Product Description
Product features
Deep groove ball bearing is a common rolling bearing, its inner ring and outer ring are both spherical, can bear radial and axial load, suitable for high-speed rotation and low noise occasions. The following are more introductions of deep groove ball bearings:
Structure type: The structure types of deep groove ball bearings include single-row, double-row and four-point contact and other types. Among them, single-row deep groove ball bearings are the most common, and the spherical raceway between the inner and outer rings enables the bearing to withstand radial and axial loads. Double-row deep groove ball bearings have a higher load capacity and are suitable for occasions that need to bear large radial and axial loads. Four-point contact deep groove ball bearings can withstand greater radial and axial loads, and can also withstand a certain tilting moment.
Material selection: The material selection of deep groove ball bearings includes steel, stainless steel, ceramics and other materials. Among them, steel deep groove ball bearings have good wear resistance and strength and are suitable for most industrial applications. Stainless steel deep groove ball bearings have good corrosion resistance and are suitable for humid and corrosive environments. Ceramic deep groove ball bearings have good wear resistance and corrosion resistance, and are suitable for high-speed rotation and high-temperature environments.
Dimensions: Deep groove ball bearings are available in various sizes, ranging from small to large. Generally speaking, the inner diameter of deep groove ball bearings ranges from 1 mm to 500 mm, the outer diameter ranges from 3 mm to 800 mm, and the thickness ranges from 1 mm to 200 mm. Appropriate size specifications can be selected according to the needs of different equipment.
Scope of application: deep groove ball bearings are widely used in mechanical equipment, automobiles, motors, instruments, household appliances and other fields. For example, deep groove ball bearings can be used between the rotor and stator in motors, in hubs and transmission systems in automobiles, in transmission systems and support systems in mechanical equipment, etc.
Advantages: Deep groove ball bearings have the advantages of simple structure, convenient use, wear resistance and low noise. At the same time, the contact area between the ball and the raceway of the deep groove ball bearing is small, so the friction coefficient is small, which can reduce energy loss and improve mechanical efficiency.
In short, deep groove ball bearings are a common rolling bearing with the advantages of simple structure, convenient use, wear resistance, low noise, etc., and are suitable for mechanical equipment, automobiles, motors, instruments, household appliances and other fields.
Company Profile
ZheJiang Jieyi Bearing Co., Ltd. is a more than 20-year history of bearing trading company. We are located in the biggest bearing town in China–Yiandian Town.
Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings, Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings.
Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.
With over 20 years′ experience in bearings market, Jieyi Bearing have built up good relationship with all of our customers and quality factory. We always get satisfactory feedback from our customers because of the high quality products and good OEM service. We always supply the quality, stable, economical bearings and proper technical services.
Jieyi Bearing has advanced quality testing and inspecting equipment, to guarantee product quality meets customers’ demand. Annually our company′s export over 10 million dollars.
To service dear customers at the fastest speed, we built a great Warehouse to stock bearings, so as to ship your required bearings fast. Inside of the bearing warehouse, there is all sourcing of bearing stock, with all kinds of bearings, over 10000 types.
Welcome to people of various enterprises with advance!
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory and trading company.
Q: How long is your delivery time?
A: Within 7 days with stock. 15-30 days for 1 container to OEM brand following your request
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge, freight cost need to be charged.
Q: What is your payment term?
A: We accept 30% TT advance ,70% balance against the bill loading copy. Also 100% L/C is ok.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 60° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
What 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 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 2024-05-14
China best CZPT Deep Groove Ball Bearing 6907/25 Size 25*55*10mm manufacturer
Product Description
Koyo deep groove ball bearing 6907/25 size 25*55*10mm
We can supply Bearings And Ball Bearings, please feel free to contact us!
Product Parameters
| Product Name | Bearing |
| Brand | KOYO |
| Model | 6907/25 |
| Warranty | 1 Year |
| Application | Industrial Ect |
| Technical consulting support | Yes |
Real Picture
Company Profile
ZheJiang CZPT Xing Trading Co.,Ltd is a professional supplier of Inverter,Servo Motor,PLC And HMI with 20 years production experience.
Our main products Inverter,Servo Motor,PLC And HMI are widely applied to the field of industrial automation control.
We guaranteed 100% new brand original, and we have a lot of stock with fast delivery. The technical support and after sale service
is provided and customer’s questions will be responded in the first time.
Main Products:
1. Servo system products
2. Linear motion products
3. Sensor products
4. Frequency converter, PLC,
FAQ
1.Q: How about the warranty ?
A: Aiwell provide 12 months warranty for all the goods from us , and you can refund the goods with any quality problem in 15 days.
2.Q: Other supplier have a better pice than yours.
A: “To create more benefit fir clients”is our belief, if you have a better price , please let Aiwell know , we will try best to meet your price and support you.
3.Q: We have not cooperated before , how can we believe you ?
A: For our first order , you can pay after we prepare the goods.
4.Q: What about shipment ?
A: We have DHL forwarder with competitive price , of course , cutsomers can also use their own freight forwarders.
/* 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
| Contact Angle: | 60° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Carbon Steel |
| 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.
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.
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 2024-04-19
China Custom Ucpf Series Inch Bore Size Spherical Ball Bearings with Pressed Blocks ball bearing
Product Description
Block bearing Description:
1).The pillow block bearing units are the combination of 1 Y-bearing(insert bearing, which is a single row deep groove ball bearing with convex sphered outside) and a plummer block housing(which has a correspondingly sphered but concave bore).
2).This bearing units are available in various materials and styles and can incorporate most of bearings. The main 3 types of materials for the housing include: CZPT material, grey cast iron, sheet steel.
3).The plummber block units are secured on the shaft via the bearing inner ring by: (1). Grub screws; (2). Eccentric locking collar with grub screw; (3). Adapter sleeve.
The rib at the bottom of the housing mounting section provides for a robust unit that can withstand great loads from any direction. Mounted units with cast steel housings are also available in this series, and are used for applications with severe loading and shock load conditions. Tapered-bore style units are offered individually and adapters are sold separately.
Our advantages:
We now have 100 customers from all over the world.
1. We have own factory and 80% of staff in our company worked for more than 10 years.
2. We provide a competitive price.
3. High precision, tolerance can be within ±0.01mm.
4. 14 years’ export experience.
5. Small order also is welcomed.
6. We can also provide one-stop service, including mold and assembly.
7. NDA apply to all customers.
Mould Warehouse
FAQ
1.Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but do not pay the cost of freight.
2. How about the shipping cost?
The cost of shipping depends on the method you choose to obtain the goods. Express delivery is usually the fastest method, but it is also the most expensive method. Shipping is the best solution for large quantities. For the exact shipping cost, we can only provide you with detailed information after knowing the quantity, weight and dimension.
3. Do you have Stock productions to sell?
Yes, of course. But we also offer OEM service. The mold is customized, Please send us some drawing.
What information do you want to know if i want to get a quotation?
a). The application for your products.
b). Special package methods if you needs.
