Product Description
Product Description
| Material | Carbon steel skate bearing |
| Application | skateboard |
| limiting speed | Grease Lubrication 3,4000 R PM |
| cetrification | CE , EN13613 , EN7 |
| color | customized |
| grade | ABEC-7 |
| keyword | roller skate bearing |
| Number of Row | Single Row |
| Service | OEM Customized Services |
| Seals Type | ZZ 2RS OPEN |
/* 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(/(.*?):(.*)$/))&&1
| Age: | All Ages |
|---|---|
| Type: | 4 Wheels |
| Kind: | Skateboard |
| Usage: | Toy, Specialty |
| Customized: | Customized |
| Condition: | New |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
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 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 2024-03-07
China Good quality CZPT CZPT CZPT CZPT Motorcycle Bearing Wheel Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing Rulemanes bearing air
Product Description
Product Description
| Applicable Material | Chrome Steel/Gcr-15 |
| Greese | SRL ,PS2, Alvania R12 ,etc |
| Quality control | Checking is during production process, after surface and before packing |
| Lead time | 10-15 days for sample,15-25 days for bulk order depends on your design |
| Package | Standard package/ Pallet or container/ as per customized specifications |
| Shipment | Express & air freight is preferred / sea freight/ as per customized specifications |
Quality Control
1) Incoming quality control : Checking the raw material after they reach our factory
2) Checking the details before the production line operated
3) In-process quality control : Have a full inspection and routing inspection during mass production
4) Final quality control : Checking the goods after they are finished
5) Outgoing quality control : Checking the goods after they are finished
More products
| Wheel Bearing | Dimensions(mm) | Mass | Hub Assembly | Clutch Bearing | Truck Bearng | Taper roller bearing | Wheel bearing kit | Wheel Bearing | |||
| d | D | B | C | ||||||||
| DAC2552Z NISMO V6 3.7L 3696CC VQ37VHR Z TOURING V6 3.7L 3696CC VQ37VHR 2/SP5 | LIBERTY IV [2 | XV 13-/xv 13/ | REAR | ||||||||
| 234 | 24873-AJ00A 28473-SC000 28473-FJ000 28473-FG000 VKBA7479 |
FORESTER (SH) [2008-]IMPREZA Hatchback (GR, GH, G3) [2007-2014]LEGACY V (BM) [2009-]LEGACY V Estate (BR) [2008-2014]OUTBACK (BR) [2009-] | |||||||||
Company Profile
Rainbow auto parts focuses on the production and sales of auto parts. Our auto parts have been exported to all over the world and have won praise from customers.
We will strictly check the product production process:
- Checking the raw material after they reach our factory
- Checking the details before the production line operated
- Have a full inspection and routing inspection during mass production
- Checking the goods after they are finished
Packaging & Shipping
ORIGINAL PACKING/ NEUTRAL PACKING/ PACKAGING AS CUSTOMER REQUIRE
FAQ
Q: What is the MOQ?
A: It depends on what you are buying. Small MOQ can be acceptable.
Q: Can you customize my products?
A: Yes, we can customize products with your design drawings.
Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.
Q. What is your terms of packing?
A: Generally,we use brown boxes for packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q. How about your delivery time?
A: If the product is in stock, the delivery time is 1 week after payment. If there is no stock, the delivery time is 30 days.
Q. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q. What can I do if the item damaged during transportation?
A: Our customer service staffs will help you with any questions or concerns. Under any circumstance, we will pack products well before shipping. So if any damage on products, please take pictures for us. We will figure out a solve way.
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | Full After Sale Service |
|---|---|
| Warranty: | 30000-50000 Km |
| Type: | Wheel Bearing |
| Samples: |
US$ 50/Set
1 Set(Min.Order) | Order Sample |
|---|
| 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. |
|---|
| 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. |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
How 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 2024-03-06
China Best Sales Deep Groove Ball Bearing Pullers Front Wheel Hub Pillow Block Linear Wheel Taper Roller Connecting Rod Rear Wheel Needle Bearings Extractor Manufacturing with high quality
Product Description
Product Description
deep groove ball bearing pullers front wheel hub pillow block linear wheel taper roller connecting rod rear wheel needle bearings extractor manufacturing
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Premium Quality: We use top-grade materials and advanced production techniques to ensure exceptional durability and load-bearing capacity.
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Stringent Quality Control: Our bearings meet international standards with rigorous inspections at every stage, backed by ISO 9001 certification.
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Comprehensive Product Range: We offer a wide variety of bearings including ball, roller, spherical, and custom-designed solutions for diverse applications.
