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BUSHINGSBushings are usually tightly packed into their housings. They sometimes include flanges and are able to withstand axial loads. They can be split or given boreholes for alignment or lubrication, and include oil baths, channels, lobes, crossed or helical oil grooves, etc. Bushings can be made from solid bronze, low-friction aluminium or two- or three-layer multi-metal, in which case a copper or white-metal antifriction alloy is cast centrifugally on to a steel or bronze backing. An electroplated finish enables an antifriction layer of a few 1/100 th mm to be added to improve the bearing’s performance. |