4. Do you inspect the finished products?
Yes. Each step of products will be carried out inspection by QC department until shipping
5. How long is your delivery time?
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. /* 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
| Logo Printing: | with Logo Printing |
|---|---|
| Size: | Middle |
| Customized: | Non-Customized |
| Type: | Bearing |
| Material: | Metal |
| Certification: | ISO 9001:2008, ISO 9001:2000, CE |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
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 2024-03-05
China manufacturer G10 All Size Bearing Ball 2.381mm 52100 Chrome Steel Ball Bearing drive shaft bearing
Product Description
G10 all size bearing ball 2.381mm 52100 chrome steel ball bearing
Product Parameters
|
Product Name |
Bearing ball |
| Material | Gcr15 |
| Size | 0.3 To 100mm |
| Shape | Round Ball |
| Surface Treatment | High Hardness And Wear Resistance |
| Application | automobile industry aerospace industry |
| Package | Plastic Bag+carton Box |
| Type | Solid |
| Certifications | ISO ROHS |
Detailed Photos
Production and Packing
Company Profile
is 1 of famous and professional stainless steel ball factory from china . We have 2 professional factory to produce steel ball ,one is in ZheJiang province(5000 square meters),other 1 is in ZheJiang province (10000 square meters ) .
With over 20years history,our factory have good reputation from our customers and government,so our factory passed ISO9001:2008 and our products got RHOS Certificates . We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430). also produce chrome steel ball (AISI52100,100CR6,GCR15),carbon steel ball(1015,1571,1045,1085), copper brass balls, plastic ball,glass ball,Tungsten carbide ball, flying saucer ball, polishing media ball,ceramic ball,Aluminum ball and other kinds of material ball. We have the ability to provide many kinds of steel ball, of which accuracy range is G10-G1000,size 0.3mm-50.8mm. The brand “XinXin” is trusted deeply by customers. Welcome to visit our factory and looking forwarder to cooperate with you !
/* 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(/(.*?):(.*)$/))&&1
| Customized: | Customized |
|---|---|
| Certification: | CE, ISO |
| Standard Parts: | Yes |
| Universal: | Yes |
| Type: | Bearing Ball |
| Material: | Stainless Steel |
| Samples: |
US$ 30/kg
1 kg(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.
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 2024-02-24
China factory Miniature Ball Bearing Size Chart 692zz 693zz 694zz 685zz 696zz 687zz 688zz 689zz 609zz 6900zz 6901zz 6902zz 6903zz Metric Miniature Ball Bearing deep groove ball bearing
Product Description
PRODUCTS CATALOGUE
| PART NUMBER | SEAL TYPE | Bore diameter(d) | Outer diameter(D) | Width(B) | BALL SIZE(mm) | BALL QTY | weight(g) |
| 681 | open | 1 | 3 | 1 | 0.6 | 6 | 0.03 |
| 691 | open | 1 | 4 | 1.6 | 0.8 | 5 | 0.11 |
| 681X | open | 1.5 | 4 | 1.2 | 0.6 | 7 | 0.1 |
| 681xzz | Shield | 1.5 | 4 | 2 | 0.6 | 7 | 0.14 |
| 691X | open | 1.5 | 5 | 2 | 0.6 | 6 | 0.2 |
| 691XZZ | Shield | 1.5 | 5 | 2.6 | 0.6 | 6 | 0.25 |
| 601X | open | 1.5 | 6 | 2.5 | 1.2 | 6 | 0.31 |
| 601XZZ | Shield | 1.5 | 6 | 3 | 1.2 | 6 | 0.4 |
| 682 | open | 2 | 5 | 1.5 | 0.8 | 6 | 0.15 |
| 682zz | Shield | 2 | 5 | 2.3 | 0.8 | 6 | 0.2 |
| 682-2RS | Rubber seal | 2 | 5 | 2.3 | 0.8 | 6 | 0.2 |
| MR52 | open | 2 | 5 | 2 | 0.8 | 6 | 0.14 |
| MR52ZZ | Shield | 2 | 5 | 2.5 | 0.8 | 6 | 0.2 |
| MR52-2RS | Rubber seal | 2 | 5 | 2.5 | 0.8 | 6 | 0.2 |
| 692 | open | 2 | 6 | 2.3 | 1.2 | 6 | 0.28 |
| 692ZZ | Shield | 2 | 6 | 3 | 1.2 | 6 | 0.35 |
| 692-2RS | Rubber seal | 2 | 6 | 3 | 1.2 | 6 | 0.35 |
| MR62 | open | 2 | 6 | 2.5 | 1.2 | 6 | 0.28 |
| MR62ZZ | Shield | 2 | 6 | 2.5 | 1.2 | 6 | 0.33 |
| MR62-2RS | Rubber seal | 2 | 6 | 2.5 | 1.2 | 6 | 0.33 |
| MR72 | open | 2 | 7 | 2.5 | 1.2 | 7 | 0.43 |
| MR72ZZ | Shield | 2 | 7 | 3 | 1.2 | 7 | 0.53 |
| MR72-2RS | Rubber seal | 2 | 7 | 3 | 1.2 | 7 | 0.53 |
| 602 | open | 2 | 7 | 2.8 | 1.2 | 7 | 0.5 |
| 602ZZ | Shield | 2 | 7 | 3.5 | 1.2 | 7 | 0.6 |
| 602-2RS | Rubber seal | 2 | 7 | 3.5 | 1.2 | 7 | 0.6 |
| 682X | open | 2.5 | 6 | 1.8 | 0.8 | 8 | 0.2 |
| 682XZZ | Shield | 2.5 | 6 | 2.6 | 0.8 | 8 | 0.35 |
| 682X-2RS | Rubber seal | 2.5 | 6 | 2.6 | 0.8 | 8 | 0.35 |
| 692X | open | 2.5 | 7 | 2.5 | 1.2 | 7 | 0.4 |
| 692XZZ | Shield | 2.5 | 7 | 3.5 | 1.2 | 7 | 0.55 |
| 692X-2RS | Rubber seal | 2.5 | 7 | 3.5 | 1.2 | 7 | 0.55 |
