Ball joint - Wikipedia
https://en.wikipedia.org/wiki/Ball_joint
OverviewTheoryPurposeFront-wheel driveLubricationSpherical rolling jointFailureOther usesIn an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles, and are used on virtually every automobile made. They bionically resemble the ball-and-socket joints found in most tetrapod animals. 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 fits int…
DA: 47 PA: 75 MOZ Rank: 80