 1.5 | 0.77 | 0.42 | |
| 7313 | 140 | 33 | 2.1 | 1.1 | 77 | 128 | 2 | 1.62 | 0.88 | |
| 7914 | 70 | 100 | 16 | 1 | 0.6 | 76 | 94 | 1 | 0.27 | 0.15 |
| 7014 | 110 | 20 | 1.1 | 0.6 | 77 | 103 | 1 | 0.47 | 0.25 | |
| 7214 | 125 | 24 | 1.5 | 1 | 79 | 116 | 1.5 | 0.84 | 0.45 | |
| 7314 | 150 | 35 | 2.1 | 1.1 | 82 | 138 | 2 | 1.98 | 1.07 | |
| 7915 | 75 | 105 | 16 | 1 | 0.6 | 81 | 99 | 1 | 0.28 | 0.15 |
| 7015 | 115 | 20 | 1.1 | 0.6 | 82 | 108 | 1 | 0.5 | 0.27 | |
| 7215 | 130 | 25 | 1.5 | 1 | 84 | 121 | 1.5 | 0.92 | 0.5 | |
| 7916 | 80 | 110 | 16 | 1 | 0.6 | 86 | 104 | 1 | 0.3 | 0.16 |
| 7016 | 125 | 22 | 1.1 | 0.6 | 87 | 118 | 1 | 0.67 | 0.36 | |
| 7216 | 140 | 26 | 2 | 1 | 90 | 130 | 2 | 1.09 | 0.59 | |
| 7017 | 85 | 130 | 22 | 1.1 | 0.6 | 92 | 123 | 1 | 0.71 | 0.38 |
| 7217 | 150 | 28 | 2 | 1 | 95 | 140 | 2 | 1.35 | 0.73 | |
| 7918 | 90 | 125 | 18 | 1.1 | 0.6 | 97 | 118 | 1 | 0.45 | 0.24 |
| 7018 | 140 | 24 | 1.5 | 1 | 99 | 131 | 1.5 | 0.92 | 0.5 | |
| 7919 | 95 | 130 | 18 | 1.1 | 0.6 | 102 | 123 | 1 | 0.46 | 0.25 |
| 7019 | 145 | 24 | 1.5 | 1 | 104 | 136 | 1.5 | 0.95 | 0.51 | |
| 7920 | 100 | 140 | 20 | 1.1 | 0.6 | 107 | 133 | 1 | 0.64 | 0.35 |
| 7571 | 150 | 24 | 1.5 | 1 | 109 | 141 | 1.5 | 0.99 | 0.54 | |
| 7921 | 105 | 145 | 20 | 1.1 | 0.6 | 112 | 138 | 1 | 0.66 | 0.36 |
| 7922 | 110 | 150 | 20 | 1.1 | 0.6 | 117 | 143 | 1 | 0.69 | 0.37 |
About us
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 are 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.
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| Zro2 Weight: | 0.35 |
|---|---|
| Si3n4 Weight: | 0.19 |
| Model: | 7210 |
| R1(Min): | 0.6 |
| Contact Angle: | 15° |
| Aligning: | Aligning Bearing |
| Samples: |
US$ 2/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 Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-16
China Custom Active-Power Industries 61004 2z Deep Groove Ball Bearing 6417-2RS Single Row Deep Groove Ball Bearing China Distributors bearing driver kit
Product Description
ACTIVE-POWER INDUSTRIES 61004 2Z Deep Groove Ball Bearing 6417-2RS Single Row Deep Groove Ball Bearing China Distributors
Product Description
Deep groove ball bearings (GB/T 276-2003) The original list of radial ball bearings is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed and can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions and can also be used on parts that bear axial loads, such as small-power motors, Automotive and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.
Deep groove ball bearings are the most common type of rolling bearings:
The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls, and a set of cages. There are 2 types of deep groove ball bearings: single-row and double-row. The structure of deep groove balls is also divided into 2 types: sealed and open. The open type means that the bearing does not have a sealed structure. seal. The material of the dust-proof sealing cover is stamped steel plate, which simply prevents dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.
The type code of single row deep groove ball bearing is 6, and the code name of double row deep groove ball bearing is 4. Its structure is simple, and easy to use, and it is the most commonly produced and widely used type of bearing.
According to the size of deep groove ball bearings, they can be divided into:
(1) Miniature bearings – bearings with a nominal outer diameter of 26mm or less;
(2) Small bearings – bearings with a nominal outer diameter ranging from 28 to 55mm;
(3) Small and medium-sized bearings – bearings with a nominal outer diameter ranging from 60-115mm;
(4) Medium and large bearings – bearings with a nominal outer diameter ranging from 120-190mm
(5) Large bearings – bearings with a nominal outer diameter ranging from 200-430mm;
(6) Extra-large bearings – bearings with a nominal outer diameter of 440mm or more.
