Tungsten Carbide Ball Bearing IV

Thrust Ball Bearings: A thrust ball bearing, as shown to the right, is a particular type of rotational bearing, and like other rotational bearings, permits rotation between two moving parts. These bearings are comprised of balls and washer like bearing rings. The rings may have flat rolling surfaces with no defined raceway or may have contoured rolling tracks (grooved race or washer) that together with a cage assembly hold the balls in place.

Thrust ball bearings are designed to support axial loads, which are loads applied along the axis of the bearing, as opposed to radial loads, which are applied perpendicular to the axis of the bearing. This type of bearing is found in various items including swivel barstools, turntables, and construction equipment.

Generally, there are three types of thrust bearings: flat-race thrust bearings which consist of flat washers and have a limited load capacity; single-direction thrust bearings, which consist of grooved races and which support axial loads in one direction; and double-direction thrust bearings, which consist of two grooved races and which can accommodate axial loads acting in both directions. Thrust bearings can also incorporate rollers (thrust roller bearings) as a means to reduce friction.

 

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