| MR82X | open | 2.5 | 8 | 2.5 | 1.588 | 6 | 0.52 |
| MR82XZZ | Shield | 2.5 | 8 | 2.5 | 1.588 | 6 | 0.52 |
| MR82X-2RS | Rubber seal | 2.5 | 8 | 2.5 | 1.588 | 6 | 0.52 |
| 602X | open | 2.5 | 8 | 2.8 | 1.588 | 6 | 0.61 |
| 602XZZ | Shield | 2.5 | 8 | 4 | 1.588 | 6 | 0.85 |
| 602X-2RS | Rubber seal | 2.5 | 8 | 4 | 1.588 | 6 | 0.85 |
| MR63 | open | 3 | 6 | 2 | 0.8 | 8 | 0.2 |
| MR63ZZ | Shield | 3 | 6 | 2.5 | 0.8 | 8 | 0.28 |
| MR63-2RS | Rubber seal | 3 | 6 | 2.5 | 0.8 | 8 | 0.28 |
| 683 | open | 3 | 7 | 2 | 1 | 8 | 0.32 |
| 683ZZ | Shield | 3 | 7 | 3 | 1 | 8 | 0.45 |
| 683-2RS | Rubber seal | 3 | 7 | 3 | 1 | 8 | 0.45 |
| MR83 | open | 3 | 8 | 2.5 | 1.2 | 7 | 0.51 |
| MR83ZZ | Shield | 3 | 8 | 3 | 1.2 | 7 | 0.67 |
| MR83-2RS | Rubber seal | 3 | 8 | 3 | 1.2 | 7 | 0.67 |
| 693 | open | 3 | 8 | 3 | 1.2 | 7 | 0.6 |
| 693ZZ | Shield | 3 | 8 | 4 | 1.2 | 7 | 0.8 |
| 693-2RS | Rubber seal | 3 | 8 | 4 | 1.2 | 7 | 0.8 |
| MR93 | open | 3 | 9 | 2.5 | 1.588 | 6 | 0.75 |
| MR93ZZ | Shield | 3 | 9 | 4 | 1.588 | 6 | 1.15 |
| MR93-2RS | Rubber seal | 3 | 9 | 4 | 1.588 | 6 | 1.15 |
| 603 | open | 3 | 9 | 3 | 1.588 | 6 | 0.84 |
| 603ZZ | Shield | 3 | 9 | 5 | 1.588 | 6 | 1.13 |
| 603-2RS | Rubber seal | 3 | 9 | 5 | 1.588 | 6 | 1.13 |
| 623 | open | 3 | 10 | 4 | 1.588 | 7 | 1.45 |
| 623ZZ | Shield | 3 | 10 | 4 | 1.588 | 7 | 1.65 |
| 623-2RS | Rubber seal | 3 | 10 | 4 | 1.588 | 7 | 1.65 |
| 633 | open | 3 | 13 | 5 | 2.381 | 7 | 3.27 |
| 633ZZ | Shield | 3 | 13 | 5 | 2.381 | 7 | 3.43 |
| 633-2RS | Rubber seal | 3 | 13 | 5 | 2.381 | 7 | 3.43 |
| MR74 | open | 4 | 7 | 2 | 1 | 8 | 0.23 |
| MR74ZZ | Shield | 4 | 7 | 2.5 | 1 | 8 | 0.33 |
| MR74-2RS | Rubber seal | 4 | 7 | 2.5 | 1 | 8 | 0.33 |
| MR84 | open | 4 | 8 | 2 | 1.2 | 7 | 0.39 |
| MR84ZZ | Shield | 4 | 8 | 3 | 1.2 | 7 | 0.56 |
| MR84-2RS | Rubber seal | 4 | 8 | 3 | 1.2 | 7 | 0.56 |
| 684 | open | 4 | 9 | 2.5 | 1.588 | 7 | 0.65 |
| 684ZZ | Shield | 4 | 9 | 4 | 1.588 | 7 | 1 |
| 684-2RS | Rubber seal | 4 | 9 | 4 | 1.588 | 7 | 1 |
| MR104 | open | 4 | 10 | 3 | 1.588 | 8 | 0.96 |
| MR104ZZ | Shield | 4 | 10 | 4 | 1.588 | 8 | 1.33 |
| MR104-2RS | Rubber seal | 4 | 10 | 4 | 1.588 | 8 | 1.33 |
| 694 | open | 4 | 11 | 4 | 2 | 7 | 1.69 |
| 694ZZ | Shield | 4 | 11 | 4 | 2 | 7 | 1.75 |
| 694-2RS | Rubber seal | 4 | 11 | 4 | 2 | 7 | 1.75 |
| 604 | open | 4 | 12 | 4 | 2 | 7 | 2.19 |
| 604ZZ | Shield | 4 | 12 | 4 | 2 | 7 | 2.34 |
| 604-2RS | Rubber seal | 4 | 12 | 4 | 2 | 7 | 2.34 |
| 624 | open | 4 | 13 | 5 | 2.381 | 7 | 3.1 |
| 624ZZ | Shield | 4 | 13 | 5 | 2.381 | 7 | 3.2 |
| 624-2RS | Rubber seal | 4 | 13 | 5 | 2.381 | 7 | 3.2 |
| 634 | open | 4 | 16 | 5 | 2.381 | 7 | 5.24 |
| 634ZZ | Shield | 4 | 16 | 5 | 2.381 | 7 | 5.44 |
| 634-2RS | Rubber seal | 4 | 16 | 5 | 2.381 | 7 | 5.44 |
| MR85 | open | 5 | 8 | 2 | 1 | 8 | 0.25 |
| MR85ZZ | Shield | 5 | 8 | 2.5 | 1 | 8 | 0.34 |
| MR85-2RS | Rubber seal | 5 | 8 | 2.5 | 1 | 8 | 0.34 |
| MR95 | open | 5 | 9 | 2.5 | 1.2 | 8 | 0.54 |
| MR95ZZ | Shield | 5 | 9 | 3 | 1.2 | 8 | 0.58 |
| MR95-2RS | Rubber seal | 5 | 9 | 3 | 1.2 | 8 | 0.58 |
| MR105 | open | 5 | 10 | 3 | 1.2 | 8 | 0.58 |
| MR105ZZ | Shield | 5 | 10 | 4 | 1.2 | 8 | 0.62 |
| MR105-2RS | Rubber seal | 5 | 10 | 4 | 1.2 | 8 | 0.62 |
| MR115 | open | 5 | 11 | 4 | 1.588 | 8 | 0.62 |
| MR115ZZ | Shield | 5 | 11 | 4 | 1.588 | 8 | 0.62 |
| MR115-2RS | Rubber seal | 5 | 11 | 4 | 1.588 | 8 | 0.62 |
| 685 | open | 5 | 11 | 3 | 1.588 | 8 | 1.16 |
| 685ZZ | Shield | 5 | 11 | 5 | 1.588 | 8 | 1.93 |
| 685-2RS | Rubber seal | 5 | 11 | 5 | 1.588 | 8 | 1.93 |
| 695 | open | 5 | 13 | 4 | 2 | 8 | 2.31 |
| 695ZZ | Shield | 5 | 13 | 4 | 2 | 8 | 2.39 |
| 695-2RS | Rubber seal | 5 | 13 | 4 | 2 | 8 | 2.39 |
| 605 | open | 5 | 14 | 5 | 2.381 | 7 | 3.46 |
| 605ZZ | Shield | 5 | 14 | 5 | 2.381 | 7 | 3.75 |
| 605-2RS | Rubber seal | 5 | 14 | 5 | 2.381 | 7 | 3.75 |
| 625 | open | 5 | 16 | 5 | 2.778 | 7 | 4.95 |
| 625ZZ | Shield | 5 | 16 | 5 | 2.778 | 7 | 5.1 |
| 625-2RS | Rubber seal | 5 | 16 | 5 | 2.778 | 7 | 5.1 |
| 635 | open | 5 | 19 | 6 | 3.5 | 6 | 8.5 |
| 635ZZ | Shield | 5 | 19 | 6 | 3.5 | 6 | 8.89 |
| 635-2RS | Rubber seal | 5 | 19 | 6 | 3.5 | 6 | 8.89 |
| MR106 | open | 6 | 10 | 2.5 | 1.2 | 10 | 0.55 |
| MR106ZZ | Shield | 6 | 10 | 3 | 1.2 | 10 | 0.7 |
| MR106-2RS | Rubber seal | 6 | 10 | 3 | 1.2 | 10 | 0.7 |
| MR126 | open | 6 | 12 | 3 | 1.588 | 8 | 1.25 |
| MR126ZZ | Shield | 6 | 12 | 4 | 1.588 | 8 | 1.66 |
| MR126-2RS | Rubber seal | 6 | 12 | 4 | 1.588 | 8 | 1.66 |
| 686 | open | 6 | 13 | 3.5 | 2 | 8 | 1.87 |