Product Parameters
| Product Name | Deep Groove Ball Bearing |
| Material | Gcr15 |
| Size | 5mm-500mm |
| Precision Rating | P0 P6 P5 P4 P2 |
| Clearance | C2 C0 C3 C4 C5 |
| Seals Type | Z ZZ 2RS ZNR 2RS1 2RSH 2RSL 2RZ 2Z 2ZNR, Z ZZ 2RS ZNR 2RS1 2RSH 2RSL 2RZ 2Z 2ZNR |
| CHROME STEEL* | Dimensions in mm unless otherwise specified | ||||||
| Bore | O.D. | Width | Open Bearing | Shielded Bearing | Sealed Bearing | Basic Load Ratings | |
| KN | |||||||
| HNS | HNS | HNS | dynamic | static | |||
| Reference | Reference | Reference | C | Co | |||
| 20 | 42 | 12 | 6004 | 6004ZZ | 6004-2RS | 7.22 | 4.46 |
| 47 | 14 | 6204 | 6204ZZ | 6204-2RS | 12.7 | 6.5 | |
| 52 | 15 | 6304 | 6304ZZ | 6304-2RS | 15.9 | 7.8 | |
| 25 | 47 | 12 | 6005 | 6005ZZ | 6005-2RS | 10.1 | 5.85 |
| 52 | 15 | 6205 | 6205ZZ | 6205-2RS | 14 | 7.8 | |
| 62 | 17 | 6305 | 6305ZZ | 6305-2RS | 22.5 | 11.6 | |
| 80 | 21 | 6405 | 6405ZZ | 6405-2RS | 36.1 | 19.4 | |
| 30 | 55 | 13 | 6006 | 6006ZZ | 6006-2RS | 10.2 | 6.91 |
| 62 | 16 | 6206 | 6206ZZ | 6206-2RS | 19.5 | 11.2 | |
| 72 | 19 | 6306 | 6306ZZ | 6306-2RS | 28.1 | 16 | |
| 90 | 23 | 6406 | 6406ZZ | 6406-2RS | 43.4 | 23.9 | |
| 35 | 62 | 14 | 6007 | 6007ZZ | 6007-2RS | 16 | 10.3 |
| 72 | 17 | 6207 | 6207ZZ | 6207-2RS | 25.5 | 15.3 | |
| 80 | 21 | 6307 | 6307ZZ | 6307-2RS | 33.2 | 19 | |
| 100 | 25 | 6407 | 6407ZZ | 6407-2RS | 55 | 31 | |
| 40 | 68 | 15 | 6008 | 6008ZZ | 6008-2RS | 13 | 11.5 |
| 80 | 18 | 6208 | 6208ZZ | 6208-2RS | 29.8 | 18 | |
| 90 | 23 | 6308 | 6308ZZ | 6308-2RS | 39.8 | 23.3 | |
| 110 | 27 | 6408 | 6408ZZ | 6408-2RS | 65.5 | 37.5 | |
| 45 | 75 | 16 | 6009 | 6009ZZ | 6009-2RS | 21 | 14.9 |
| 85 | 19 | 6209 | 6209ZZ | 6209-2RS | 32.2 | 21 | |
| 100 | 25 | 6309 | 6309ZZ | 6309-2RS | 51.1 | 30.5 | |
| 120 | 29 | 6409 | 6409ZZ | 6409-2RS | 77.5 | 45.5 | |
| 50 | 80 | 16 | 6571 | 6571ZZ | 6571-2RS | 22 | 16.2 |
| 90 | 20 | 6210 | 6210ZZ | 6210-2RS | 34 | 22.5 | |
| 110 | 27 | 6310 | 6310ZZ | 6310-2RS | 59.9 | 36.9 | |
| 130 | 31 | 6410 | 6410ZZ | 6410-2RS | 92.2 | 55.2 | |
| 55 | 90 | 18 | 6011 | 6011ZZ | 6011-2RS | 30.4 | 22 |
| 100 | 21 | 6211 | 6211ZZ | 6211-2RS | 43.3 | 28.1 | |
| 120 | 29 | 6311 | 6311ZZ | 6311-2RS | 71.5 | 44.6 | |
| 140 | 33 | 6411 | 6411ZZ | 6411-2RS | 100 | 62.5 | |
| 60 | 95 | 18 | 6012 | 6012ZZ | 6012-2RS | 30.7 | 22.7 |
| 110 | 22 | 6212 | 6212ZZ | 6212-2RS | 46.1 | 31.5 | |
| 130 | 31 | 6312 | 6312ZZ | 6312-2RS | 79.4 | 50.4 | |
| 150 | 35 | 6412 | 6412ZZ | 6412-2RS | 109 | 70 | |
| 65 | 100 | 18 | 6013 | 6013ZZ | 6013-2RS | 32.1 | 24.9 |
| 120 | 23 | 6213 | 6213ZZ | 6213-2RS | 54.2 | 39.3 | |
| 140 | 33 | 6313 | 6313ZZ | 6313-2RS | 89.5 | 59.7 | |
| 160 | 37 | 6413 | 6413ZZ | 6413-2RS | 118 | 78.5 | |
