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sleeve bearing

Sleeve Bearings Manufacture

Sleeve bearings, also known as plain bearings or bushings, are a type of bearing that provide low-friction rotational support between two moving parts. Unlike roller or ball bearings, sleeve bearings use a cylindrical sleeve or bushing instead of rolling elements.

  • Payment :

    In Advance
  • Product Origin :

    China
  • Shipping Port :

    Shanghai Port
  • Lead Time :

    15 Working days

Sleeve bearings, also known as plain bearings or bushings, are a type of bearing that provide low-friction rotational support between two moving parts. Unlike roller or ball bearings, sleeve bearings use a cylindrical sleeve or bushing instead of rolling elements.

 

1. Construction: Sleeve bearings consist of a cylindrical metal sleeve or bushing made of materials such as bronze, brass, or steel. The sleeve is typically placed inside a housing or bore, and the rotating shaft is inserted into the sleeve.

 

2. Lubrication: Sleeve bearings require lubrication to reduce friction and wear. The lubricant acts as a protective layer between the shaft and the sleeve, minimizing direct contact and allowing smooth rotation. Common lubrication methods include oil bath, oil ring, grease, or solid lubricants embedded in the sleeve material.

 

3. Applications: Sleeve bearings are widely used in various industries and applications, including automotive, industrial machinery, pumps, electric motors, HVAC systems, and appliances. They are often used in low to moderate speed and low radial load applications.

 

4. Advantages: Sleeve bearings offer several advantages, such as simplicity of design, cost-effectiveness, and ability to handle misalignment. They also have a high load-carrying capacity and dampen vibration and noise.

 

5. Limitations: Sleeve bearings have some limitations compared to roller or ball bearings. They are generally not suitable for high-speed or high-precision applications due to the sliding motion, which can generate more friction and heat. Additionally, sleeve bearings may require periodic maintenance and lubrication to ensure optimal performance and prevent excessive wear.

 

6. Types: Sleeve bearings come in various configurations, including flanged sleeve bearings, thrust washers, and self-lubricating sleeve bearings. Self-lubricating sleeve bearings incorporate materials such as graphite, PTFE, or oil-impregnated bronze, eliminating the need for external lubrication.

 

In summary, sleeve bearings are commonly used in applications where moderate speeds, low to moderate radial loads, and simplicity of design are important. They provide reliable rotational support and can be a cost-effective choice for many industrial and systems.

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