Product Description

 

Product Description

Item No.:  SS6805-2RS

Type: Deep Groove Ball Bearing

Material: Stainless Steel(AISI440C/9Cr18)

Bore diameter: 25mm Outer diameter : 37mm Width(Height/Thickness): 7mm

Size: 25*37*7mm

Dynamic load C0: 4.30 Static load C0r: 2.95 Grease: 18000 Oil: 21000

Cage(retainer): Ribbon Cage(SPCC/T8)

Closures: 2 Rubber seals(NBR)

Balls: Stainless Steel Balls

Lubrication: Grease

 

 

Item No. Bore diameter
(mm)
Outer diameter
(mm)
Width(Height/Thickness)
(mm)
Closures
SS6805-2RS 25 37 7 2 Rubber seals(NBR)

 

Detailed Photos

SS6805-2RS

Our Advantages

 Compared with ordinary bearings, stainless steel bearings have distinct material advantage because stainless steel bearings
have more wide application than ordinary bearings. In rusty and corrosive environment, the cost performance of stainless steel
bearings is outstanding specially.

 Stainless Steel Bearing:
1. stronger anti-rust property and anti-corrosion property.
2. CZPT to serve under -60ºC~+300ºC.
3. resist humidity and corrosion caused by other media.
4. has a deep bearing raceway groove, and the fit between the bearing raceway and the ball is extremely high.
5. high mechanical strength and large loading capacity.

 Our company provides high-precision homemade bearing of ordinary material, including deep groove ball bearing and full complement cylindrical roller bearings.
 The material refers to high-quality bearing steel, thermal treatment technology is put under strict control, and it is CZPT to carry out cryogenic treatment. And full complement cylindrical roller bearings adopts advanced roller CZPT for thermal treatment. Other technologies are all processed by full-automatic and semiautomatic equipment, and the production technology and quality control are arranged as per P5 precision. It products widely support home and abroad manufacturers of electric tools, mechanical equipment, automobile components, etc.
 

Manufacture Equipment

 

Company Profile

HangZhou WOLEE INDUSTRIAL CO.,LTD

 HangZhou WOLEE induststial Co., Ltd. was founded in 2015. It is a professional company which engages in import and export of industrial components and is a professional production base with joint stocks.

 The company mainly operates bearings and other industrial components such as chain, CZPT rail, gear and micro gearbox. Its products are widely used in the fields of metallurgy, mining, papermaking, petrochemical, power, railway, aviation, cement, textile, machinery, etc., it has lots of clients among these fields and has accumulated rich experience to meet different demands of all sectors. At present, its trade scale expands increasingly, its clients are all across the world, and it wins the trust of home and abroad clients by virtue of good reputation.

 The company adheres to the tenet of “people first, quality first, credit first and reputation first” and provides each client with top service.

 It heartily hopes to join hands with you to create a wonderful world.

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Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

steel ball bearing

What is the role of cage design and materials in steel ball bearing performance and durability?

The cage design and materials used in steel ball bearings play a crucial role in determining their performance and durability. The cage, also known as the bearing retainer or separator, holds the steel balls in position and maintains the proper spacing between them. It prevents the balls from coming into contact with each other, which could lead to excessive friction, wear, and damage. Here’s an explanation of the role of cage design and materials in steel ball bearing performance and durability:

1. Ball Guidance and Positioning:

The primary function of the cage is to guide and position the steel balls within the bearing. The cage ensures that the balls are evenly distributed around the bearing raceways, maintaining proper alignment and preventing contact between adjacent balls. This guidance and positioning function is crucial for achieving smooth and efficient rolling motion, reducing friction, and optimizing the performance of the bearing.

2. Friction and Heat Reduction:

The cage design and materials can significantly impact the friction and heat generated during bearing operation. An efficient cage design allows for proper ball rotation while minimizing contact and sliding friction between the balls and the cage itself. This reduced friction helps to minimize energy loss and heat generation, improving the overall efficiency and durability of the bearing. Additionally, some cage materials have low thermal conductivity, which can further contribute to heat reduction and prevent overheating of the bearing.

3. Load Distribution:

The cage also plays a role in distributing the applied loads evenly among the steel balls. By maintaining the correct spacing between the balls, the cage helps to distribute the radial and axial loads across a larger contact area. This load distribution capability prevents localized stresses and reduces the risk of premature wear or failure of the bearing. A well-designed cage ensures that the bearing can handle higher loads and provides improved durability under demanding operating conditions.