| 70 | 110 | 20 | 6014 | 6014ZZ | 6014-2RS | 38.6 | 30.6 |
| 125 | 24 | 6214 | 6214ZZ | 6214-2RS | 58.9 | 43.6 | |
| 150 | 35 | 6314 | 6314ZZ | 6314-2RS | 101 | 66 | |
| 180 | 42 | 6414 | 6414ZZ | 6414-2RS | 140 | 99.5 | |
| 75 | 115 | 20 | 6015 | 6015ZZ | 6015-2RS | 31 | 33.1 |
| 130 | 25 | 6215 | 6215ZZ | 6215-2RS | 64.3 | 47.5 | |
| 160 | 37 | 6315 | 6315ZZ | 6315-2RS | 111 | 74.2 | |
| 190 | 45 | 6415 | 6415ZZ | 6415-2RS | 154 | 115 | |
| 80 | 125 | 22 | 6016 | 6016ZZ | 6016-2RS | 47.5 | 39.8 |
| 140 | 26 | 6216 | 6216ZZ | 6216-2RS | 68.1 | 53.3 | |
| 170 | 39 | 6316 | 6316ZZ | 6316-2RS | 120 | 83.9 | |
| 200 | 48 | 6416 | 6416ZZ | 6416-2RS | 163 | 125 | |
| 85 | 130 | 22 | 6017 | 6017ZZ | 6017-2RS | 50.8 | 42.8 |
| 150 | 28 | 6217 | 6217ZZ | 6217-2RS | 83.2 | 64 | |
| 180 | 41 | 6317 | 6317ZZ | 6317-2RS | 132 | 96.5 | |
| 210 | 52 | 6417 | 6417ZZ | 6417-2RS | 175 | 138 | |
| 90 | 140 | 24 | 6018 | 6018ZZ | 6018-2RS | 58 | 49.8 |
| 160 | 30 | 6218 | 6218ZZ | 6218-2RS | 92.7 | 71.3 | |
| 190 | 43 | 6318 | 6318ZZ | 6318-2RS | 145 | 108 | |
| 225 | 54 | 6418 | 6418ZZ | 6418-2RS | 192 | 158 | |
| 95 | 145 | 24 | 6019 | 6019ZZ | 6019-2RS | 57.8 | 50 |
| 170 | 32 | 6219 | 6219ZZ | 6219-2RS | 105 | 79.1 | |
| 200 | 45 | 6319 | 6319ZZ | 6319-2RS | 157 | 122 | |
| 100 | 150 | 24 | 6571 | 6571ZZ | 6571-2RS | 64.5 | 56.2 |
| 180 | 34 | 6220 | 6220ZZ | 6220-2RS | 118 | 88.4 | |
| 215 | 47 | 6320 | 6320ZZ | 6320-2RS | 173 | 140 | |
| 105 | 160 | 26 | 6571 | 6571ZZ | 6571-2RS | 71.8 | 63.2 |
| 190 | 36 | 6221 | 6221ZZ | 6221-2RS | 126 | 98.8 | |
| 225 | 49 | 6321 | 6321ZZ | 6321-2RS | 173 | 145 | |
| 110 | 170 | 28 | 6571 | 6571ZZ | 6571-2RS | 81.9 | 72.9 |
| 200 | 38 | 6222 | 6222ZZ | 6222-2RS | 136 | 112 | |
| 240 | 50 | 6322 | 6322ZZ | 6322-2RS | 193 | 171 | |
| 120 | 180 | 28 | 6571 | 6571ZZ | 6571-2RS | 88.7 | 79.7 |
| 215 | 40 | 6224 | 6224ZZ | 6224-2RS | 139 | 112 | |
| 260 | 55 | 6324 | 6324ZZ | 6324-2RS | 217 | 196 | |
| 130 | 200 | 33 | 6026 | 6026ZZ | 6026-2RS | 105 | 96.8 |
| 230 | 40 | 6226 | 6226ZZ | 6226-2RS | 148 | 125 | |
| 280 | 58 | 6326 | 6326ZZ | 6326-2RS | 218 | 205 | |
| 140 | 210 | 33 | 6571 | 6571ZZ | 6571-2RS | 116 | 108 |
| 250 | 42 | 6228 | 6228ZZ | 6228-2RS | 179 | 167 | |
| 300 | 62 | 6328 | 6328ZZ | 6328-2RS | 275 | 272 | |
| 150 | 225 | 35 | 6030 | 6030ZZ | 6030-2RS | 132 | 125 |
| 270 | 45 | 6230 | 6230ZZ | 6230-2RS | 190 | 183 | |
| 160 | 240 | 38 | 6032 | 6032ZZ | 6032-2RS | 145 | 138 |
| 290 | 48 | 6232 | 6232ZZ | 6232-2RS | 215 | 218 | |
Company Profile
HangZhou Active-Power Industrial. is located in HangZhou, ZheJiang , China. The factory has been committed to the production research and development of bearings for more than 20 years. We support OEM and ODM bearing customization.
