Product Description

 

Product Description

Item No.:  FRW2-5ZZ

Type: Deep Groove Ball Bearing

Material: Stainless Steel(AISI440C/9Cr18)

BORE MID “B”: 0.125INCH OD: 0.3125INCH WI: 0.1719INCH WO: 0.1406 FD: 0.359INCH
LI: 0.176INCH LO: 0.031INCH

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

Closures: 2 Metal Shields(SPCC)

Balls: Stainless Steel Balls

Lubrication: Grease

 

 

Item No. BORE MID “B”
(INCH)
WI
(INCH)
LI
(INCH)
Closures
FRW2-5ZZ 0.125 0.1719 0.176 2 Metal Shields(SPCC)

 

Detailed Photos

FRW2-5ZZ

 

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

How do steel ball bearings perform in high-speed or high-load applications?

Steel ball bearings are engineered to perform reliably in both high-speed and high-load applications. Let’s explore how these bearings handle such demanding conditions:

High-Speed Applications:

In high-speed applications, steel ball bearings are designed to minimize friction and maintain stability, allowing for smooth and efficient operation. The key factors that contribute to their performance in high-speed applications include:

  • Cage Design: Steel ball bearings often incorporate a cage or separator that holds the balls in position. The cage design is optimized to reduce friction, minimize ball-to-ball contact, and prevent excessive heat generation at high speeds.
  • Ball Material and Quality: Steel ball bearings use precision steel balls that are manufactured to strict tolerances. The balls are typically made from high-quality bearing steel, ensuring uniformity, roundness, and smooth surfaces. These characteristics reduce rolling resistance and enable reliable performance at high speeds.
  • Lubrication: Proper lubrication is crucial for high-speed applications. Lubricants with low viscosity and high-temperature resistance are selected to minimize friction and heat buildup. Lubrication also aids in dissipating heat generated during operation, preventing bearing damage.
  • Bearing Preload: In high-speed applications, bearing preload is often applied to maintain proper contact between the balls and raceways. Preload helps to eliminate internal clearance and minimize ball skidding, ensuring stable operation and reducing the risk of vibrations or premature failure.

High-Load Applications:

Steel ball bearings are also designed to handle high-load applications, where heavy forces are exerted on the bearings. Here are the factors that contribute to their performance in high-load conditions:

  • Material Strength: Steel ball bearings are typically made from high-strength bearing steels that can withstand significant loads without deformation or failure. These steels are engineered to have excellent hardness, toughness, and fatigue resistance, ensuring reliable performance under heavy loads.
  • Bearing Geometry: The geometry of steel ball bearings is optimized to distribute and support the load evenly across the balls and raceways. This design helps minimize stress concentrations and prevents premature wear or fatigue failure in high-load conditions.
  • Cage Design: The cage or separator in steel ball bearings also plays a role in high-load applications. It helps maintain proper ball spacing and alignment, ensuring efficient load distribution and reducing the risk of ball-to-ball contact or skewing under heavy loads.
  • Lubrication: Adequate lubrication is essential to reduce friction and prevent excessive heat generation in high-load applications. Lubricants with high viscosity and extreme pressure additives are commonly used to provide a protective film between the balls and raceways, minimizing wear and extending the bearing’s lifespan.
  • Bearing Clearance: In high-load applications, bearing clearance is carefully selected to accommodate the expected load and prevent excessive internal play. Proper clearance ensures that the bearing can effectively handle the applied load without compromising performance or causing premature failure.

By considering factors such as cage design, ball material, lubrication, preload, geometry, and clearance, steel ball bearings are engineered to perform reliably in both high-speed and high-load applications. These bearings are capable of withstanding the demanding conditions and providing smooth operation, reduced friction, and extended service life in challenging industrial environments.

steel ball bearing

How do steel ball bearings compare to other types of bearings, like roller bearings?

Steel ball bearings and roller bearings are two common types of bearings used in various applications. While they serve similar purposes of reducing friction and facilitating smooth motion, there are distinct differences between them. Let’s compare steel ball bearings to roller bearings:

1. Design: Steel ball bearings consist of small spherical balls that roll between the inner and outer raceways. Roller bearings, on the other hand, use cylindrical rollers that distribute the load over a larger contact area. The design of roller bearings allows them to handle higher loads compared to ball bearings.

2. Load Capacity: Roller bearings generally have a higher load-carrying capacity than ball bearings. The larger contact area of the rollers allows them to distribute the load more effectively, making roller bearings suitable for heavy-duty applications that require higher radial forces.

3. Friction and Speed: Steel ball bearings have lower frictional resistance compared to roller bearings. The point contact between the balls and the raceways results in reduced friction, making ball bearings well-suited for high-speed applications. Roller bearings, although having slightly higher friction, are better suited for applications that require higher radial forces and moderate speed.

4. Stiffness: Roller bearings exhibit higher stiffness compared to ball bearings. The larger contact area of the rollers provides greater support and resistance to deformation under heavy loads. This characteristic makes roller bearings more suitable for applications where rigidity and stability are crucial.

5. Application: The choice between steel ball bearings and roller bearings depends on the specific application requirements. Steel ball bearings are commonly used in applications that require high-speed rotation, such as electric motors, automotive components, and household appliances. Roller bearings find extensive use in heavy machinery, industrial gearboxes, construction equipment, and automotive applications where higher loads and radial forces are involved.

6. Size and Configurations: Steel ball bearings are available in a wide range of sizes and configurations, allowing for versatility in different applications. Roller bearings also come in various sizes and types, including cylindrical, tapered, and spherical roller bearings, catering to specific load and performance requirements.

7. Cost: Steel ball bearings are generally more cost-effective compared to roller bearings. The simpler design and manufacturing process of ball bearings contribute to their lower cost, making them a preferred choice in many applications where high load capacity is not a primary requirement.

In summary, steel ball bearings and roller bearings have different designs, load capacities, friction characteristics, stiffness, applications, and cost considerations. The choice between the two depends on factors such as load requirements, speed, rigidity, and the specific needs of the application in question.

China high quality 1688 Stainless Steel Bearings Frw2-5 Zz Deep Groove Ball Miniature Bearing   double row ball bearingChina high quality 1688 Stainless Steel Bearings Frw2-5 Zz Deep Groove Ball Miniature Bearing   double row ball bearing
editor by CX 2024-04-09

Steel Ball Bearings

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