4. Lubricant Retention:

The cage design can impact the retention and distribution of lubricant within the bearing. Proper lubrication is essential for reducing friction, preventing wear, and protecting against corrosion. The cage should allow for sufficient lubricant flow and retention, ensuring that the balls and raceways are adequately lubricated during operation. An effective cage design promotes the proper distribution and retention of lubricant, enhancing the overall performance and durability of the bearing.

5. Material Compatibility and Durability:

The choice of cage materials is critical for the durability and performance of steel ball bearings. The cage materials must be compatible with the bearing operating conditions, including factors such as speed, temperature, and exposure to corrosive environments. Common cage materials include steel, brass, bronze, synthetic resins, and polymers. Each material has its own advantages and limitations in terms of strength, wear resistance, corrosion resistance, and temperature resistance. The selection of the appropriate cage material ensures the long-term durability and reliable operation of the bearing under specific application requirements.

6. Noise and Vibration Control:

The cage design can also influence the level of noise and vibration generated by the bearing during operation. A well-designed cage can help reduce noise and vibration by maintaining ball stability, minimizing ball-to-cage and ball-to-raceway contact, and dampening oscillations. This noise and vibration control not only improves user comfort but also reduces the risk of damage to other components in the machinery or equipment.

7. Application-Specific Considerations:

In some cases, the cage design and materials may need to be tailored to specific application requirements. For example, in high-speed applications, cages with low mass and low centrifugal forces may be preferred to minimize the risk of cage deformation or imbalance. In environments with exposure to chemicals or extreme temperatures, cage materials with excellent chemical resistance or high-temperature stability may be necessary. Application-specific considerations ensure that the cage design and materials are optimized for the specific operating conditions, further enhancing bearing performance and durability.

In summary, the cage design and materials used in steel ball bearings play a vital role in their performance and durability. The cage provides ball guidance, reduces friction and heat, distributes loads, retains lubricant, and controls noise and vibration. The choice of cage materials must consider factors such as compatibility, durability, and application-specific requirements to ensure optimal bearing performance and long-term reliability.

steel ball bearing

Can steel ball bearings be customized or modified for unique industrial needs?

Yes, steel ball bearings can be customized or modified to meet unique industrial needs. Manufacturers offer various options for customization and modification to ensure that the bearings align with specific requirements. Let’s explore some of the ways steel ball bearings can be customized:

1. Bearing Size and Configuration:

Steel ball bearings can be customized in terms of size, including the outer diameter, inner diameter, and width. Manufacturers can produce bearings in a wide range of sizes to accommodate different shaft and housing dimensions. Additionally, the configuration of the bearing, such as the number and arrangement of balls, can be modified to optimize load capacity, speed, or specific operating conditions.

2. Material Selection:

While steel is the most common material used for ball bearings, there are different types of steel with varying properties. Manufacturers can offer customized steel ball bearings made from specific grades of steel to enhance performance characteristics such as corrosion resistance, high-temperature resistance, or hardness. In some cases, alternative materials such as stainless steel or specialty alloys may be used to meet unique industrial requirements.

3. Seal or Shield Options:

Bearings can be customized with different seal or shield options to provide enhanced protection against contamination, moisture, or chemicals. Manufacturers can offer various sealing configurations, such as rubber seals, metal shields, or labyrinth seals, to suit specific environmental conditions and prevent the ingress of particles or fluids into the bearing. Customized sealing solutions can help prolong bearing life and improve reliability in challenging industrial environments.

4. Lubrication:

The lubrication of steel ball bearings can be customized based on the specific application requirements. Manufacturers can offer a range of lubrication options, including different types of lubricants and greases with varying viscosities, additives, or properties. Customized lubrication solutions ensure optimal performance, reduce friction, and enhance the bearing’s ability to withstand high temperatures, extreme loads, or harsh operating conditions.

5. Cage Design:

The cage, or retainer, holds the balls in position within the bearing and ensures proper ball guidance and spacing. Steel ball bearings can be customized with different cage designs, materials, or configurations. For example, cages can be made from steel, brass, or engineered polymers, each offering specific advantages such as improved heat dissipation, reduced friction, or enhanced durability. Customized cage designs can optimize the bearing’s performance in terms of speed, noise, or resistance to specific operating conditions.