The main products are: Deep Groove Ball Bearing Taper Roller Bearing Tapered Roller Bearing Auto Wheel Hub Bearing Cylindrical Roller Bearing Spherical Roller Bearing Motor Bearing Needle Roller Bearing Angular Contact Ball Bearing.
FAQ
Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;
2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;
3>. Offer highly cost-effective and complete solution program according to site conditions;
4>. Offer localized program on introduced equipment to save running cost
Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;
2>.Help customers with trouble diagnosis and failure analysis;
3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.
Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request.
2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.
3>.OEM or Non-Stand Bearings:
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4>.Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
5>. After-Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6>.Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
7>.Cost Saving:
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.
Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process
Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem
Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements
/* 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(/(.*?):(.*)$/))&&1
| Product Name: | Auto Bearing |
|---|---|
| Keywords: | Deep Groove Ball Bearing |
| Precision Rating: | P0 P6 P5 P4 P2 |
| Width Size: | 9mm-300mm |
| Diameter Size: | 30mm-1600mm |
| Inner Diameter Size: | 10mm-1320mm |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
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 2024-05-16
China wholesaler Popular Product Deep Groove Ball Bearings 6213 Llu carrier bearing
Product Description
We produce and export deep groove ball bearing both Metric and Inch size to many coutries and get good feedback from customer about the following size and series:
| 6000 | 6200 | 6300 | 6403 | RLS4 | 6800 | 62201 | 6900 | 67/2.5 |
| 6001 | 6201 | 6301 | 6404 | RLS5 | 6801 | 62202 | 6901 | 673 |
| 6002 | 6202 | 6302 | 6405 | RLS6 | 6802 | 62203 | 6902 | 674 |
| 6003 | 6203 | 6303 | 6406 | RLS7 | 6803 | 62204 | 6903 | 675 |
| 6004 | 6204 | 6304 | 6407 | RLS8 | 6804 | 62205 | 6904 | 676 |
| 6005 | 6205 | 6305 | 6408 | RLS9 | 6805 | 62206 | 6905 | 677 |
| 6006 | 6206 | 6306 | 6409 | RLS10 | 6806 | 62207 | 6906 | 678 |
| 6007 | 6207 | 6307 | 6410 | RLS11 | 6807 | 62208 | 6907 | 679 |
| 6008 | 6208 | 6308 | 6411 | RLS12 | 6808 | 62209 | 6908 | 681 |
| 6009 | 6209 | 6309 | 6412 | RMS4 | 6809 | 62210 | 6909 | 68/1.5 |
| 6571 | 6210 | 6310 | 6413 | RMS5 | 6810 | 6910 | 682 | |
| 6011 | 6211 | 6311 | 6414 | RMS6 | 6811 | 62301 | 6911 | 68/2.5 |
| 6012 | 6212 | 6312 | 6415 | RMS7 | 6812 | 62302 | 6912 | 683 |
| 6013 | 6213 | 6313 | 6416 | RMS8 | 6813 | 62303 | 6913 | 684 |
| 6014 | 6214 | 6314 | 6417 | RMS9 | 6814 | 62304 | 6914 | 685 |
| 6015 | 6215 | 6315 | 6418 | RMS10 | 6815 | 62305 | 6915 | 686 |
| 6016 | 6216 | 6316 | 6700 | 60/1.5 | 6816 | 62306 | 6916 | 687 |
| 6017 | 6217 | 6317 | 6701 | 602 | 6817 | 62307 | 6917 | 688 |
| 6018 | 6218 | 6318 | 6702 | 60/2.5 | 6818 | 62308 | 6918 | 689 |
| 6019 | 6219 | 6319 | 6703 | 603 | 6819 | 62309 | 6919 | 691 |