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Continuous Innovation: We stay ahead with cutting-edge technology, offering low-noise, high-speed, and long-life bearings.
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Responsive Service: We promptly address customer inquiries, provide tailored design services, and ensure timely delivery.
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Exceptional After-Sales Support: We stand behind our products with installation guidance, maintenance support, and reliable warranty coverage.
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Competitive Pricing: By optimizing processes and economies of scale, we deliver cost-effective solutions without compromising on quality.
In essence, as your bearing supplier, we guarantee premium quality products, innovative solutions, responsive service, and strong value – making us the ideal partner for all your bearing needs.
/* 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(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Axial Bearing |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
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 2024-02-29
China high quality Bulk Price Car Parts Wheel Hub Bearing Deep Groove Ball Bearing Koyo/NSK/Snr/SKF/FAG/Timken Rulemanes Dac38720036/9036938010/R16916/713618080/Vkba1911 for Honda bearing air
Product Description
Product Description
| Applicable Material | Chrome Steel/Gcr-15 |
| Greese | SRL ,PS2, Alvania R12 ,etc |
| Quality control | Checking is during production process, after surface and before packing |
| Lead time | 10-15 days for sample,15-25 days for bulk order depends on your design |
| Package | Standard package/ Pallet or container/ as per customized specifications |
| Shipment | Express & air freight is preferred / sea freight/ as per customized specifications |
Quality Control
1) Incoming quality control : Checking the raw material after they reach our factory
2) Checking the details before the production line operated
3) In-process quality control : Have a full inspection and routing inspection during mass production
4) Final quality control : Checking the goods after they are finished
5) Outgoing quality control : Checking the goods after they are finished
More products
| Basic Dimensions (mm) | Type | Mass(kg) | Ref.No. | |||||||
| d | D | B | C | Approx. | KOYO | FAG NO. | SKF NO. | NSK | ||
| DAC25525716 | 25 | 52 | 20.6 | 20.6 | A | 0.19 | 617546A | |||
| DAC2552AW | 28BWD01A | |||||||||
| DAC3 0571 026 | 30 | 55 | 26 | 26 | A | 0.32 | 30BWD08 | |||
| DAC30600037 | 30 | 60 | 37 | 37 | A | 0.46 | DAC306571RS | |||
| DAC30600338 | 30 | 60.03 | 37 | 37 | A | 0.41 | DAC3060W | 529891AB | BA2B633313C | |
| DAC30600342 | 30 | 63.03 | 42 | 42 | 0 | 0.56 | DAC30603W-1 | |||
| DAC30630042 | 30 | 63 | 42 | 42 | A | 0.57 | 30BWD01A | |||
| DAC30640042 | 30 | 64 | 42 | 42 | B | 0.58 | DAC3064 | W2RKB | ||
| DAC30650571 | 30 | 65 | 21 | 21 | A | 0.27 | 522372 | BB1B63571 | ||
| DAC30680045 | 30 | 68 | 45 | 45 | C | 0.72 | 30BWD04 | |||
| DAC32720045 | 32 | 72 | 45 | 45 | B | 0.81 | 32BWB05 | |||
| DAC32730054 | 32 | 73 | 54 | 54 | B | 0.98 | DAC3273W | |||
| DAC34620037 | 34 | 62 | 37 | 37 | C | 0.42 | DAC34620037 | 561447 | BAHB311316B | |
| DAC34640034 | 34 | 64 | 34 | 34 | D | 0.43 | DAC3464D | |||
| DAC34640037 | 34 | 64 | 37 | 37 | C | 0.5 | DAC3464G12RS | 532066DE | 3 0571 6DA | 34BWD11 |
| DAC34640037A | 34 | 64 | 37 | 37 | C | 0.5 | DAC3464W-22RS | |||
| DAC34660037 | 34 | 66 | 37 | 37 | C | 0.52 | 580400CA | 636114A | 34BWD10B | |
| DAC34680037 | 34 | 68 | 37 | 37 | B | 0.55 | DAC3468DW | 34BWD08A | ||
| DAC34680037A | 34 | 68 | 37 | 37 | A | 0.55 | DAC34682RS | |||
| DAC34680042 | 34 | 68 | 42 | 42 | C | 0.64 | DAC34682RS | 34BWD09A | ||
| DAC35640037 | 35 | 64 | 37 | 37 | D | 0.41 | DAC3564A-1 | BAH0042 | ||
| DAC35640037A | 35 | 64 | 37 | 37 | D | 0.46 | DAC3564A | |||
| DAC35650035 | 35 | 65 | 35 | 35 | C | 0.43 | DAC3565WCS30 | 46238A | BT2B445620B | |
| DAC35650037 | 35 | 65 | 37 | 37 | B | 0.48 | 35BWD19E | |||
| DAC35660032 | 35 | 66 | 32 | 32 | C | 0.4 | DAC3566 | 445980A | ||
| DAC35660033 | 35 | 66 | 33 | 33 | C | 0.42 | BAHB633676 | |||
| DAC35660037 | 35 | 66 | 37 | 37 | C | 0.49 | DAC35660037 | 544307D | BAHB311309 | |
| DAC35680033/30 | 35 | 68 | 33 | 30 | C | 0.48 | 35BWD07A | |||
| DAC35680037 | 35 | 68 | 37 | 37 | A | 0.53 | DAC3568A2RS | 541153A | BAHB633295B | |
| DAC35680038/36 | 35 | 68 | 38 | 36 | 0 | 0.5 | 35BWD16 | |||
| DAC35685713/30 | 34.99 | 68.02 | 33 | 30 | 0 | 0.49 | DAC3568W-6 | |||
| DAC35725713/31 | 35 | 72.02 | 33 | 31 | 0 | 0.54 | DAC357233B1 | 562686 | FWB14 | |
| DAC3572571 | 35 | 72 | 28 | 28 | 0 | 0.46 | ||||
| DAC35720033 | 35 | 72 | 33 | 33 | C | 0.58 | DAC357233B-1W | 548083 | BA2B445535AE | |
| DAC35720033/31 | 35 | 72 | 33 | 31 | B | 0.55 | 35BWD06A | |||
| DAC35720034 | 35 | 72 | 34 | 34 | 0 | 0.58 | DAC357234A | 54 0571 | ||
| DAC35720045 | 35 | 72 | 45 | 45 | A | 0.63 | DAC357245CW2RS | |||
| DAC35725718 | 35 | 72.02 | 28 | 28 | 0 | 0.46 | 544033 | BA2B441832AB | ||
| DAC3572571 | 35 | 72.04 | 33 | 33 | C | 0.57 | BAHB633669 | |||