| 686ZZ | Shield | 6 | 13 | 5 | 2 | 8 | 2.68 |
| 686-2RS | Rubber seal | 6 | 13 | 5 | 2 | 8 | 2.68 |
| 696 | open | 6 | 15 | 5 | 2.381 | 7 | 3.65 |
| 696ZZ | Shield | 6 | 15 | 5 | 2.381 | 7 | 3.85 |
| 696-2RS | Rubber seal | 6 | 15 | 5 | 2.381 | 7 | 3.85 |
| 606 | open | 6 | 17 | 6 | 3.5 | 6 | 5.94 |
| 606ZZ | Shield | 6 | 17 | 6 | 3.5 | 6 | 6.89 |
| 606-2RS | Rubber seal | 6 | 17 | 6 | 3.5 | 6 | 6.89 |
| 626 | open | 6 | 19 | 6 | 3.5 | 6 | 8.12 |
| 626ZZ | Shield | 6 | 19 | 6 | 3.5 | 6 | 8.65 |
| 626-2RS | Rubber seal | 6 | 19 | 6 | 3.5 | 6 | 8.65 |
| 636 | open | 6 | 22 | 7 | 3.969 | 7 | 13.9 |
| 636ZZ | Shield | 6 | 22 | 7 | 3.969 | 7 | 14.5 |
| 636-2RS | Rubber seal | 6 | 22 | 7 | 3.969 | 7 | 14.5 |
| MR117 | open | 7 | 11 | 2.5 | 1.2 | 9 | 0.59 |
| MR117ZZ | Shield | 7 | 11 | 3 | 1.2 | 9 | 0.71 |
| MR117-2RS | Rubber seal | 7 | 11 | 3 | 1.2 | 9 | 0.71 |
| MR137 | open | 7 | 13 | 3 | 1.2 | 12 | 1.52 |
| MR137ZZ | Shield | 7 | 13 | 4 | 1.2 | 12 | 2.01 |
| MR137-2RS | Rubber seal | 7 | 13 | 4 | 1.2 | 12 | 2.01 |
| 687 | open | 7 | 14 | 3.5 | 2 | 9 | 2.03 |
| 687ZZ | Shield | 7 | 14 | 5 | 2 | 9 | 2.95 |
| 687-2RS | Rubber seal | 7 | 14 | 5 | 2 | 9 | 2.95 |
| 697 | open | 7 | 17 | 5 | 2 | 9 | 5.01 |
| 697ZZ | Shield | 7 | 17 | 5 | 2 | 9 | 5.26 |
| 697-2RS | Rubber seal | 7 | 17 | 5 | 2 | 9 | 5.26 |
| 607 | open | 7 | 19 | 6 | 3.5 | 6 | 7.8 |
| 607ZZ | Shield | 7 | 19 | 6 | 3.5 | 6 | 8.24 |
| 607-2RS | Rubber seal | 7 | 19 | 6 | 3.5 | 6 | 8.24 |
| 627 | open | 7 | 22 | 7 | 3.969 | 7 | 12.7 |
| 627ZZ | Shield | 7 | 22 | 7 | 3.969 | 7 | 13.1 |
| 627-2RS | Rubber seal | 7 | 22 | 7 | 3.969 | 7 | 13.1 |
| 637 | open | 7 | 26 | 9 | 4.762 | 7 | 24.2 |
| 637ZZ | Shield | 7 | 26 | 9 | 4.762 | 7 | 25.8 |
| 637-2RS | Rubber seal | 7 | 26 | 9 | 4.762 | 7 | 25.8 |
| MR128 | open | 8 | 12 | 2.5 | 1.2 | 12 | 0.7 |
| MR128ZZ | Shield | 8 | 12 | 3.5 | 1.2 | 12 | 0.99 |
| MR128-2RS | Rubber seal | 8 | 12 | 3.5 | 1.2 | 12 | 0.99 |
| MR148 | open | 8 | 14 | 3.5 | 1.588 | 10 | 1.9 |
| MR148ZZ | Shield | 8 | 14 | 4 | 1.588 | 10 | 2.19 |
| MR148-2RS | Rubber seal | 8 | 14 | 4 | 1.588 | 10 | 2.19 |
| 688 | open | 8 | 16 | 4 | 2 | 10 | 3.11 |
| 688ZZ | Shield | 8 | 16 | 5 | 2 | 10 | 4.05 |
| 688-2RS | Rubber seal | 8 | 16 | 5 | 2 | 10 | 4.05 |
| 698 | open | 8 | 19 | 6 | 3.175 | 7 | 7.12 |
| 698ZZ | Shield | 8 | 19 | 6 | 3.175 | 7 | 7.57 |
| 698-2RS | Rubber seal | 8 | 19 | 6 | 3.175 | 7 | 7.57 |
| 608 | open | 8 | 22 | 7 | 3.969 | 7 | 11.8 |
| 608ZZ | Shield | 8 | 22 | 7 | 3.969 | 7 | 12.9 |
| 608-2RS | Rubber seal | 8 | 22 | 7 | 3.969 | 7 | 12.9 |
| 628 | open | 8 | 24 | 8 | 3.969 | 7 | 17.1 |
| 628ZZ | Shield | 8 | 24 | 8 | 3.969 | 7 | 18.5 |
| 628-2RS | Rubber seal | 8 | 24 | 8 | 3.969 | 7 | 18.5 |
| 638 | open | 8 | 28 | 9 | 4.762 | 7 | 28.1 |
| 638ZZ | Shield | 8 | 28 | 9 | 4.762 | 7 | 30.3 |
| 638-2RS | Rubber seal | 8 | 28 | 9 | 4.762 | 7 | 30.3 |
| 679 | open | 9 | 14 | 3 | 1.588 | 12 | 1.35 |
| 679ZZ | Shield | 9 | 14 | 4.5 | 1.588 | 12 | 1.98 |
| 679-2RS | Rubber seal | 9 | 14 | 4.5 | 1.588 | 12 | 1.98 |
| 689 | open | 9 | 17 | 4 | 2 | 11 | 3.41 |
| 689ZZ | Shield | 9 | 17 | 5 | 2 | 11 | 4.38 |
| 689-2RS | Rubber seal | 9 | 17 | 5 | 2 | 11 | 4.38 |
| 699 | open | 9 | 20 | 6 | 3.175 | 8 | 8.38 |
| 699ZZ | Shield | 9 | 20 | 7 | 3.175 | 8 | 8.54 |
| 699-2RS | Rubber seal | 9 | 20 | 7 | 3.175 | 8 | 8.54 |
| 609 | open | 9 | 24 | 7 | 3.175 | 8 | 14.7 |
| 609ZZ | Shield | 9 | 24 | 7 | 3.175 | 8 | 16 |
| 609-2RS | Rubber seal | 9 | 24 | 7 | 3.175 | 8 | 16 |
| 629 | open | 9 | 26 | 8 | 4.762 | 7 | 19 |
| 629ZZ | Shield | 9 | 26 | 8 | 4.762 | 7 | 21.8 |
| 629-2RS | Rubber seal | 9 | 26 | 8 | 4.762 | 7 | 21.8 |
| 639 | open | 9 | 30 | 10 | 4.762 | 7 | 36.2 |
| 639ZZ | Shield | 9 | 30 | 10 | 4.762 | 7 | 37.1 |
| 639-2RS | Rubber seal | 9 | 30 | 10 | 4.762 | 7 | 37.1 |
Established in 2007, HangZhou Runstar Bearings Manufacturing Co.,Ltd is a professional manufacturer of thrust ball bearing and miniature ball bearing in HangZhou,China. With a inner diameter from 2mm to 15mm for metric series and from 0.0781″ to 0.375″ for inch series , the material can be selected with chrome steel(Gcr15) or stainless steel(9Cr18) at your request, our characteristic products are thrust ball bearing with or without groove, miniature ball bearing,flange bearing and stainless steel bearing,as well as non-standard bearings, we have more than 12 year’s experience in supplying thrust ball bearing and miniature ball bearing for industries.