| 6571 | 6220 | 6320 | 6704 | 604 | 6820 | 62310 | 6920 | 69/1.5 |
| 6571 | 6221 | 6321 | 6705 | 605 | 6821 | 6921 | 692 | |
| 6571 | 6222 | 6322 | 6706 | 606 | 6822 | 63001 | 6922 | 69/2.5 |
| 6571 | 6224 | 6324 | R6 | 607 | 6824 | 63002 | 6924 | 693 |
| 6026 | 6226 | 6326 | R8 | 608 | 6826 | 63003 | 6926 | 694 |
| 6571 | 6228 | 6328 | R10 | 609 | 6828 | 63004 | 6928 | 695 |
| 6030 | 6230 | 6330 | R12 | 623 | 6830 | 63005 | 6930 | 696 |
| 6032 | 6232 | 6332 | R14 | 624 | 6832 | 63006 | 6932 | 697 |
| 6034 | 6234 | 6334 | R16 | 625 | 6834 | 63007 | 6934 | 698 |
| 6036 | 6236 | 6336 | R18 | 626 | 6836 | 63008 | 6936 | 699 |
| 6038 | 6238 | 6338 | R20 | 627 | 6838 | 63009 | 6938 | |
| 6040 | 6240 | 6340 | R22 | 628 | 6840 | 63571 | 6940 | |
| 6244 | 6344 | R24 | 629 |
EMAIL ME NOW FOR MORE PHOTOS AND INTRODUCTION ! /* 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(/(.*?):(.*)$/))&&1
| Precision Rating: | P6, P5, P4, P2, P1, P0 |
|---|---|
| Prive: | Competitive |
| Place of Origin: | Hebei, China |
| Quality: | High-Quality |
| Number of Row: | Single Row |
| Model Number: | 6213 |
| Samples: |
US$ 6.7/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-16
China Hot selling for Turbocharger Bearing 636 Zz 636 2RS Low Noise Chrome Steel Deep Groove Ball Bearing 636 6X22X7mm bearing driver
Product Description
About Deep Groove Ball Cearing
6000 Series – Extra Light Ball Bearings – Ideal for limited space applications
602 603 604 605 606 607 608 609 623 624 625 626 627 628 629 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6571 6011 6012 6013 6014 6015 6016 6017 6018
6019 6571 6571 6571 6571 6026 6571 6030 6032 6034 6036 6038 6040 6044 6048 6052 6056 6060 6064
6068 6072 6080 6088 6092 bearing
6200 Series – Light Series Ball Bearings – Balanced between space and load capacity
6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219
6220 6221 6222 6224 6226 6228 6230 6232 6234 6236 6238 6240 6244 6248 6252 6256 6260 6264 6268
6272 6276 6280 Z/ZZ/2Z/2RS/M/N/CM C3 bearing
6300 Series – Medium Series Ball Bearings – Ideal for heavier load capacity applications
6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318
6319 6320 6321 6322 6324 6326 6328 6330 6332 6334 6336 6338 6340 6344 6348 6352 6356 6360 6364
6368 bearing
61800 61801 61802 61803 61804 61805 61806 61807 61808 61809 61810 61811 61812 61813 61814 61815
61816 61817 61818 61819 61820 61821 61822 61824 61826 61828 61829 61830 61832 61834 61836 61838
61840 61844 61848 61852 61856 61860M 61864M 61868M 61872M 61876M 61880M 61884M 61888M
61892M 61896M bearing
61900 61901 61902 61903 61904 61905 61906 61907 61908 61909 61910 61911 61912 61913 61914 61915
61916 61917 61918 61919 61920 61921 61922 61924 61926 61928mA 61230mA 61932mA 61934mA 61936mA
61938mA 61940mA 61944mA 61948mA 61952mA 61956mA 61956mA 61960mA 61964mA 61968mA 61972mA
61976mA 61980mA bearing
Basic Info
| Model | d (mm) | D (mm) | H (mm) | W (kg) |
| 6008 | 40 | 68 | 15 | 0.185 |
| 6009 | 45 | 75 | 16 | 0.231 |
| 6571 | 50 | 80 | 16 | 0.25 |
| 6011 | 55 | 90 | 18 | 0.362 |
| 6012 | 60 | 95 | 18 | 0.385 |
| 6013 | 65 | 100 | 18 | 0.408 |
| 6014 | 70 | 110 | 20 | 0.62 |
| 6015 | 75 | 115 | 20 | 0.63 |
| 6016 | 80 | 125 | 22 | 0.86 |
| 6017 | 85 | 130 | 22 | 0.94 |
| 6018 | 90 | 140 | 24 | 1.38 |
| 6019 | 95 | 145 | 24 | 1.5 |
| 6571 | 100 | 150 | 24 | 1.63 |