| DAC35770442 | 34.99 | 77.04 | 42 | 42 | 0 | 0.86 | DAC3577W-3 | |||
| DAC35800045 | 35 | 80 | 45 | 45 | B | 1.1 | DAC3580W-3HR4 | |||
| DAC35800047 | 35 | 80 | 47 | 47 | A | 0.96 | DAC358047BW2RS | |||
| DAC35800047A | 35 | 80 | 47 | 47 | A | 1.03 | DAC3580WHR4 | |||
| DAC36650037 | 36 | 65 | 37 | 37 | 0 | 0.45 | DAC3665W | |||
| DAC36680033 | 36 | 68 | 33 | 33 | 0 | 0.48 | DAC3668AW | 6BWD04 | ||
| DAC36680033A | 36 | 68 | 33 | 33 | 0 | 0.47 | DAC3668W | |||
| DAC36720042 | 36 | 72 | 42 | 42 | A | 0.68 | 36BWD03 | |||
| DAC3672571 | 36 | 72.04 | 34 | 34 | 0 | 0.57 | DAC367234A | 36BWD01B | ||
| DAC36765712/27 | 36 | 76 | 29.2 | 27 | D | 0 | 440190 | |||
| DAC37720037 | 37 | 72 | 37 | 37 | C | 0.6 | ||||
| DAC37725713 | 37 | 72 | 33 | 33 | 0 | 0 | ||||
| DAC37725717 | 37 | 72.02 | 37 | 37 | C | 0.6 | 527631 | BA2B633571CB | ||
| DAC3772571 | 37 | 72.04 | 37 | 37 | C | 0.6 | 562398A | 633531B | ||
| DAC37740045 | 37 | 74 | 45 | 45 | C | 0.81 | 541521C | 35716AC | 37BWD01 | |
| DAC38700037 | 38 | 70 | 37 | 37 | A | 0.48 | 38BWD19 | |||
| DAC38700038 | 38 | 70 | 38 | 38 | B | 0.55 | DAC3870DW | 686908A | ||
| DAC38700038B | 38 | 70 | 38 | 38 | D | 0.57 | 38BWD21 | |||
| DAC38710039 | 38 | 71 | 39 | 39 | B | 0.62 | 38BWD22 | |||
| DAC38715713/30 | 37.99 | 71.02 | 33 | 30 | 0 | 0.5 | DAC3871W-2 | FW135 | 38BWD09A | |
| DAC38720034 | 38 | 72 | 34 | 34 | 0 | 0.59 | DAC3872A | 38BWD04 | ||
| DAC38720040 | 38 | 72 | 40 | 40 | D | 0.63 | DAC3872W-10 | 575069B | FW102 | |
| DAC38725716/33 | 37.99 | 72.02 | 36 | 33 | 0 | 0.56 | DAC3872W-8 | VKBA1191 | 38BWD12 | |
| DAC38730040 | 38 | 73 | 40 | 40 | D | 0.67 | DAC3873-1 | |||
| DAC38740040 | 38 | 74 | 40 | 40 | A | 0.69 | 38BWD10B | |||
| DAC38740050 | 38 | 74 | 50 | 50 | D | 0.78 | 559192 | FWB116 | 38BWD06D | |
| DAC38745716/33 | 37.988 | 74.02 | 36 | 33 | 0 | 0.62 | DAC3874W-6 | 38BWD24 | ||
| DAC38745716/33B | 37.99 | 74.02 | 36 | 33 | 0 | 0.61 | 38BWD15 | |||
| DAC38740450 | 38 | 74.04 | 50 | 50 | D | 0.79 | ||||
| DAC38760043 | 38 | 76 | 43 | 43 | B | 0.82 | 38BWD23A | |||
| DAC38800036/33 | 38 | 80 | 36 | 33 | 0 | 0.79 | 38BWD18 | |||
| DAC3885716/33 | 37.967 | 80.02 | 36 | 33 | 0 | 0.79 | DAC3880W-1 | |||
| DAC39/41750037 | 39/41 | 75 | 37 | 37 | C | 0.64 | DAC39/41750037 | 567447B | BAHB633815A | |
| DAC39680037 | 39 | 68 | 37 | 37 | B | 0.49 | DAC39680037 | 54571BA | BAHB311315BD | 39BWD03 |
| DAC39720037 | 39 | 72 | 37 | 37 | C | 0.58 | DAC3972D2RSF | 542186A | BAHB311396B | 39BWD01L |
| DAC39720037A | 39 | 72 | 37 | 37 | C | 0.5 | DAC3972AW4 | |||
| DAC39720637 | 39 | 72.06 | 37 | 37 | B | 0.57 | 542186CA | |||
| DAC39740039 | 39 | 74 | 39 | 39 | C | 0.68 | 39BWD05 | |||
| DAC457180032/17 | 40 | 108 | 32 | 17 | 0 | 0 | BA2B445533 | |||
| DAC40700043 | 40 | 70 | 43 | 43 | D | 0.63 | DAC407043W | |||
| DAC40720037 | 40 | 72 | 36 | 33 | 0 | 0.53 | DAC4072 | |||
| DAC40720037 | 40 | 72 | 37 | 37 | C | 0.56 | 566719 | BAHB311443B | ||
| DAC40740036 | 40 | 74 | 36 | 34 | 0 | 0.62 | DAC4074CW | 40BWD16 | ||
| DAC40740036 | 40 | 74 | 36 | 36 | D | 0.64 | 40BWD15A | |||
| DAC40740040 | 40 | 74 | 40 | 40 | C | 0.66 | DAC40740 | 40BWD06D | ||
| DAC40740042 | 40 | 74 | 42 | 42 | B | 0.71 | 40BWD12 | |||
| DAC4571037 | 40 | 75 | 37 | 37 | C | 0.63 | 559494 | BAHB633966E | ||
| DAC4571033 | 40 | 76 | 33 | 33 | D | 0.61 | 474743B | 40BWD08A | ||
| DAC4571033/28 | 40 | 76 | 33 | 28 | A | 0.55 | 539166AB | 474743 | ||
| DAC4571041/38 | 40 | 76 | 41 | 38 | C | 0.7 | DAC407612RS | 559226 | FW124 | 40BWD05 |
| DAC408000302 | 40 | 80 | 30.2 | 30.2 | 0 | 0.68 | 523854 | 440320H | ||
| DAC40800031 | 40 | 80 | 31 | 31 | D | 0.66 | BA2B445469BA | |||
| DAC40800036/34 | 40 | 80 | 6 | 34 | 0 | 0.74 | DAC4080M1 | FWB101 | 40BWD14 | |
| DAC40820040 | 40 | 82 | 40 | 40 | A | 0.88 | ||||
| DAC40840338 | 40 | 84.03 | 38 | 38 | C | 0.98 | ||||
| DAC42750037 | 42 | 75 | 37 | 37 | A | 0.6 | DAC4275BW2RS | 545495D | BA2B633457 | |
| DAC42760033 | 42 | 76 | 33 | 33 | C | 0.65 | 42BWD12 | |||
| DAC42760038/35 | 42 | 76 | 38 | 35 | A | 0.56 | 42BWD06 | |||
| DAC42760040/37 | 42 | 76 | 40 | 37 | A | 0.66 | DAC427602RSF | 547059A | 909042 | |
| DAC42780038 | 42 | 78 | 38 | 38 | C | 0.7 | DAC4278A2RS | 42BWD09 | ||
| DAC42780041/38 | 42 | 78 | 41 | 38 | C | 0.75 | DAC4278C2RS | |||
| DAC42800036/34 | 42 | 80 | 36 | 34 | 0 | 0.76 | 42BWD13 | |||
| DAC42800037 | 42 | 80 | 37 | 37 | D | 0.7 | BAHB633770 | |||
| DAC42800045 | 42 | 80 | 45 | 45 | B | 0.86 | DAC4280W-2 | 42BWD11 | ||
| DAC42800045A | 42 | 80 | 45 | 45 | 0 | 0.85 | DAC4280WHR4 | |||
| DAC42800342 | 42 | 80.03 | 42 | 42 | A | 0.82 | DAC4280B2RS | 527243C | BA2B309609AD | |
| DAC42820036 | 42 | 82 | 36 | 36 | C | 0.76 | DAC4282 | 561481 | BA2B446047 | |
| DAC42820037 | 42 | 82 | 37 | 37 | C | 0.8 | 565636 | BAHB311413A | ||
| DAC42840036 | 42 | 84 | 36 | 36 | A | 0.84 | 564727 | BA2B444090AB | ||
| DAC42840039 | 42 | 84 | 39 | 39 | A | 0.95 | 543359B | 440090 | ||
| DAC43/45820037 | 43/45 | 82 | 37 | 37 | C | 0.78 | DAC43/45820037 | 567519A | BAHB633814A | |
| DAC43760043 | 43 | 76 | 43 | 43 | B | 0.71 | 43BWD12A | |||
| DAC43790041/38 | 43 | 79 | 41 | 38 | D | 0.77 | DAC4379-1 | 43BWD08 | ||