/* 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(/(.*?):(.*)$/))&&1
| Precision Rating: | ABEC-1,ABEC-3,ABEC-5 |
|---|---|
| Cerficicate: | ISO9001:2015,Reach and RoHS |
| Application: | Machinery,Fishing Reel,Home Appliance |
| Samples: |
US$ 2/Set
1 Set(Min.Order) | Order Sample |
|---|
.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. |
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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.
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 2024-02-07
China manufacturer High Rpm Cheap Factory Direct Selling Inch Size Auto Parts High Quality Long Life Deep Groove Ball Bearing 6006-2RS 6903 6904 6905 6906 6907 6908 supplier
Product Description
Product Description
Packaging & Shipping
Company Profile
Our Advantages
FAQ
Basic Info.
| Rows Number | Single | Load Direction | Radial Bearing |
| Material | Bearing Steel | Precision Rating | PO P6 P5 P4 P2 |
| Clearance | CO C1 C2 C3 C4 | Lubrication | Oil Lubrication |
| OEM | Available | Hardness | 59-63HRC |
| Feature | High Speed,Long Life | Transport Package | Single Box |
| Specification | standard | Trademark | Packing |
| Production Capacity | 1500,000 Pieces/Year |
Product Decription
The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.
Product Series
| UC200 series | ||||||||||||
| Bearing type | Dimensions(mm) | Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC201 | 12 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.12 | 7.36 | 4.48 | 4000 |
| UC202 | 15 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.11 | 7.36 | 4.48 | 4000 |
| UC203 | 17 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.1 | 7.36 | 4.48 | 4000 |
| UC204 | 20 | 47 | 31 | 17 | 12.7 | 4.7 | 4.5 | M6*1.0 | 0.16 | 9.88 | 6.2 | 4000 |
| UC205 | 25 | 52 | 34.1 | 17 | 14.3 | 5.5 | 4.7 | M6*1.0 | 0.19 | 10.78 | 6.98 | 3400 |
| UC206 | 30 | 62 | 38.1 | 19 | 15.9 | 6 | 4.5 | M6*1.0 | 0.31 | 14.97 | 10.04 | 2800 |
| UC207 | 35 | 72 | 42.9 | 20 | 17.5 | 6.5 | 5.1 | M8*1.0 | 0.48 | 19.75 | 13.67 | 2400 |
| UC208 | 40 | 80 | 49.2 | 21 | 19 | 8 | 5.8 | M8*1.0 | 0.62 | 22.71 | 15.94 | 2200 |
| UC209 | 45 | 85 | 49.2 | 22 | 19 | 8 | 6.2 | M8*1.0 | 0.67 | 24.36 | 17.71 | 1900 |
| UC210 | 50 | 90 | 51.6 | 23 | 19 | 9 | 6.5 | M10*1.0 | 0.78 | 26.98 | 19.84 | 1800 |
| UC211 | 55 | 100 | 55.6 | 25 | 22.2 | 9 | 7.3 | M10*1.0 | 1.03 | 33.37 | 25.11 | 1600 |
| UC212 | 60 | 110 | 65.1 | 27 | 25.4 | 11 | 7.7 | M10*1.0 | 1.45 | 36.74 | 27.97 | 1500 |
| UC213 | 65 | 120 | 65.1 | 28 | 25.4 | 12 | 8.3 | M10*1.0 | 1.71 | 44.01 | 34.18 | 1400 |
| UC214 | 70 | 125 | 74.6 | 30 | 30.2 | 12 | 8.7 | M12*1.25 | 2.06 | 46.79 | 37.59 | 1300 |
| UC215 | 75 | 130 | 77.8 | 30 | 33.3 | 12 | 9.2 | M12*1.25 | 2.22 | 50.85 | 41.26 | 1200 |
| UC216 | 80 | 140 | 82.6 | 33 | 33.3 | 14 | 9.6 | M12*1.25 | 2.8 | 55.04 | 45.09 | 1100 |
| UC217 | 85 | 150 | 85.7 | 36 | 34.1 | 14 | 10.5 | M12*1.25 | 3.48 | 64.01 | 53.28 | 1000 |
| UC218 | 90 | 160 | 96 | 37 | 39.7 | 14 | 11.1 | M12*1.25 | 4.3 | 73.83 | 60.76 | 950 |
| UC 300series | ||||||||||||
| Bearing type | Dimensions(mm) | Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC305 | 25 | 62 | 38 | 21 | 15 | 6 | 6.1 | M6*1 | 0.35 | 17.22 | 11.39 | 2800 |
| UC306 | 30 | 72 | 43 | 23 | 17 | 6 | 6.7 | M8*1 | 0.56 | 20.77 | 14.17 | 2600 |
| UC307 | 35 | 80 | 48 | 25 | 19 | 8 | 7.4 | M8*1 | 0.71 | 25.66 | 17.92 | 2200 |
| UC308 | 40 | 90 | 52 | 27 | 22 | 10 | 8.2 | M10*1 | 0.96 | 31.35 | 22.38 | 2000 |
| UC309 | 45 | 100 | 57 | 30 | 22 | 10 | 9 | M10*1 | 1.28 | 40.66 | 30 | 1800 |
| UC310 | 50 | 110 | 61 | 32 | 25 | 12 | 10 | M12*1.25 | 1.65 | 47.58 | 35.71 | 1700 |
| UC311 | 55 | 120 | 66 | 34 | 26 | 12 | 10.7 | M12*1.25 | 1.9 | 55.05 | 41.91 | 1400 |
| UC312 | 60 | 130 | 71 | 36 | 30 | 12 | 11.5 | M12*1.25 | 2.6 | 62.88 | 48.6 | 1300 |
| UC313 | 65 | 140 | 75 | 38 | 33 | 12 | 12.2 | M12*1.25 | 3.15 | 72.21 | 56.68 | 1200 |
| UC314 | 70 | 150 | 78 | 40 | 33 | 14 | 13 | M12*1.25 | 3.83 | 80.1 | 63.48 | 1100 |
| UC315 | 75 | 160 | 82 | 42 | 33 | 14 | 13.8 | M14*1.5 | 4.59 | 87.25 | 71.68 | 1000 |
| UC316 | 80 | 170 | 86 | 44 | 34 | 14 | 14.5 | M16*1.5 | 5.3 | 94.57 | 80.35 | 1000 |
| UC317 | 85 | 180 | 96 | 46 | 40 | 16 | 15 | M16*1.5 | 6.58 | 102.25 | 89.52 | 9050 |
| UC318 | 90 | 190 | 96 | 48 | 40 | 16 | 15.9 | M16*1.5 | 7.5 | 110.81 | 100.76 | 900 |
| UC319 | 95 | 200 | 103 | 50 | 41 | 16 | 16.7 | M16*1.5 | 8.7 | 120.51 | 113.75 | 850 |
| UC320 | 100 | 215 | 108 | 54 | 42 | 18 | 18 | M16*1.5 | 10.8 | 133.06 | 131.18 | 800 |
| Deep groove ball bearing | ||||
| Bearing type | Dimensions(mm) | Weight(kg) | ||
| Inner diameter | Outer diameter | breadth | ||
| 16001 | 12 | 28 | 7 | 0.019 |
| 16002 | 15 | 32 | 8 | 0.571 |
| 16003 | 17 | 35 | 8 | 0.033 |
| 16004 | 20 | 42 | 8 | 0.048 |
| 16005 | 25 | 47 | 8 | 0.059 |
| 16006 | 30 | 55 | 9 | 0.087 |
| 16007 | 35 | 62 | 99 | 0.107 |
| 16008 | 40 | 68 | 10 | 0.13 |
| 16009 | 45 | 75 | 10 | 0.167 |
| 16571 | 50 | 80 | 11 | 0.175 |
| 16011 | 55 | 90 | 11 | 0.257 |
| 16012 | 60 | 95 | 11 | 0.281 |
| 16013 | 65 | 100 | 13 | 0.3 |
| 16014 | 70 | 110 | 13 | 0.437 |
| 16015 | 75 | 115 | 14 | 0.463 |
| 16016 | 80 | 125 | 14 | 0.621 |