| 6571 | 110 | 170 | 28 | 2.35 |
| 6206 | 30 | 62 | 16 | 0.21 |
| 6207 | 35 | 72 | 17 | 0.288 |
| 6208 | 40 | 80 | 18 | 0.368 |
| 6209 | 45 | 85 | 19 | 0.416 |
| 6210 | 50 | 90 | 20 | 0.463 |
| 6211 | 55 | 100 | 21 | 0.603 |
| 6212 | 60 | 110 | 22 | 0.789 |
| 6213 | 65 | 120 | 23 | 0.99 |
| 6214 | 70 | 125 | 24 | 1.084 |
| 6215 | 75 | 130 | 25 | 1.171 |
| 6216 | 80 | 140 | 26 | 1.448 |
| 6217 | 85 | 150 | 28 | 1.803 |
| 6218 | 90 | 160 | 30 | 2.71 |
| 6219 | 95 | 170 | 32 | 2.62 |
| 6220 | 100 | 180 | 34 | 3.19 |
| 6305 | 25 | 62 | 17 | 0.232 |
| 6306 | 30 | 72 | 19 | 0.346 |
| 6307 | 35 | 80 | 21 | 0.457 |
| 6308 | 40 | 90 | 23 | 0.639 |
| 6309 | 45 | 100 | 25 | 0.837 |
| 6310 | 50 | 110 | 27 | 1.082 |
| 6311 | 55 | 120 | 29 | 1.367 |
| 6312 | 60 | 130 | 31 | 1.71 |
| 6313 | 65 | 40 | 33 | 2.1 |
| 6314 | 70 | 150 | 35 | 2.55 |
| 6315 | 75 | 160 | 37 | 3.05 |
| 6316 | 80 | 170 | 39 | 3.61 |
| 6317 | 85 | 180 | 41 | 4.284 |
| 6318 | 90 | 190 | 43 | 4.97 |
| 6319 | 95 | 200 | 45 | 5.74 |
| 6320 | 100 | 215 | 47 | 7.09 |
| 6403 | 17 | 62 | 17 | 0.27 |
| 6404 | 20 | 72 | 19 | 0.4 |
| 6405 | 25 | 80 | 21 | 0.53 |
| 6406 | 30 | 90 | 23 | 0.735 |
| 6407 | 35 | 100 | 25 | 0.952 |
| 6408 | 40 | 110 | 27 | 1.221 |
| 6409 | 45 | 120 | 29 | 1.52 |
| 6410 | 50 | 130 | 31 | 1.855 |
| 6411 | 55 | 140 | 33 | 2.316 |
| 6412 | 60 | 150 | 35 | 2.811 |
| 6413 | 65 | 160 | 37 | 3.342 |
| 6414 | 70 | 180 | 42 | 4.896 |
| 6415 | 75 | 190 | 45 | 5.739 |
| 6416 | 80 | 200 | 48 | 6.752 |
| 6417 | 85 | 210 | 52 | 7.933 |
| 6418 | 90 | 225 | 54 | 9.56 |
*Rolling and pressing are used in industrial equipment in concentrators, mining, and smelters.
*High-spec bearings for Electromechanical equipment used in power stations, gas turbines, and electric motor installations.
*Packaging and printing, packaging equipment, food machinery and equipment, independent bearings and outer spherical bearings.
*Plastics, chemical fiber machinery, plastic film stretching, independent bearings and high-temperature bearings.
*Precision bearings for small toys, clocks, electronic equipment, audio-visual products, mechanical equipment.
Product Application
Company Profile
ZheJiang Haina Bearing Co., Ltd. is an integrated company of industry and trade. Since its establishment, it has been committed to the research and development, production, and sales of high-end 7 types of tapered roller bearings, British non-standard bearings, deep groove ball bearings, and outer spherical bearings. We can customize and adjust various types of bearings according to customer needs. The products are widely applicablein fields such as automobiles, mines, chemicals, metallurgy, reducers, engineering machinery, agricultural machinery, and electric motors.
Our company has advanced testing equipment, forming a production model of product serialization and mass production. We have a group of experienced and skilled management personnel, who have introduced advanced production equipment and measuringand testing equipment. From the purchase of bearing raw materials to the delivery of finished products, we strictly control the entire process, ensuring the quality of the products.The products have the characteristics of precision, low noise, high load-bearing capacity and long service life.
FAQ
1.Are you trading company or manufacturer?