| DAC43790045 | 43 | 79 | 45 | 45 | C | 0.89 | 43BWD13A | |||
| DAC43800050/45 | 43 | 80 | 50 | 45 | 0 | 0.91 | DAC4380ACS69 | 43BWD03 | ||
| DAC43820045 | 43 | 82 | 45 | 45 | D | 0.96 | DAC4382W-3 | FW153 | 43BWD06B | |
| DAC44840042/40 | 44 | 84 | 42 | 40 | 0 | 0.9 | DAC4484B2RS | |||
| DAC44840042/40A | 44 | 84 | 42 | 40 | A | 0.9 | DAC4484CW2RS | |||
| DAC45800045 | 45 | 80 | 45 | 45 | C | 0.8 | 564725AB | |||
| DAC45830045 | 45 | 83 | 45 | 45 | D | 1 | DAC4583 | 45BWD06 | ||
| DAC45840039 | 45 | 84 | 39 | 39 | C | 0.85 | DAC458439BW | 547103E | BAHB35717C | |
| DAC45840041/39 | 45 | 84 | 41 | 39 | 0 | 0.8 | DAC4584DW | 45BWD03 | ||
| DAC45840042/40 | 45 | 84 | 42 | 40 | A | 0.9 | 45BWD09 | |||
| DAC45840045 | 45 | 84 | 45 | 45 | A | 0.98 | 45BWD10 | |||
| DAC45850041 | 45 | 85 | 41 | 41 | B | 0.9 | 580191 | |||
| DAC46790045 | 46 | 79 | 45 | 45 | C | 0.81 | 46BWD01A | |||
| DAC47810053 | 47 | 81 | 53 | 53 | D | 0.95 | DAC4781WSH2 | |||
| DAC48890044/42 | 48 | 89 | 44 | 42 | C | 0.97 | DAC4889W2RS | 48BWD01 | ||
| DAC49840050 | 49 | 89 | 50 | 50 | B | 1 | 49BWD02 | |||
| DAC49880046 | 49 | 88 | 46 | 46 | C | 1.08 | 572506E | 49BWD01B | ||
| DAC50900034 | 50 | 90 | 34 | 34 | A | 0.84 | 528514 | 633007C | ||
TTAPER ROLLER BEARINGS:
| . | Boundary dimensions | ||||||
| mm | |||||||
| d | D | T | B | C | Rmin | rmin | |
| 35710 series | |||||||
| 35712 | 15 | 35 | 11.75 | 11 | 10 | 0.6 | 0.6 |
| 35713 | 17 | 40 | 13.25 | 12 | 11 | 1 | 1 |
| 35714 | 20 | 47 | 15.25 | 14 | 12 | 1 | 1 |
| 35715 | 25 | 52 | 16.25 | 15 | 13 | 1 | 1 |
| 35716 | 30 | 62 | 17.25 | 16 | 14 | 1 | 1 |
| 35717 | 35 | 72 | 18.25 | 17 | 15 | 1.5 | 1.5 |
| 35718 | 40 | 80 | 19.75 | 18 | 16 | 1.5 | 1.5 |
| 35719 | 45 | 85 | 20.75 | 19 | 16 | 1.5 | 1.5 |
| 35710 | 50 | 90 | 21.75 | 20 | 17 | 1.5 | 1.5 |
| 35711 | 55 | 100 | 22.75 | 21 | 18 | 2 | 1.5 |
| 35712 | 60 | 110 | 23.75 | 22 | 19 | 2 | 1.5 |
| 35713 | 65 | 120 | 24.75 | 23 | 20 | 2 | 1.5 |
| 35714 | 70 | 125 | 26.25 | 24 | 21 | 2 | 1.5 |
| 35715 | 75 | 130 | 27.25 | 25 | 22 | 2 | 1.5 |
| 35716 | 80 | 140 | 28.25 | 26 | 22 | 2.5 | 2 |
| 35717 | 85 | 150 | 30.5 | 28 | 24 | 2.5 | 2 |
| 35718 | 90 | 160 | 32.5 | 30 | 26 | 2.5 | 2 |
| 35719 | 95 | 170 | 34.5 | 32 | 27 | 3 | 2.5 |
| 35710 | 100 | 180 | 37 | 34 | 29 | 3 | 2.5 |
| 35711 | 105 | 190 | 39 | 36 | 30 | 3 | 2.5 |
| 35712 | 110 | 200 | 41 | 38 | 32 | 3.5 | 2 |
| 35714 | 120 | 215 | 43.5 | 40 | 34 | 3 | 2.5 |
| 35716 | 130 | 230 | 43.75 | 40 | 34 | 4 | 3 |
| 35718 | 140 | 250 | 45.75 | 42 | 36 | 4 | 3 |
| 35710 | 150 | 270 | 49 | 45 | 38 | 4 | 3 |
| 35712 | 160 | 290 | 52 | 48 | 40 | 4 | 3 |
| 35714 | 170 | 310 | 57 | 52 | 43 | 5 | 4 |
| 35716 | 180 | 320 | 57 | 52 | 43 | 5 | 4 |
| 35718 | 190 | 340 | 60 | 55 | 46 | 3 | 2.5 |
| 35710 | 200 | 360 | 64 | 58 | 48 | 5 | 4 |
| 30300 series | |||||||
| 30302 | 15 | 42 | 14.25 | 13 | 11 | 1 | 1 |
| 30303 | 17 | 47 | 15.25 | 14 | 12 | 1 | 1 |
| 30304 | 20 | 52 | 16.25 | 15 | 13 | 1.5 | 1.5 |
| 30305 | 25 | 62 | 18.25 | 17 | 15 | 1.5 | 1.5 |
| 30306 | 30 | 72 | 20.75 | 19 | 16 | 1.5 | 1.5 |
| 30307 | 35 | 80 | 22.75 | 21 | 18 | 2 | 1.5 |
| 30308 | 40 | 90 | 25.25 | 23 | 20 | 2 | 1.5 |
| 30309 | 45 | 100 | 27.25 | 25 | 22 | 2 | 1.5 |
| 3571 | 50 | 110 | 29.25 | 27 | 23 | 2.5 | 2 |
| 3571 | 55 | 120 | 31.5 | 29 | 25 | 2.5 | 2 |
| 3571 | 60 | 130 | 33.5 | 31 | 26 | 3 | 2.5 |
| 3571 | 65 | 140 | 36 | 33 | 28 | 3 | 2.5 |
| 3571 | 70 | 150 | 38 | 35 | 30 | 3 | 2.5 |
| 3571 | 75 | 160 | 40 | 37 | 31 | 3 | 2.5 |
| 3 0571 | 80 | 170 | 42.5 | 39 | 33 | 3 | 2.5 |
| 3 0571 | 85 | 180 | 44.5 | 41 | 34 | 4 | 3 |
| 3 0571 | 90 | 190 | 46.5 | 43 | 36 | 4 | 3 |
| 3571 | 95 | 200 | 49.5 | 45 | 38 | 4 | 3 |
| 30320 | 100 | 215 | 51.5 | 47 | 39 | 4 | 3 |
| 30321 | 105 | 225 | 53.5 | 49 | 41 | 4 | 3 |
| 30322 | 110 | 240 | 54.5 | 50 | 42 | 4 | 3 |
| 30324 | 120 | 260 | 59.5 | 55 | 46 | 4 | 3 |
| 30326 | 130 | 280 | 63.75 | 58 | 49 | 5 | 4 |
| 30328 | 140 | 300 | 67.75 | 62 | 53 | 5 | 4 |
| 30330 | 150 | 320 | 72 | 65 | 55 | 5 | 4 |
| 30332 | 160 | 340 | 75 | 68 | 58 | 5 | 4 |
| 30334 | 170 | 360 | 80 | 72 | 62 | 5 | 4 |
| 31300 series | |||||||
| 31305 | 25 | 62 | 18.25 | 17 | 13 | 1.5 | 1.5 |
| 31306 | 30 | 72 | 20.75 | 19 | 14 | 1.5 | 1.5 |
| 31307 | 35 | 80 | 22.75 | 21 | 15 | 2 | 1.5 |
| 31308 | 40 | 90 | 25.25 | 23 | 17 | 2 | 1.5 |
| 31309 | 45 | 100 | 27.25 | 25 | 18 | 2 | 1.5 |
| 31310 | 50 | 110 | 29.25 | 27 | 19 | 2.5 | 2 |
| 31311 | 55 | 120 | 31.5 | 29 | 21 | 2.5 | 2 |
| 31312 | 60 | 130 | 33.5 | 31 | 22 | 3 | 2.5 |
| 31313 | 65 | 140 | 36 | 33 | 23 | 3 | 2.5 |
| 31314 | 70 | 150 | 38 | 35 | 25 | 3 | 2.5 |
| 31315 | 75 | 160 | 40 | 37 | 26 | 3 | 2.5 |
| 31316 | 80 | 170 | 42.5 | 39 | 27 | 3 | 2.5 |
| 31317 | 85 | 180 | 44.5 | 41 | 28 | 4 | 3 |
| 31318 | 90 | 190 | 46.5 | 43 | 30 | 4 | 3 |
| 31319 | 95 | 200 | 49.5 | 45 | 32 | 4 | 3 |
| 31320 | 100 | 215 | 56.5 | 51 | 35 | 4 | 3 |
| 31321 | 105 | 225 | 58 | 53 | 36 | 4 | 3 |
| 31322 | 110 | 240 | 63 | 57 | 38 | 4 | 3 |
| 31324 | 120 | 260 | 68 | 62 | 42 | 4 | 3 |
| 31326 | 130 | 280 | 72 | 66 | 44 | 5 | 4 |
| 31328 | 140 | 300 | 77 | 70 | 47 | 5 | 4 |
| 31330 | 150 | 320 | 82 | 75 | 50 | 5 | 4 |
