Bush (mechanical)

independent plain bearing that is inserted into a housing to provide a bearing surface for rotary applications

A bush is a mechanical fixing between two, possibly moving, parts, or a strengthened fixing point where one mechanical assembly is attached to another.

An early pillow block bearing with a whitemetal plain bearing

In a car or other vehicle's suspension, bushes are used to connect the various moving arms and pivot points to the chassis and other parts of the suspension. In machines, bushes provide mechanical strength to the rotor.

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