Bearings, Power Transmission, Adhesives, Gearboxes, Seals, Electric Motors, Linear Rails & Assemblies

Thrust Ball Bearings

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Thrust Ball Bearings are composed of a bearing washer style ring with raceway grooves for the balls and are classified into flat seats or aligning seats depending on the shape of the outer ring seat. Like other ball bearings, they permit rotation between parts, but they are designed to support a high axial load (parallel to the shaft) while doing this.

Thrust ball bearings are available in two designs described as either single direction or double direction. The single direction design is made up of three components, two rings, referred to as shaft and housing washers and a single ball and cage assembly. The double direction version comprises three washers and two ball and cage assemblies with the ball and cage bearing assemblies being separated by the shaft washer.

To accommodate initial misalignment between the shaft and housing both single and double direction thrust ball bearings can be supplied with sphered seat surfaces on the housing washers They can be used together with a sphered seat washer adjacent to the housing washer or with a machine component manufactured with a sphered surface. Sphered seat washers are a component ordered separately from the bearing assembly.