| 32000 series | |||||||
| 32004 | 20 | 42 | 15 | 15 | 12 | 0.6 | 0.6 |
| 32005 | 25 | 47 | 15 | 15 | 11.5 | 0.6 | 0.6 |
| 32006 | 30 | 55 | 17 | 17 | 13 | 1 | 1 |
| 32007 | 35 | 62 | 18 | 18 | 14 | 1 | 1 |
| 32008 | 40 | 68 | 19 | 19 | 14.5 | 1 | 1 |
| 32009 | 45 | 75 | 20 | 20 | 15.5 | 1 | 1 |
| 32571 | 50 | 80 | 20 | 20 | 15.5 | 1 | 1 |
| 32011 | 55 | 90 | 23 | 23 | 17.5 | 1.5 | 1.5 |
| 32012 | 60 | 95 | 23 | 23 | 17.5 | 1.5 | 1.5 |
| 32013 | 65 | 100 | 23 | 23 | 17.5 | 1.5 | 1.5 |
| 32014 | 70 | 110 | 25 | 25 | 19 | 1.5 | 1.5 |
| 32015 | 75 | 115 | 25 | 25 | 19 | 1.5 | 1.5 |
| 32016 | 80 | 125 | 29 | 29 | 22 | 1.5 | 1.5 |
| 32017 | 85 | 130 | 29 | 29 | 22 | 1.5 | 1.5 |
| 32018 | 90 | 140 | 32 | 32 | 24 | 2 | 1.5 |
| 32019 | 95 | 145 | 32 | 32 | 24 | 2 | 1.5 |
| 32571 | 100 | 150 | 32 | 32 | 24 | 2 | 1.5 |
| 32571 | 105 | 160 | 35 | 35 | 26 | 2.5 | 2 |
| 32571 | 110 | 170 | 38 | 38 | 29 | 2.5 | 2 |
| 32571 | 120 | 180 | 38 | 38 | 29 | 2.5 | 2 |
| 32026 | 130 | 200 | 45 | 45 | 34 | 2.5 | 2 |
| 32571 | 140 | 210 | 45 | 45 | 34 | 2.5 | 2 |
| 32030 | 150 | 225 | 48 | 48 | 36 | 3 | 2.5 |
| 32032 | 160 | 240 | 51 | 51 | 38 | 3 | 2.5 |
| 32034 | 170 | 260 | 57 | 57 | 43 | 3 | 2.5 |
| 32036 | 180 | 280 | 64 | 64 | 48 | 3 | 2.5 |
| 32038 | 190 | 290 | 64 | 64 | 48 | 3 | 2.5 |
| 32040 | 200 | 310 | 70 | 70 | 53 | 3 | 2.5 |
| 32044 | 220 | 340 | 76 | 76 | 57 | 4 | 3 |
| 32048 | 240 | 360 | 76 | 76 | 57 | 4 | 3 |
| 32200 series | |||||||
| 32204 | 20 | 47 | 19.25 | 18 | 15 | 1 | 1 |
| 32205 | 25 | 52 | 19.25 | 18 | 16 | 1 | 1 |
| 32206 | 30 | 62 | 21.25 | 20 | 17 | 1 | 1 |
| 32207 | 35 | 72 | 24.25 | 23 | 19 | 1.5 | 1.5 |
| 32208 | 40 | 80 | 24.75 | 23 | 19 | 1.5 | 1.5 |
| 32209 | 45 | 85 | 24.75 | 23 | 19 | 1.5 | 1.5 |
| 32210 | 50 | 90 | 24.75 | 23 | 19 | 1.5 | 1.5 |
| 32211 | 55 | 100 | 26.76 | 25 | 21 | 2 | 1.5 |
| 32212 | 60 | 110 | 29.75 | 28 | 24 | 2 | 1.5 |
| 32213 | 65 | 120 | 32.75 | 31 | 27 | 2 | 1.5 |
| 32214 | 70 | 125 | 33.25 | 31 | 27 | 2 | 1.5 |
| 32215 | 75 | 130 | 33.25 | 31 | 27 | 2 | 1.5 |
| 32216 | 80 | 140 | 35.25 | 33 | 28 | 2.5 | 2 |
| 32217 | 85 | 150 | 38.5 | 36 | 30 | 2.5 | 2 |
| 32218 | 90 | 160 | 42.5 | 40 | 34 | 2.5 | 2 |
| 32219 | 95 | 170 | 45.5 | 43 | 37 | 3 | 2.5 |
| 32220 | 100 | 180 | 49 | 46 | 39 | 3 | 2.5 |
| 32221 | 105 | 190 | 53 | 50 | 43 | 3 | 2.5 |
| 32222 | 110 | 200 | 56 | 53 | 46 | 3.5 | 2 |
| 32224 | 120 | 215 | 61.5 | 58 | 50 | 3 | 2.5 |
| 32226 | 130 | 230 | 67.75 | 64 | 54 | 4 | 3 |
| 32228 | 140 | 250 | 71.75 | 68 | 58 | 4 | 3 |
| 32230 | 150 | 270 | 77 | 73 | 60 | 4 | 3 |
| 32232 | 160 | 290 | 84 | 80 | 67 | 4 | 3 |
| 32234 | 170 | 310 | 91 | 86 | 71 | 5 | 4 |
| 32236 | 180 | 320 | 91 | 86 | 71 | 5 | 4 |
| 32238 | 190 | 340 | 97 | 92 | 75 | 5 | 4 |
| 32240 | 200 | 360 | 104 | 98 | 82 | 5 | 4 |
| 32244 | 220 | 400 | 115 | 108 | 90 | 5 | 4 |
| 32300 series | |||||||
| 32303 | 17 | 47 | 20.25 | 19 | 16 | 1 | 1 |
| 32304 | 20 | 52 | 22.25 | 21 | 18 | 1.5 | 1.5 |
| 32305 | 25 | 62 | 25.25 | 24 | 20 | 1.5 | 1.5 |
| 32306 | 30 | 72 | 28.75 | 27 | 23 | 1.5 | 1.5 |
| 32307 | 35 | 80 | 32.75 | 31 | 25 | 2 | 1.5 |
| 32308 | 40 | 90 | 35.25 | 33 | 27 | 2 | 1.5 |
| 32309 | 45 | 100 | 38.25 | 36 | 30 | 2 | 1.5 |
| 32310 | 50 | 110 | 42.25 | 40 | 33 | 2.5 | 2 |
| 32311 | 55 | 120 | 45.5 | 43 | 35 | 2.5 | 2 |
| 32312 | 60 | 130 | 48.5 | 46 | 37 | 3 | 2.5 |
| 32313 | 65 | 140 | 51 | 48 | 39 | 3 | 2.5 |
| 32314 | 70 | 150 | 54 | 51 | 42 | 3 | 2.5 |
| 32315 | 75 | 160 | 58 | 55 | 45 | 3 | 2.5 |
| 32316 | 80 | 170 | 61.5 | 58 | 48 | 3 | 2.5 |
| 32317 | 85 | 180 | 63.5 | 60 | 49 | 4 | 3 |
| 32318 | 90 | 190 | 67.5 | 64 | 53 | 4 | 3 |
| 32319 | 95 | 200 | 71.5 | 67 | 55 | 4 | 3 |
| 32320 | 100 | 215 | 77.5 | 73 | 60 | 4 | 3 |
| 32321 | 105 | 225 | 81.5 | 77 | 63 | 4 | 3 |
| 32322 | 110 | 240 | 84.5 | 80 | 65 | 4 | 3 |
| 32324 | 120 | 260 | 90.5 | 86 | 69 | 4 | 3 |
| 32334 | 170 | 360 | 128 | 120 | 100 | 3.7 | 1.3 |
| 33000 series | |||||||
| 33005 | 25 | 47 | 17 | 17 | 14 | 0.6 | 0.6 |
| 33006 | 30 | 55 | 20 | 20 | 16 | 1 | 1 |
| 33007 | 35 | 62 | 21 | 21 | 17 | 1 | 1 |
| 33008 | 40 | 68 | 22 | 22 | 18 | 1 | 1 |
| 33009 | 45 | 75 | 24 | 24 | 19 | 1 | 1 |
| 33571 | 50 | 80 | 24 | 24 | 19 | 1 | 1 |
| 33011 | 55 | 90 | 27 | 27 | 21 | 1.5 | 1.5 |
| 33012 | 60 | 95 | 27 | 27 | 21 | 1.5 | 1.5 |
| 33013 | 65 | 100 | 27 | 27 | 21 | 1.5 | 1.5 |
| 33014 | 70 | 110 | 31 | 31 | 25.5 | 1.5 | 1.5 |
| 33015 | 75 | 115 | 31 | 31 | 25.5 | 1.5 | 1.5 |
| 33019 | 95 | 145 | 39 | 39 | 32.5 | 2 | 1.5 |
| 33571 | 110 | 170 | 47 | 47 | 37 | 2.5 | 2 |
| 33200 series | |||||||
| 33205 | 25 | 52 | 22 | 22 | 18 | 1 | 1 |
| 33206 | 30 | 62 | 25 | 25 | 19.5 | 1 | 1 |
| 33207 | 35 | 72 | 28 | 28 | 22 | 1.5 | 1.5 |
| 33208 | 40 | 80 | 32 | 32 | 25 | 1.5 | 1.5 |
| 33209 | 45 | 85 | 32 | 32 | 24.5 | 1.5 | 1.5 |
| 33210 | 50 | 90 | 32 | 32 | 24.5 | 1.5 | 1.5 |
| 33211 | 55 | 100 | 35 | 35 | 27 | 2 | 1.5 |
| 33212 | 60 | 110 | 38 | 38 | 29 | 2 | 1.5 |
| 33213 | 65 | 120 | 41 | 41 | 32 | 2 | 1.5 |
| 33214 | 70 | 125 | 41 | 41 | 32 | 2 | 1.5 |
| 33215 | 75 | 130 | 41 | 41 | 31 | 2 | 1.5 |
| 33216 | 80 | 140 | 46 | 46 | 35 | 2.5 | 2 |
| 33217 | 85 | 150 | 49 | 49 | 37 | 2.5 | 2 |