6. Special Coatings or Surface Treatments:

In certain industries or applications, steel ball bearings may benefit from specialized coatings or surface treatments. These coatings can provide additional protection against corrosion, reduce friction, or enhance the bearing’s ability to withstand extreme temperatures or harsh chemicals. Customized coatings or surface treatments can be applied to the bearing’s outer surface, inner raceway, or balls to improve performance and extend the bearing’s lifespan.

7. Specialized Testing and Certification:

For industries with stringent quality or performance requirements, manufacturers can provide customized testing and certification services. This ensures that the steel ball bearings meet specific industry standards, regulations, or performance criteria. Customized testing may involve precision measurement, noise analysis, vibration testing, or endurance testing to verify the bearing’s performance and reliability in unique industrial applications.

By offering customization and modification options, manufacturers can tailor steel ball bearings to meet the unique needs of various industries, applications, and operating conditions. Customized bearings can deliver improved performance, durability, and reliability, ultimately enhancing the overall efficiency and productivity of industrial systems.

steel ball bearing

What are the common applications and industries where steel ball bearings are frequently used?

Steel ball bearings are widely used in various applications across numerous industries. Their versatility and performance make them essential components in many mechanical systems. Here are some common applications and industries where steel ball bearings are frequently utilized:

1. Automotive: Steel ball bearings are extensively employed in the automotive industry. They are found in wheel assemblies, transmissions, engines, steering systems, suspension components, and various other parts. The automotive sector relies on steel ball bearings for their ability to handle high-speed rotation, support heavy loads, and provide durability in challenging environments.

2. Industrial Machinery: Steel ball bearings play a vital role in industrial machinery. They are used in machine tools, conveyor systems, pumps, compressors, fans, gearboxes, and other equipment. Steel ball bearings enable smooth motion, reduce friction, and provide reliable operation in various industrial applications.

3. Electric Motors and Generators: Electric motors and generators require precise rotational motion and efficient energy conversion. Steel ball bearings are commonly used in these devices to support the rotating shafts, reduce friction, and enable smooth operation. They are found in electric motors for appliances, HVAC systems, power tools, and industrial machinery.

4. Aerospace and Aviation: The aerospace and aviation industries demand high-performance bearings that can withstand extreme conditions and operate at high speeds. Steel ball bearings are utilized in aircraft engines, landing gear, control systems, and other critical components. Their ability to handle heavy loads, operate at high speeds, and provide reliability makes them suitable for aerospace applications.

5. Robotics and Automation: Steel ball bearings are essential in robotics and automation systems. They are used in robotic joints, linear motion systems, robotic arms, and precision machinery. Steel ball bearings provide smooth motion, high-speed operation, and precise positioning, enabling robots and automated systems to perform their tasks accurately and efficiently.

6. Medical Equipment: Steel ball bearings are employed in various medical equipment and devices. They are used in surgical instruments, imaging systems, laboratory equipment, dental tools, and prosthetic devices. Steel ball bearings offer reliable performance, low friction, and resistance to corrosion, making them suitable for critical medical applications.

7. Household Appliances: Steel ball bearings are found in numerous household appliances, including washing machines, refrigerators, dishwashers, vacuum cleaners, and blenders. They enable smooth and efficient operation in these appliances, contributing to their reliability and longevity.

8. Other Industries: Steel ball bearings are utilized in many other industries, such as mining, construction, oil and gas, agriculture, food processing, and marine applications. They provide reliable performance, durability, and efficiency in diverse operating conditions.

In summary, steel ball bearings are widely used in automotive, industrial machinery, electric motors, aerospace, robotics, medical equipment, household appliances, and various other industries. Their ability to reduce friction, support heavy loads, operate at high speeds, and provide reliability makes them indispensable components in numerous mechanical systems.

China Professional Spare Parts Stainless Steel Bearings 6805 2RS Deep Groove Ball Miniature Bearing 1688   bearing driver kitChina Professional Spare Parts Stainless Steel Bearings 6805 2RS Deep Groove Ball Miniature Bearing 1688   bearing driver kit
editor by CX 2024-04-04

Steel Ball Bearings

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