what is the difference between bearing and bushing

A bushing is one classification of the overall category of bearings.

A bushing is a thin tube or sleeve that allows relative motion by sliding (our type), as compared to rolling. A bushing might also be called a sleeve bearing. However, the term sleeve bushing would be redundant. Thus, a bushing is a bearing, but a bearing is not necessarily a bushing type.

A bearing is the general term for something that allows relative motion between two components, surfaces, etc.

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