| 33220 | 100 | 180 | 63 | 63 | 48 | 3 | 2.5 |
Hot Selling Cylindrical Roller Bearing Models:(E, EM)
(N/NU/NJ/NUP/RN/NF/NH/NJF/RNU
N1004 N1005 N1006 N1007 N1008 N1009 N1571 N1011 N1012
N1013 N1014 N1015 N1016 N1017 N1018 N1019 N1571 N1571
N1571 N1026 N1571 N1030 N1032 N1034 N1036 N1038 N1040
N1044 N1048 N1052 N1056 N1060 N1064 N1068 N1072 N1080 N1092 N1094
NU1004 NU1005 NU1006 NU1007 NU1008 NU1009 NU1571 NU1011 NU1012
NU1013 NU1014 NU1015 NU1016 NU1017 NU1018 NU1019 NU1571 NU1571
NU1571 NU1026 NU1571 NU1030 NU1032 NU1034 NU1036 NU1038 NU1040
NU1044 NU1048 NU1052 NU1056 NU1060 NU1064 NU1068 NU1072 NU1080 NU1092 NU1094
NJ1009 NJ1571 NJ1016 NJ1017 NJ1018 NJ1019 NJ1571 NJ1571 NJ1571
NJ1026 NJ1571 NJ1030 NJ1032 NJ1034 NJ1036 NJ1038 NJ1040 NJ1044
NJ1048 NJ1052 NJ1056 NJ1060 NJ1064 NJ1068 NJ1072 NJ1080
N202 N203 N204 N205 N206 N207 N208 N209 N210
N211 N212 N213 N214 N215 N216 N217 N218 N219
N220 N221 N222 N224 N226 N228 N230 N232 N234
N236 N238 N240 N244 N248 N252 N256 N260
NU202 NU203 NU204 NU205 NU206 NU207 NU208 NU209 NU210
NU211 NU212 NU213 NU214 NU215 NU216 NU217 NU218 NU219
NU220 NU221 NU222 NU224 NU226 NU228 NU230 NU232 NU234
NU236 NU238 NU240 NU244 NU48 NU252 NU256 NU260
NJ202 NJ203 NJ204 NJ205 NJ206 NJ207 NJ208 NJ209 NJ210
NJ211 NJ212 NJ213 NJ214 NJ215 NJ216 NJ217 NJ218 NJ219
NJ220 NJ221 NJ222 NJ224 NJ226 NJ228 NJ230 NJ232 NJ234
NJ236 NJ238 NJ240 NJ244 NJ248 NJ252 NJ256 NJ260
NF204 NF205 NF206 NF207 NF208 NF209 NF210 NF211 NF212
NF213 NF214 NF215 NF216 NF217 NF218 NF219 NF220 NF221 NF222 NF224
NUP202 NUP203 NUP204 NUP205 NUP206 NUP207 NUP208 NUP209 NUP210
NUP211 NUP212 NUP213 NUP214 NUP215 NUP216 NUP217 NUP218 NUP219
NUP220 NUP221 NUP222 NUP224 NUP226 NUP228 NUP230 NUP232 NUP234
NUP236 NUP238 NUP240 NUP244 NUP248 NUP252 NUP256 NUP260
RN202 RN203 RN204 RN205 RN206 RN207 RN208 RN209 RN210
RN211 RN212 RN213 RN214 RN215 RN216 RN217 RN218 RN219
RN220 RN221 RN222 RN224 RN226 RN228
RNU202 RNU203 RNU204 RNU205 RNU206 RNU207 RNU208 RNU209 RNU210
RNU211 RNU212 RNU213 RNU214 RNU215 RNU216 RNU217 RNU218 RNU219
RNU220 RNU221 RNU222 RNU224 RNU226 RNU228
N304 N305 N306 N307 N308 N309 N310 N311 N312
N313 N314 N315 N316 N317 N318 N319 N320 N322
N324 N326 N328 N330 N332 N334 N336 N338 N340 N348 N360
NU304 NU305 NU306 NU307 NU308 NU309 NU310 NU311 NU312
NU313 NU314 NU315 NU316 NU317 NU318 NU319 NU320 NU322
NU324 NU326 NU328 NU330 NU332 NU334 NU336 NU338 NU340 NU348 NU360
NJ304 NJ305 NJ306 NJ307 NJ308 NJ309 NJ310 NJ311 NJ312
NJ313 NJ314 NJ315 NJ316 NJ317 NJ318 NJ319 NJ320 NJ322
NJ324 NJ326 NJ328 NJ330 NJ332 NJ334 NJ336 NJ338 NJ340 NJ348 NJ360
NF304 NF305 NF306 NF307 NF308 NF309 NF310 NF311 NF312
NF313 NF314 NF315 NF316 NF317 NF318 NF319 NF320 NF322 NF324 NF326 NF328
RN304 RN305 RN306 RN307 RN308 RN309 RN310 RN311 RN312
RN313 RNU304 RNU305 RNU306 RNU307 RNU308 RNU309 RNU310 RNU311
RNU312 RNU313 NUP304 NUP305 NUP306 NUP307 NUP308 NUP309 NUP310
NUP311 NUP312 NUP313 NUP314 NUP315 NUP316 NUP317 NUP318 NUP319
NUP320 NUP322 NUP324 NUP326 NUP328 NUP330 NUP332 NUP334 NUP336 NUP338 NUP340
N406 N407 N408 N409 N410 N411 N412 N413 N414
N415 N416 N417 N418 N419 N420 N421
NU406 NU407 NU408 NU409 NU410 NU411 NU412 NU413 NU414
NU415 NU416 NU417 NU418 NU419 NU420 NU421 NU422 NU424 NU426 NU428 NU430
NJ405 NJ406 NJ407 NJ408 NJ409 NJ410 NJ411 NJ412 NJ413
NJ414 NJ415 NJ416 NJ417 NJ418 NJ419 NJ420 NJ421 NJ422 NJ424 NJ426 NJ428 NJ430
NUP406 NUP407 NUP408 NUP409 NUP410 NUP411 NUP412 NUP413 NUP414
NUP415 NUP416 NUP417 NUP418 NUP419 NUP420
N2206 N2207 N2208 N2209 N2210 N2211 N2212 N2213 N2214
N2215 N2216 N2217 N2218 N2219 N2220 N2221 N2222 N2224 N2226
N2305 N2306 N2307 N2308 N2309 N2310 N2311 N2312 N2313
N2314 N2315 N2316 N2317 N2318 N2319 N2320 N2322 N2324 N2326 N2328 N2330 N2332
NU2206 NU2207 NU2208 NU2209 NU2210 NU2211 NU2212 NU2213 NU2214 NU2215 NU2216 NU2217 NU2218 NU2219 NU2220 NU2221 NU2222 NU2224
NU2226 NU2228 NU2230 NU2232 NU2234 NU2236 NU2238 NU2240 NU2244 NU2248 NU2252 NU2256 NU2260
NU2310 NU2311 NU2312 NU2313 NU2314 NU2315 NU2316 NU2317 NU2318 NU2319 NU2320 NU2322 NU2324 NU2326 NU2328 NU2330 NU2332 NU2334 NU2336 NU2338 NU2340 NU2348 NU2360
NJ2206 NJ2207 NJ2208 NJ2209 NJ2210 NJ2211 NJ2212 NJ2213 NJ2214
NJ2215 NJ2216 NJ2217 NJ2218 NJ2219 NJ2220 NJ2221 NJ2222 NJ2224
NJ2226 NJ2228 NJ2230 NJ2232 NJ2234 NJ2236 NJ2238 NJ2240 NJ2244
NJ2305 NJ2306 NJ2307 NJ2308 NJ2309 NJ2310 NJ2311 NJ2312 NJ2313
NJ2314 NJ2315 NJ2316 NJ2317 NJ2318 NJ2319 NJ2320 NJ2322 NJ2324
NJ2326 NJ2328 NJ2330 NJ2332 NJ2334 NJ2336 NJ2338 NJ2340 NJ2348 NJ2360
NUP2205 NUP2206 NUP2207 NUP2208 NUP2209 NUP2210 NUP2211 NUP2212 NUP2213
NUP2214 NUP2215 NUP2216 NUP2217 NUP2218 NUP2219 NUP2220 NUP2221 NUP2222
NUP2224 NUP2226 NUP2228 NUP2230 NUP2232 NUP2234 NUP2236 NUP2238 NUP2240
NUP2244 NUP2248 NUP2252 NUP2256 NUP2260
NUP2307 NUP2308 NUP2309 NUP2310 NUP2311 NUP2312 NUP2313 NUP2314 NUP2315
NUP2316 NUP2317 NUP2318 NUP2319 NUP2320 NUP2322 NUP2324 NUP2326 NUP2328
NF2204 NF2205 NF2206 NF2207 NF2208 NF2209 NF2210 NF2211 NF2212
NF2213 NF2214 NF2215 NF2216 NF2217 NF2218 NF2219 NF2220 NF2221
NF2222 NF2224 NF2226
Company Profile
Rainbow auto parts focuses on the production and sales of auto parts. Our auto parts have been exported to all over the world and have won praise from customers.