| 16017 | 85 | 130 | 16 | 0.652 |
| 16018 | 90 | 140 | 16 | 0.87 |
| 16019 | 95 | 145 | 16 | 0.904 |
| Bearing type | Dimensions(mm) | Weight(kg) | ||
| Inner diameter | Outer diameter | breadth | ||
| 16571 | 100 | 150 | 8 | 0.945 |
| 6000 | 10 | 26 | 8 | 0.018 |
| 6001 | 12 | 28 | 9 | 0.571 |
| 6002 | 15 | 32 | 10 | 0.031 |
| 6003 | 17 | 35 | 12 | 0.041 |
| 6004 | 20 | 42 | 12 | 0.068 |
| 6005 | 25 | 47 | 13 | 0.079 |
| 6006 | 30 | 55 | 14 | 0.116 |
| 6007 | 35 | 62 | 15 | 0.151 |
| 6008 | 40 | 68 | 16 | 0.19 |
| 6009 | 45 | 75 | 16 | 0.241 |
| 6571 | 50 | 80 | 18 | 0.261 |
| 6011 | 55 | 90 | 18 | 0.381 |
| 6012 | 60 | 95 | 18 | 0.412 |
| 6013 | 65 | 100 | 20 | 0.439 |
| 6014 | 70 | 110 | 20 | 0.608 |
| 6015 | 75 | 115 | 22 | 0.649 |
| 6016 | 80 | 125 | 22 | 0.872 |
| 6017 | 85 | 130 | 24 | 0.918 |
| 6018 | 90 | 140 | 24 | 1.19 |
More series of deep groove ball bearing
6300 series deep groove ball bearing
6220 series deep groove ball bearing
Production Process
Production Process
Inspection
Our Advantage
Package and shipment
Company Profile
HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.
Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation. Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted International standard design and manufacturing. Registered trademark “FOS” .
Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.
HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.
The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system, to prove satisfactory to our customers. Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.
Exhibitions
About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced products and service can meet your request.
Why choose us?
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS mix different standard bearings.
2. MOQ: 3000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
SUPPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
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| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small (28-55mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Radial Bearing |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| 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 Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-01-11
China Good quality Factory Price 635 Low Profile Ball Bearing for Lifting Machine and Sliding Door&Window Size 5*19*6mm bearing and race
Product Description
Detailed Photos
Product Description
Our precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.
EMQ bearings are widely used in household appliances, toys, electric power tools, car motors and other fields. With optimal design, high reliability heat treatment, precision manufacturing processes and high-grade grease, these products perform better on reliability, vibration and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well.
| Item | Deep Groove Ball Bearing | Closure type | ZZ/RS |
| OEM ODM | Technical drawing or sample is needed | d(mm) | 5 |
| Original | ZheJiang , China | D(mm) | 19 |
| Material | Chrome steel, Carbon steel, Stainless steel, etc. | B(mm) | 6 |
| Cage Material | Steel / Nylon | Number of row | single |
| Tolerance | P0 P6 P5 P2 P4 | Clearance | C0 C2 C3 C4 |
| Vibration | V1 V2 V3 | Noise | Z1 Z2 Z3 Z4 |
| MOQ | 1000 pcs | Application | Motor/electric/sliding/furniture accessories/ Skateboard/etc. |
| Feature | heavy-duty,adjustable,low noise, easy installation,sliding smoothly,long life,standard,customized,etc | Leading Time | According to the order q’ty |
Company Profile
ABOUT US
Haibite was set up in 1996 and located at HangZhou, a beautiful city in China, covering an area of 16000 square meters. Our company is bearing manufacturer&bearing distributor.
We have own factory that specialize in the production of bearings. We are in a good position to supply you high quality bearing, the finest price and customized service.
Since it was first established, Haibite was dedicated in research, development and manufacture of bearings.
Haibite deep groove ball bearing has numerous technical advantages, such as increased service life of bearing over a broad of operating temperature and all these combined with the highest level of cost effectiveness.
Now, Haibite has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
1. Our bearing are in stable quality with smooth rotation, long life operation, small movement, advanced heat treatment etc.
2. The Balls with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s adapt in multiple housing choices with any wheels to fit different aluminnum. Our bearing ensure alignment across the full adjustment ranges within built-in retention system.
3. If you need, we also could offer customized hardware service, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
Packaging & Shipping
Packaging Details
Packaging
A.Polybag +Box+Carton
B.B.Tube+Box+Carton
C.As per customer’s request
We have kinds of packages, such as plastic bags, cartons, special boxes. We use different packages based on the products and our customers’ requirements.
Port :HangZhou
Our Advantages
FAQ
If you have any other questions, please feel free to contact us as follows.
