What Is The Difference Between Oil-free Bearings And Composite Bearings?

- Feb 11, 2019 -

The oil-free bearing is a novel lubricated bearing that combines the characteristics of a metal bearing with the characteristics of a non-oil-lubricated bearing. The metal matrix is subjected to a load, and the specially formulated solid lubricating material acts as a lubrication. It has the characteristics of high bearing capacity, impact resistance, high temperature resistance and strong self-lubricating ability. It is especially suitable for heavy load, low speed, reciprocating or swinging, etc., which is difficult to lubricate and form oil film. It is also not afraid of water and other acid etching. And scouring. Widely used in metallurgical continuous casting machines, rolling equipment, mining machinery, ships, steam turbines, hydraulic turbines, injection molding machines and equipment production lines.

The composite bearing is made of a steel plate as a base, sintered spherical bronze powder in the middle, and a mixture of surface-rolled polytetrafluoroethylene (PTFE) and lead, which is rolled.

Composite bearings are bearings that work under sliding friction. Composite bearings work smoothly, reliably, and without noise. Composite bearing applications are generally used under low-speed, heavy-duty conditions, or where it is difficult to maintain and fill lubricants.


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