We will strictly check the product production process:
- Checking the raw material after they reach our factory
- Checking the details before the production line operated
- Have a full inspection and routing inspection during mass production
- Checking the goods after they are finished
Packaging & Shipping
ORIGINAL PACKING/ NEUTRAL PACKING/ PACKAGING AS CUSTOMER REQUIRE
FAQ
Q: What is the MOQ?
A: It depends on what you are buying. Small MOQ can be acceptable.
Q: Can you customize my products?
A: Yes, we can customize products with your design drawings.
Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.
Q. What is your terms of packing?
A: Generally,we use brown boxes for packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q. How about your delivery time?
A: If the product is in stock, the delivery time is 1 week after payment. If there is no stock, the delivery time is 30 days.
Q. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q. What can I do if the item damaged during transportation?
A: Our customer service staffs will help you with any questions or concerns. Under any circumstance, we will pack products well before shipping. So if any damage on products, please take pictures for us. We will figure out a solve way.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Full After Sale Service |
|---|---|
| Warranty: | 30000-50000 Km |
| Type: | Wheel Bearing |
| Samples: |
US$ 50/Set
1 Set(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: |
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|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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 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 2024-02-26
China OEM 2322m 2322 Self Aligning Bearing with 110X240X80 Ball Bearing wheel bearing
Product Description
Self aligning ball bearings mainly bear radial loads and can also withstand small axial loads. The axial displacement of the
shaft (shell) is limited within the clearance limit, with automatic centering performance, allowing normal operation under
conditions of relatively small internal and external inclination. It is suitable for components where the support seat hole cannot
strictly guarantee coaxiality. Self aligning ball bearings are suitable for bearing heavy and impact loads, precision instruments,
low noise motors, automobiles, motorcycles, metallurgy, rolling mills, mines, petroleum, papermaking, cement, sugar squeezing
and other industries, as well as general machinery.
|
Type |
BALL |
|
Structure |
Self-Aligning |
|
Applicable Industries |
Food Shop, Energy & Mining, Food & Beverage Shops, Advertising Company |
|
Precision Rating |
P0 P6 P5 P4 P2 |
|
Seals Type |
OPEN OR SEAL |
|
Number of Row |
Double row |
|
Product name |
Self-aligning Roller Bearing |
Company Profile
In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.
“zero defect, zero complaints” as the quality objective.
FAQ
Q: Are you trading company or manufacturer ?
A: We are a trading company specializing in exporting bearings.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the
goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge
Q.You provide free consultation service?
Yes, before, during and after order, anytime.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Product Name: | Self Aligning Ball Bearing |
|---|---|
| Characteristic: | High Precision |
| Advantage: | Large Bearing Capacity |
| Holder: | Copper and Iron Retainers |
| Quality: | High Quality |
| Rolling Body: | Roller Bearings |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 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 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 2024-02-25
China Custom CZPT CZPT Suppliers Good Performance Deep Groove Ball Bearing 6002 2RS/Zz 15*32*9 for Engineering Machinery wheel bearing
Product Description
Deep groove ball bearing is 1 of the most widely used rolling bearings. It is characterized by small friction resistance and high speed. It can be used to bear radial load or combined load of radial and axial at the same time. It can also be used to bear axial
load.
Deep groove ball bearing type has single row and double row 2 kinds. divided into sealed and open 2 kinds of structure, open refers to the bearing does not have a sealed structure, sealed deep groove ball bearing is divided into dust-proof seal (2Z)and oil-proof seal (2RS).
Deep groove ball bearing can be used for gearbox, instrument, motor, household appliances,internal combustion engine, traffic vehicles, agricultural machinery, construction machinery, engineering machinery.
| NO. | Bearing type | Dimension(mm) | Weight | |||
| d | D | B(Open) | B(ZZ/2RS) | (KG) | ||
| 1 | R10 | 15.875 | 34.925 | 7.143 | 8.73 | 0.037 |
| 2 | R12 | 19.05 | 41.275 | 7.938 | 11.112 | 0.047 |
| 3 | R14 | 22.225 | 47.625 | 9.525 | 12.7 | 0.071 |
| 4 | R16 | 25.4 | 50.8 | 9.525 | 12.7 | 0.085 |
| 5 | R18 | 28.575 | 53.975 | 9.525 | 12.7 | 0.09 |
| 6 | R20 | 31.75 | 57.15 | 9.525 | 12.7 | 0.094 |
| 7 | R155 | 3.969 | 7.938 | 2.779 | 3.175 | |
| 8 | R156 | 4.763 | 7.938 | 2.779 | 3.175 | |
| 9 | R166 | 4.763 | 9.525 | 3.175 | 3.175 | |
| 10 | R168 | 6.35 | 9.525 | 3.175 | 3.175 | |
| 11 | R188 | 6.35 | 12.7 | 3.175 | 4.763 | |
| 12 | R1601 | 4.763 | 17.462 | 6.35 | 7.938 | |
| 13 | R1603 | 7.938 | 22.225 | 7.142 | 8.731 | |
| 14 | R1038 | 9.525 | 15.875 | 3.967 | 3.967 | |
| 15 | R1212 | 12.7 | 19.05 | 3.967 | 3.967 | |
| 16 | 692 | 2 | 6 | 2.3 | 3 | 0.00031 |
| 17 | 693 | 3 | 8 | 3 | 4 | 0.00061 |
| 18 | 694 | 4 | 11 | 4 | 4 | 0.0018 |
| 19 | 695 | 5 | 13 | 4 | 4 | 0.0571 |
| 20 | 696 | 6 | 15 | 5 | 5 | 0.0038 |
HIGH
HARDNESS
Long use time is not easy to wear,
meticulous workmanship
STABLE
PERFORMANCE
Stable operation, not easy to hot
suitable for a variety of scenarios
HIGH QUALITY
REARING STEEI
The product is made
of bearing steel with uniform
hardness and wear resistance
Bearing products are widely used in railway, aerospace, light and heavy industry, food machinery and many other fields.
ZheJiang Deruna Bearing Co.,Ltd.is a pro-fessional bearing factory and trading companyin HangZhou, ZheJiang .Now we have a group of outstanding technicalpersonnel with rich experience and many yearsof work,and advanced automatic productionine of bearings.Our factory mainly produce pillow block bearing with housing,deepgroove ball bearing, tapered roller bearing and sales of other types of bearings. With our serious effort in the bearing field for nearly 20 years, we have the extensive experience of working with many internationally renowned companies.
In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,ZheJiang province.
Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
1.I couldn’t find a design to fit my application in your catalog. Can you help me design a bearing?
Yes, technical expertise is available to assist you with engineering design for custom products. Available options include, but are not limited to, custom rings, retainers, balls, shields, lubricants, and packaging. We look forward to working with you to satisfy your rotary motion requirements.
2.How Can We Guarantee Quality?
We have professional inspection equipment and quality inspection personnel. Firstly, we will strictly control the production of products in the production process, and strictly screen the finished products after they are finished.
