In an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles. They are used on virtually every automobile made and work similarly to the ball-and-socket design of the human hip joint. A ball joint consists of a bearing stud and socket enclosed in a casing; all these parts are made of steel. The bearing stud is tapered and threaded, and it fits into a tapered hole in the steering knuckle.
Supplier: Wheel bearings, wheel hub units, clutch release bearing, bearing rep. Kit, universal joint, tapered roller bearings, deep groove ball bearings
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