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
100% quality check, once your bearings are standard size bearings, even one, we also accept.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Q: What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW;
Accepted Payment Currency: USD, EUR, JPY, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A
Language Spoken: English, Chinese;
Purchase Notice
1. Please send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2. You can ask us to take actual photos of the products for you, and free samples would be provide.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements.
Finally, please be sure to click “Contact Supplier” to contact us, or “call us” with any questions that you may have.
Welcome to contact me anytime!
| Aligning: | Aligning Bearing |
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| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 0.5/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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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 2023-11-10
China wholesaler 6002 Zz 2RS Deep Groove Ball Bearing for Electric Machines Size 15*32*9mm 6002 Deep Groove Ball Bearing ball bearing
Product Description
Introduction and use of bearings
Deep groove ball bearing is simple in structure and convenient in use.
It is the bearing with the largest production scale and the
widest application range.
Widely used in automobiles, household appliances, machine tools, motors, pumps, agricultural machinery, textile machinery and many other fields.
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Product Name |
6002 ZZ 2RS deep groove ball bearing for electric machines size 15*32*9mm 6002 deep groove ball bearing |
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Size |
35x80x21mm |
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Material |
304 stainless steel |
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Precision |
P0 P5 P6 |
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Sealing |
ZZ/RS |
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Delivery date |
Normally ready goods and stock within 3-15 days |
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Payment terms |
A:100% TT |
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Application |
Auto, tractor ,machine tool, electric machine, water pump, agricultural machinery and textile machinery |
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Package |
Industrial package or according to buyers’ requirement |
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Details |
Deep groove ball bearings are simple, easy to use, is the largest production volume, most widely used of a class of bearings. It is mainly used for a bear radial load, but also bear certain axial load. When the bearing radial clearance increased when the function with angular contact bearings can bear large axial load. |
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Special properties |
1. High accuracy |
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Why Choose Us ?
1. 420 stainless steel for inner ring and outer ring
2. 304 stainless steel cage
3. 420 stainless steel balls
4. Dry lube/ Grease/ OilRelated Products
5. Rubber seals/ ZZ metal shields
6. High speed
7. Long spin time
8. Low friction
9. Rustproof and corrosion resistance
10. Durable
11. Easy to maintenance
Related Products
FAQ
Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.
Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.
Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Customization: |
Available
| Customized Request |
|---|
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps,
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.
and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
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.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2023-08-23
China High precision Differential Bearing F-239513.01.SKL-H79 size 40.98x78x17.5mm Angular Contact Ball Bearing F-239513 in stock bearing assembly
Type: BALL
Framework: Deep Groove
Relevant Industries: Resorts, Garment Shops, Constructing Materials Outlets, Manufacturing Plant, Machinery Mend Outlets, Foods & Beverage Manufacturing unit, Farms, Restaurant, House Use, Retail, Food Store, Printing Outlets, Construction works , Higher Load Self-lubricating PTFE Filament Wound Bearing Fiberglass wood forklift bushing Vitality & Mining, Food & Beverage Shops, Other, Advertising and marketing Business
Bore Dimensions: ten – 70 mm
Design Number: Bearing F-239513
Precision Ranking: P0,P2,P4,P5,P6
Seals Variety: 2RS,ZZ,Open up
Quantity of Row: Solitary row
Merchandise name: Differential Bearing F-239513.01.SKL-H79 dimension forty.98x78x17.5mm
Content: Chrome Metal GCR15
Software: Automotive.tractor.development Machinery.rolling Mill
Cage: Steel Cage.copper Cage.nylon Cage
Characteristic: Long Life Time
Package deal: Clients’ Specifications
Lubrication: Grease Oil
Services: OEM Personalized Solutions
shipping and delivery time: 1-3 Days
Brand: OEM Renowned Brand name
Packaging Specifics: A: 1pcs/polybagVC dc motor for retractable awning Durable,significantly less maintenance frequency Simple structure, minimal price, Numerous dimensions and patterns.
Packaging & Shipping and delivery
Organization Information
Manufacturing facility
Software
A lot more Merchandise
FAQ
01
Q:Are you a factory or trading firm?
A:We are a manufacturing unit
02
Q:The place is your factory located? How can I go to there?
A:Our manufacturing unit is situated in HangZhou City ,China.
A:You can fly to HangZhou airport directly.All our clientele are warmly welcome to go to us from home or abroad
03
Q:How can I get some samples?
A:We are honored to offer you samples for your checking
04
Q:How does your factory do with regards to quality control?
A:Top quality is precedence,we often attach fantastic importance to quality managing from the extremely commencing to the really conclude .Our manufacturing unit has obtained BV(Bureau Veritas)certification
05
Q:What is your creation ability for a thirty day period?
A:Our month to month generation capacity will be a hundred thousand sets of bearings
06
Q:What is your major item?
A:Our major merchandise including all kinds of ball bearings and roller bearings and also entire world famous model bearings like Japanse manufacturer bearings, Black splined double drive pin yoke, PTO Generate Shaft (39118 cross kit) for farm tractor components United states brand bearings,Sweden brand name bearings and so on are offered
What is a bushing?
A bushing is a cylindrical lining made of a flexible material inside a metal housing. The inner squeeze tube of the bushing helps prevent it from being squeezed by the clip. The material also reduces friction and isolates vibration and noise, while improving performance. This article discusses some of the most common uses for bushings. In this article, we’ll discuss the most important reasons to choose a bushing for your transmission.
DESCRIPTION Anti-friction cylindrical lining
A bushing is a bearing that minimizes friction and wear within the bore. It is also used as a housing for shafts, pins, hinges or other types of objects. It takes its name from the Middle Dutch word shrub, which means “box”. It is also homologous to the second element of blunderbuss. Here’s how to identify bushings and how to use them.
Vibration isolation
Vibration mounts are required for inertial guidance and navigation systems, radar components, and engine accessories. Bushings isolate vibration and provide a more robust design in these applications. Bushings help eliminate vibration-related operational challenges and help protect expensive equipment from damage. Below are several types of vibrating mounts and the differences between them. Each type has unique uses and applications, and the type you choose will depend on the nature of the components and the environment.
Vibration isolation is an important safety feature of many modern machines and instruments. Used to reduce the dynamic consumption that an object suffers at runtime. Instead, it protects equipment and structures from amplitude-related damage. Bushings insulate objects from vibration by reducing the amount of dynamic action transferred from the object to the support structure. Bushings are a popular choice for vibration equipment manufacturers.
Vibration isolation is important in many industrial applications. Vibration can wreak havoc on electronic and mechanical equipment. The forces exerted by vibration can reduce the life expectancy of equipment, leading to premature failure. The cost of isolation depends on the weight of the object being isolated. Most isolators have minimum damping in the isolation region and maximum damping at natural frequencies. In addition, the cost of installation, transportation and maintenance is usually included in the cost.