We are factory.
2.How long is your delivery time?
Generally it is 5-10 days if the goods arein stock.or it is 10-20 days if the goods are not in stock, it is according to quantity
3.Do you provide samples? is it free or extra?
Yes.we could offer the sample for free charge but do not pay the cost of freight.
Pls don’t hesitate to let us know if you have any problem /* 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(/(.*?):(.*)$/))&&1
| Model No.: | 6013 6014 6015 6016 6017 |
|---|---|
| OEM: | Acceptable |
| Quality: | P0 P2 P4 P5 P6 |
| Number of Row: | Single Rows |
| Single Row ID Size Range: | 65-85mm |
| Single Row Od Size Range: | 100-130mm |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
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 Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
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 2024-05-16
China manufacturer High Precision Auto Parts Deep Groove Ball Bearing Impact Resistant Tensioner Bearing drive shaft bearing
Product Description
High Precision Auto Parts Deep Groove Ball Bearing Impact Resistant Tensioner Bearing
Product Parameters
| Product Name: | Tensioner Bearing |
| Model Number: | 471Q |
| Outer Diameter(mm) | 55 |
| Height(mm) | 13 |
| Material | Chrome steel |
| Sealed type | OPEN,RZ,2RS,4RS |
| Tolerance | P0,P6,P5,P4,P2 |
| Clearance | C2,C0,C3,C4,C5 |
| Noize level | Z,Z1,Z2,Z3 |
| Application | Automotive Car |
| OEM Service | Accept |
Product Description
Tensioner Bearing:
-The bearings are adopted optimized structure designing so that can attain the traits of high temperature resistant, high speed resistant, long life, high speed rotation,impact resistant,high radial load,etc.
-Sealing structure and seals have the traits of high sealing ability, heat-resistant, abrasiveness and also can prevent the leakage of the grease, as they are helpful for lengthening the bearings’ using life.
Detailed Photos
More Products
Quality Control
Company Profile
ZHangZhouG SHENG YA BEARING TECHNOLOGY CO,LTD.was founded in 1996, covering an area of more than 10,000 square meters, with as sets of more than 50 million yuan, and more than 80 employees, including more than 10 professional and technical personnel with intermediate and senior professional titles. lt specializes in the production of automotive bearings motorcycle bearings, general machine bearings, precision machine tool bearings and home appliance bearings, with an annual production capacity of 10 million sets of small and medium-sized bearings.
Our company undertakes various types of non-standard special-shaped bearings, with a wide variety and fine workmanship. lt is located in Wen.ling, HangZhou City, an important industrial, commercial and tourist city in ZHangZhoug Province, with superior geographical location and convenient transportation.
FAQ
Q1:ls your company factory or Trade Company?
A:We have our own factory, our type is factory +trade.
Q2: Could you accept OEM and customize?
A:Yes, we can customize it for you according to the sample or drawing.
Q3: What is the MOQ of your company?
A:Our MOQ is normally 10pcs, anyway lower MOQ is also acceptable with a little higher cost, as the more you purchase the cheaper cost you could get.
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | One Year Warranty |
|---|---|
| Warranty: | One Year Warranty |
| Type: | Tensioner Bearing |
| Samples: |
US$ 2/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. |
|---|
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.
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 2024-05-15
China wholesaler Deep Groove Ball Bearing Auto Wheel Bearings for Auto Parts with Good quality
Product Description
Product Description
| MODEL NAME | DN D1 mm | TOLERANCE D1 mm | D D2 mm | TOLERANCE D2 mm | HEIGHT H mm | TOLERANCE H mm |
| BR-30001 | 30 | -0.012 | 55 | -0.013 | 13 | -0.12 |
| BR-30002 | 30 | -0.012 | 55 | -0.013 | 19 | -0.12 |
| BR-30003 | 30 | -0.012 | 62 | -0.013 | 16 | -0.12 |
| BR-35001 | 35 | -0.012 | 62 | -0.013 | 14 | -0.12 |
| BR-35002 | 35 | -0.012 | 62 | -0.013 | 20 | -0.12 |
| BR-35003 | 35 | -0.012 | 72 | -0.013 | 25 | -0.12 |
| BR-35004 | 35 | -0.012 | 62 | -0.013 | 16 | -0.12 |
Company Profile
ZHangZhoug Shengya Bearing Technology Co. , Ltd. was foun
ded in 1996, covers an area of more than
10,000 square meters, has assets of more than 50 million yuan,
more than 80 employees, including more
than 10 professional and technical personnel with middle and se
nior professional titles, specializing in the
production of automotive bearings, motorcycle bearings, general
bearings, precision machine tool bear
ings and home appliances bearings, with an annual output of 10
million sets of small and medium-sized
bearings production capacity. The company to undertake various
types of non-standard special-shaped
bearings, a wide variety of fifine workmanship. Located in HangZhou
, an important industrial, commercial
and tourist city in ZHangZhoug Province, it is well-located with
our customers to provide quality service. We wish to cooperate convenient transportation. Scorpion sincere for
sincerely with you. For a better tomorrow.
