Self-Lubricating Bearing

What is Self-Lubricating Bearing ?

Self-lubricating bearings, also known as maintenance-free bearings, provide their own lubrication without requiring repetitive external applications of solid lubricants or oil.There are three types of Self-Lubricating Bearing

  • Metallic Bearings
  • Non-Metallic Bearings
  • Multi-Layered Bearings

A self-lubricating bearing is a type of bearing it contains lubricants embedded within its material structure, allowing it to lubricate itself automatically during motion.

  • Lubricant Embedded Inside
  • Lubricant Released During Use
  • Continuous Performance

Types of Self-Lubricating Bearing

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Metallic Bearings

These include self-lubricating bushings and plain bearings made from materials like sintered bronze, copper, aluminum alloys, lead, and sintered iron and copper.

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Non-Metallic Bearings

These encompass polymer bearings, such as those made of PTFE, Polyacetal, Polyethylene, resin-based plastics, Teflon compounds, woven fibers (composites), and carbon graphite.

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Multi-Layered Bearings

Multi-layered bearings are composite bearings designed with multiple functional layers, each serving a specific purpose to enhance performance, durability, and self-lubrication.

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How Self-Lubricating Bearings Work

  • A lubricant is infused in the sliding layer.
  • Releases lubricant during operation via pores.
  • Even when worn, it maintains low-friction.
  • Top layer allows smooth startup (running-in surface).

Advantages

Reduced Maintenance

No need for additional lubrication, lowering maintenance time and cost.

Longer Service Life

Designed to last longer due to lower wear and tear.

Better Performance

Reduced friction and wear leads to increased efficiency and energy savings.

Environmentally Friendly

Eliminates the need for oils or greases that may pollute the environment.

Greater Design Flexibility

Can be custom-designed to meet specific application requirements.

Disadvantages

Limited Load Capacity

Generally not suitable for high-load applications compared to traditional bearings.

Higher Cost

Specialized materials and manufacturing make them more expensive.

Limited Temperature Range

Not ideal for high-temperature environments.

Limited Speed Range

May not perform well under high-speed conditions.

Limited Material Options

May not be available in all materials needed for specific applications.

Applications

Self-Lubricating Bearing Range of JKS