In addition to providing shock and vibration isolation, bushings help stabilize components by absorbing shock. These devices may need to be replaced in the long run, and your machine design may dictate whether you need to buy more than one. Bushings are an important part of your equipment, so don’t skimp on quality when choosing a vibration isolation mount. You won’t regret it. They won’t break your budget, but will keep your equipment safe.
reduce noise
A properly positioned tree will block the view between the noise source and your house. Make sure the tree is taller than your house to effectively reduce noise. Also, make sure the sprocket and axle are properly aligned. The less noise they make, the better. If you have a noisy neighbor, you may want to consider installing a bushing at the front of the house to block the noise.
While it’s possible to replace the bushing yourself, it’s best to make sure you follow some basic procedures first. Park your car on level ground and apply the brakes before removing the hood. Check that the wheels move freely. Remember to wear gloves and goggles, and don’t cut yourself with sharp objects when changing bushings. If you can’t see under the hood, try opening the hood to allow more light to reach the engine area.
SuperPro bushings are designed to reduce noise and vibration in the automotive industry. They are a popular choice for aftermarket bushing manufacturers. While OE rubber bushings are soft and quiet, these polyurethane bushings are specifically designed to eliminate these noise issues. By determining the diameter of your vehicle’s anti-roll bars, you can choose the right bushing for your vehicle. You’ll be glad you did!
Damaged bushings can cause the stabilizer bar to become unstable. This, in turn, can cause the steering components to misalign, creating a loud ding. Worn bushings can also cause the wheel to squeak as it moves. If they’re worn, you’ll hear squeaks when cornering. You may even hear these noises when you are turning or changing lanes.
a bearing
A bushing is a component that provides a bearing surface for the forces acting axially on the shaft. A typical example of a thrust bearing is a propeller shaft. The bushing can be a separate part or an integral part of the machine. Typically, bushings are replaceable, while integral bearings are permanent and should not be replaced unless worn or damaged. Bushings are most commonly used in machinery, where they allow relative movement between components.
The bushing is usually an integral unit, while the bearing may have several parts. Simple bushings can be made of brass, bronze or steel. It is often integrated into precision machined parts and helps reduce friction and wear. Typically, bushings are made of brass or bronze, but other materials can also be used. Different designs have different applications, so you should understand what your application requires before purchasing a sleeve.
The most common uses of plain bearings are in critical applications, including turbines and compressors. They are also commonly used in low-speed shafting, including propeller shafts and rudders. These bearings are very economical and suitable for intermittent and linear motion. However, if your application does not require continuous lubrication, a plain bearing may not be required.
Another popular use for sleeves is in food processing. These bearings can be made from a variety of materials, including stainless steel and plastic. Plastic bearings are more cost-effective than metal and are an excellent choice for high-speed applications. These materials are also resistant to corrosion and wear. However, despite their high cost, they can be made from a variety of materials. However, in most cases, the materials used for plain bearings are aluminum nickel, phosphorus and silicon.
editor by czh 2023-02-18
China High quality Deep groove ball bearing SKF 6205-2RS size 25*52*15mm bearing example
Type: BALL
Structure: Deep Groove
Applicable Industries: Manufacturing Plant
Bore Size: 24 – 25 mm
Model Number: 6205
Precision Rating: p0-p6
Seals Type: 2RS
Number of Row: Single row
Material: Chrome Steel
Cage: Nylon Cage
Service: OEM Customized Services
Feature: Long Life .durable
Sample: Avaible
Package: Original Package
Stock: Great Supplying Ability
Packaging Details: 1 . Industrial tube packing + cartons + pallets 2 . Individual colorful or white box + carton + pallets 3 . As the clients ‘ requirement
Port: HangZhou HangZhou ZheJiang
High quality Deep groove ball bearing CZPT 6205-2RS size 25*52*15mm
Deep groove ball bearing list:
| No. | Model | Model | Model | Model |
| 1 | 6000 | 6311 | 6412 | 6040 |
| 2 | 6001 | 6312 | 6413 | 6042 |
| 3 | 6002 | 6313 | 6414 | 6043 |
| 4 | 6003 | 6314 | 6415 | 6044 |
| 5 | 6004 | 6315 | 6416 | 6045 |
| 6 | 6005 | 6316 | 6417 | 6046 |
| 7 | 6006 | 6317 | 6418 | 6047 |
| 8 | 6007 | 6318 | 6419 | 6048 |
| 9 | 6008 | 6319 | 6420 | 6050 |
| 10 | 6009 | 6320 | 6011 | 6052 |
| 11 | 6571 | 6321 | 6012 | 6211 |
| 12 | 6200 | 6322 | 6013 | 6212 |
| 13 | 6201 | 6323 | 6014 | 6213 |
| 14 | 6202 | 6324 | 6015 | 6214 |
| 15 | 6203 | 6325 | 6016 | 6215 |
| 16 | 6204 | 6326 | 6017 | 6216 |
| 17 | 6205 | 6327 | 6018 | 6217 |
| 18 | 6206 | 6328 | 6019 | 6218 |
| 19 | 6207 | 6329 | 6571 | 6219 |
| 20 | 6208 | 6330 | 6571 | 6220 |
| 21 | 6209 | 6332 | 6571 | 6221 |
| 22 | 6210 | 6334 | 6571 | 6222 |
| 23 | 6300 | 6336 | 6571 | 6223 |
| 24 | 6301 | 6338 | 6571 | 6224 |
| 25 | 6302 | 6403 | 6026 | 6225 |
| 26 | 6303 | 6404 | 6571 | 6226 |
| 27 | 6304 | 6405 | 6571 | 6227 |
| 28 | 6305 | 6406 | 6571 | 6228 |
| 29 | 6306 | 6407 | 6030 | 6229 |
| 30 | 6307 | 6708 | 6031 | 6230 |
| 31 | 6308 | 6409 | 6032 | 6231 |
| 32 | 6309 | 6410 | 6034 | 6232 |
| 33 | 6310 | 6411 | 6038 | 6233 |
Packaging & ShippingPackaging Details :
1 . Industrial tube packing + cartons + pallets
2 . Individual colorful or white box + carton + pallets
3 . As the clients ‘ requirement
Transportation :
1 . Less than 45 KGS, we will send by express. (Door to Door, Convenient)
2 . 45 – 200 KGS , we will send by air transport . (Fastest and safest, but expensive)
3 . More than 200 KGS, we will send by sea . ( Cheapest and common use )
Our Services
Company Information HangZhou KaiXihu (West Lake) Dis. Bearing Co,Ltd . It is devoted on this filed for many years, Established in 2000, it is located in Xihu (West Lake) Dis. District of HangZhou and is specialized in manufacturing the bearings.
With an experienced and professiong team, we have exported our producted to many countries and regions all over the world. especially Europe and other country. Our products enjoy a good reputation among our customers.
We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
FAQ
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 but do not pay the cost of freight.
Q: What is your terms of payment ?A: Payment=1000USD, 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below:
Q:Why do we choose your company?A:Our company has been a professional bearing manfacture for many years.we have our bearing factory,therefore we have advantage in quality control and price.
The benefits of rubber bushings and how they work
If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.
rubber
Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the two pieces of equipment. They are usually placed between two pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the two parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?
Polyurethane
Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the two materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.
hard
Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.
Capacitor classification
In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.
Metal
When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.
plastic
A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to one side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
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editor by czh2023-02-09