/* 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(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Axial Bearing |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2024-05-14
China Custom Cg Star German Craftsmanship 3D Printer Rowing Machine Seat Roller 6312 60*130*31mm Deep Groove Ball Bearing with Good quality
Product Description
Deep groove ball bearing
Product Description
Deep groove ball bearings are the most typical rolling bearings with the charac- teristics of simply designed structuresconvenience in operation and extensive applications.They are designed as non-separable bearingsThe raceways in both of the rings are in arc groove form.which can carry radial load and doubl direc tions axial load.They are of features of low friction factor,high limit rotational speed and can be applied in tuations where hihg-rotating speed and low noise and low vibration are required.Applications of these bearings can be found in automobiles,machine tools,motorsinstruments,nstruction machines,railway vehicle,agricutural machines and various other special machines.
Detailed Photos
Certifications
| Place of Origin | ZheJiang ,China |
| Type | BALL |
| Structure | Deep Groove |
| Material | Gcr15 |
| Application | Machinery |
| Lubrication | Oil or Grease |
| Feature | Long Life High Speed |
| Service | OEM Available |
|
6200 Series Deep Groove Ball Bearings |
|||
|
Model Number |
Bore diameter |
Outside diameter |
Width |
|
6200 |
10 |
30 |
9 |
|
6201 |
12 |
32 |
10 |
|
6202 |
15 |
35 |
11 |
|
6203 |
17 |
40 |
12 |
|
6204 |
20 |
47 |
14 |
|
6205 |
25 |
52 |
15 |
|
6206 |
30 |
62 |
16 |
|
6207 |
35 |
72 |
17 |
|
6208 |
40 |
80 |
18 |
|
6209 |
15 |
85 |
19 |
|
6210 |
50 |
90 |
20 |
|
6211 |
55 |
100 |
21 |
|
6212 |
60 |
110 |
22 |
|
6213 |
65 |
120 |
23 |
|
6214 |
70 |
125 |
24 |
|
6215 |
75 |
130 |
25 |
|
6216 |
80 |
140 |
26 |
|
6217 |
85 |
150 |
28 |
|
6218 |
90 |
160 |
30 |
|
6219 |
95 |
170 |
32 |
|
6220 |
100 |
180 |
34 |
|
6221 |
105 |
190 |
36 |
|
6222 |
110 |
200 |
38 |
|
6224 |
120 |
215 |
40 |
|
6225 |
130 |
230 |
40 |
|
6226 |
130 |
230 |
40 |
|
6228 |
140 |
250 |
42 |
|
6230 |
150 |
270 |
45 |
|
6232 |
160 |
290 |
68 |
|
6234 |
170 |
310 |
52 |
|
6236 |
180 |
320 |
52 |
|
6238 |
190 |
340 |
55 |
|
6240 |
200 |
360 |
58 |
|
6244 |
220 |
400 |
65 |
|
6248 |
240 |
440 |
72 |
|
6252 |
260 |
480 |
80 |
|
6256 |
280 |
500 |
80 |
|
6260 |
300 |
540 |
85 |
Company Profile
ZheJiang Wangtai Bearing Co., Ltd. was founded in 2000 in ZheJiang , with its own production plant and sales as one. Independent marketing AOVE and WNTN brand high-quality bearings and related products. The company is committed to becoming the benchmark of Chinese bearing enterprises, with advanced and applicable technology, stable and reliable products, professional and thoughtful service, to provide users with more cost-effective solutions. The company mainly sells NSK bearings, CZPT bearings, CZPT bearings, CZPT bearings and CZPT bearings. Products are widely used in: aviation, aerospace, metallurgy, iron and steel, mining, electric power, machinery manufacturing, printing, electronics, textile, food, chemical industry, automobile and many other fields. Enterprise spirit: integrity, gratitude, equality, mutual respect!
Packaging & Shipping
FAQ
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
Surely, once your bearings are standard size bearings, even one, we will also accept.
Q: How long is your delivery time?
Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Welcome to contact me anytime!
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| Type: | Ball |
|---|---|
| Structure: | Deep Groove |
| Feature: | Long Life High Speed |
| Service: | OEM Available |
| Accuracy: | P5 |
| Specifications: | Depend on Bearing Size |
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
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 Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-14