3.How Long is Your Delivery Time?
Generally takes about 7-15 working days for production based on specifications for your order and quantity. Inventory bearings can arrange shipment immediately after payment received.
4.Where is your port of shipment located?
Our main port of shipment is HangZhou & Qindao port, and we may operate at other ports if required by the customer.
5.What is Your Terms of Payment ?
Payment1,000usd, 30% T/t in Advance, Balance Before Shipment.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Cage: | Steel Cage.Copper Cage |
|---|---|
| Seals Type: | Open |
| Feature: | Long Life |
| Bearings Type: | Ball Bearing |
| Vibration: | Z1V1 Z2V2 Z3V3 |
| Aligning: | Non-Aligning Bearing |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
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 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 2024-02-24
China supplier Slewing Bearing Tapered Roller Steel Ball Bearings Deep Groove Puller Front Wheel Hub Pillow Block Taper Roller Angular Contact Rear Wheel Linear Auto Bearing wholesaler
Product Description
Slewing bearing Tapered Roller steel ball bearings Deep Groove puller front wheel hub pillow block taper roller angular contact rear wheel linear auto bearing
Application of Slewing bearing
A slewing bearing, also called a turntable bearing, is a type of bearing that allows for a heavy but slow-turning or slowly-oscillating load to be supported in combination (axial, radial and moment loads), often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis (yaw) windmill. In other orientations (e.g. a horizontal axis of rotation) they are used in materials handling grapples, forklift attachments, welding turnover jigs and so on.
Slewing rings range in size from as little as 100mm diameter to well over 15 000mm (often segmented at this size for easy transport and handling); for example the bearings on the Falkirk Wheel are 4 meters diameter and fit over a 3.5 meter axle. Slewing bearings are often made with gear teeth integral with the inner or outer race (or both in rare cases) used to drive the platform relative to the base (for example in winches).
Slewing rings are used in a variety of applications, including:
- Wind turbines: Slewing bearings are used in wind turbines to support the nacelle and rotor blades.
- Cranes: Slewing bearings are used in cranes to support the boom and jib.
- Drilling rigs: Slewing bearings are used in drilling rigs to support the mast and drill string.
- Robotics: Slewing bearings are used in robotics to support the manipulator arm.
- Machine tools: Slewing bearings are used in machine tools to support the spindle and workpiece.
Slewing bearings are a critical component in many applications. They are responsible for supporting heavy loads and allowing for smooth and precise movement.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Bearing Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Axial Bearing |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|
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.
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.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-02-22
China Professional Stable Performance Wheel Bearing R8 Miniature Ball Bearings bearing distributors
Product Description
Product Description
BEARING INNER RING
A steel ball with a common steel ball or roller rolling on the outer surface of the inner ring.
RUBBER SEALAFTER CODE: RS 2RS Z ZZ
The sealing material is made of skeleton rubber and has good dust-proof effect, which can prevent any foreign matter from invading and dust and water in a harsh environment.
Main Features1.Bearing moves very Fast & Quiet, with very smooth hand feeling
2.High precision, long life, low noise
3.High-end technology
4.Good after-sales service
Company Profile
HangZhou CZPT Machinery Technology Co., Ltd is industry and trade company which modern enterprise integrating scientific research, development, manufacture and trading. Based on integrity, responsibility and cooperation, our company have professional R&D and sales team, providing one-stop service for customers. Our company mainly products is Bearing, Jack Hammer, Screw Air Compressor, Piston Air Compressor and Other Machinery Hardware Product etc.
After many years of production and research and development, we have obtained more than 20 national patents. The products are sold at home and abroad and are well received by customers. Our products sold at home and abroad, after get the self-managemert import and export rights, our products are exported to Vietnam, Indonesia, Philippines, Cambodia, Pakistan, Afghanistan and other countries and regions.
Application
Electric motors and generators
Agriculture
Material handling
Industrial transmissions
Food and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and light trucks
Packaging & Shipping
Customer feedback
FAQ
Q1: Are you factory or trade company?
A1: We are factory. And we have our own trading company.
Q2: What the exactly address of your factory?
A2: Our company is located in Xihu (West Lake) Dis. East Road, Xihu (West Lake) Dis. District, HangZhou, ZHangZhoug, China.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: What about the voltage of products? Can they be customized?
A4: Yes, of course. The voltage can be customized according to your equipment.
Q5: Which payment term can you accept?
A5: 30% T/T in advance, 70% T/T against the B/L copy.
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Q7: Which trade term can you accept?
A7: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Provided |
|---|---|
| Type: | Engine Bearing |
| Material: | Chrome Steel |
| Tolerance: | P0 |
| Clearance: | C2 |
| ABS: | Without ABS |
| Samples: |
US$ 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.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-02-18
China wholesaler Ek10 Ef10 Ekef10 Lock Nut Sfu1204 Ball Screw End Support Unit Bearing for CNC Machine Tool wheel bearing
Product Description
Product Description
| BK type: thrust pillow block fixed |
BK10, BK12, BK15, BK17, BK20, BK25, BK30, BK35, BK40, BK50 |
| BF type: radial simple support |
BF10, BF12, BF15, BF17, BF20, BF25, BF30, BF35, BF40, BF50 |
| EK type: fixed side |
EK06, EK08, EK10, EK12, EK15, EK20, EK25 |
| EF type: floated side |
EF06, EF08, EF10, EF12, EF15, EF20, EF25 |
| FK type: flange mount thrust bearing |
FK06, FK08, FK10, FK12, FK15, FK17, FK20, FK25, FK30, FK40 |
| FF type: flange mount simple support |
FF06, FF08, FF10, FF12, FF15, FF17, FF20, FF25, FF30, FF40 |
Detailed Photos
Product Parameters
Packaging & Shipping
Company Profile
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd
ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is 1 of the biggest linear CZPT and ball screw manufacture in China,with strong technical strength, advanced production equipments, high-quality staff team and perfect after-sales services, our company is the precision machinery manufacturer with research and development, manufacturing, sales, service all in one.
After Sales Service
Customer Service
The products are mature with high quality. They are not only sold well all over the country, but also exported to Europe, Americas, Southeast Asia, Africa and more than 70 countries. They have excellent marketing performance, highly appreciated and trusted by the vast number of customers.
If you have any needs, Please contact with me directly!
FAQ
1. Q: How about the quality of your product?
A: 100% inspection during production. Our products are certified to ISO9001-2008 international quality standards.
2. Q: What’s the delivery time?
A: For custom order, within 2000 meters, Production time is 15days after confirmed every details.
3. Q: What’s your packing?
A: Our Normal packing is bulking in PE bag, and then into plywood Cartons. We also can pack products according to your requirement.
4. Q: What about the warranty?
A: We are very confident in our products,and we pack them very well to make sure the goods in well protection.
5. Q: Could you send me your catalogue and price list?
A: As we have more than hundreds of products,it is really too hard to send all of catalogue and price list for you. Please inform us the style you interested, we can offer the pricelist for your reference.
6. Q:There are a lot of companies which export bearings, why do you choose us?
A: As we are a genuine linear CZPT supplier since 2011.and we are really factory, you need not pay the profit for middlemen. so we can offer you the lowest and competitive price .
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | 3D Printer |
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| Material: | Steel |
| Structure: | Ball Screw |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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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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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 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.
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 2024-02-15
China supplier 5x22x8.5 mm Polyurethane Soft Rubber Wheel Nylon Coated Ball Bearing With Stud bearing driver kit
Product Description
Product Description
Polyurethane Soft Rubber Wheel
PU Coated Ball Bearings With Stainless Steel Stud, we can offe M3 M4 M5 M6 M8 and Non-standard Size.
Product Parameters
Technical specification:
Material: Polyurethane Coated with Stainless Steel Stud
Packaging & Shipping
Our Advantages
1. We have over 10 years’ experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.
Please contact us immediately if you have any questions.
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/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Aligning: | Non-Aligning Bearing |
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| Separated: | Unseparated |
| Rows Number: | Single |
| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| 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 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.
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 2024-02-13