Self lubricating bearings are divided into composite self-lubricating bearings, solid inlaid self-lubricating bearings, bimetallic 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 inlaid self-lubricating bearings (JDB) is a novel lubricating bearing with the characteristics of both metal bearing and oil-free bearing. The load is borne by the metal matrix, and the solid lubricating material with special formula plays the role of lubrication. It has the characteristics of high bearing capacity, impact resistance, high temperature resistance and strong self-lubricating ability. It is especially suitable for occasions where it is difficult to lubricate and form oil film, such as heavy load, low speed, reciprocating or swing, and is not afraid of water impact and other acid etching and scouring. The products have been widely used in metallurgical continuous casters, rolling equipment, mining machinery, molds, hoisting 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 ordinary shaft sleeve.

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