Self lubricating bearings are divided into composite material self-lubricating bearings, solid embedded self-lubricating bearings, bimetallic material self-lubricating bearings, and special material self-lubricating bearings. Different self-lubricating bearings are selected according to different purposes and working conditions.

One of the major categories of solid embedded self-lubricating bearings (JDB) is a novel lubricating bearing that combines the characteristics of metal bearings and oil-free lubrication bearings. It is supported by a metal matrix and lubricated by a specially formulated solid lubricating material.

It has the characteristics of high load-bearing capacity, impact resistance, high temperature resistance, and strong self-lubricating ability. It is particularly suitable for situations that are difficult to lubricate and form oil films, such as heavy loads, low speeds, reciprocating or swinging, and is not afraid of water and other acid erosion and erosion. The product has been widely used in metallurgical continuous casting machines, steel rolling equipment, mining machinery, molds, lifting machinery, textile machinery, wind power generation, ships, steam turbines, water turbines, injection molding machines and equipment production lines. The wear resistance is twice that of a regular shaft sleeve.