Thrust ball bearing single direction 5000 series

Thrust ball bearings are designed to take axial (thrust) loads at high speeds, but they cannot take any radial loads. These bearings 

feature bearing washers with raceway grooves in which the balls move.

Features

Thrust ball bearings are classified into “flat seat” and “aligning seat” types, based on the shape of the housing washer (outer ring seat), 

and as single-direction or double-direction. Spherical and aligning seat washers help to provide tolerance for mounting errors.

Single-Direction Thrust Ball Bearings

Single-direction thrust ball bearings are comprised of two bearing washers (a shaft washer and a housing washer) and a single cage 

containing the balls. They can sustain axial loads in one direction.

Features

Specialized design

A cage contains the balls while the grooved aligning seat washer guides them.

Dedicated components

Washers attached to the shaft are called “shaft washers” and those attached to the housing are called “housing washers” (fixed rings).

Support axial loads

Single-direction thrust ball bearings can take axial loads in one direction.

Applications

Printer peripheral equipment, ball screw support sections of precision positioning stages, automatic guided vehicles (AGVs), radial drilling 

machines, fishing reels

Double-Direction Thrust Ball Bearings

Double-direction thrust ball bearings use three washers, with two cages containing the balls. This shaft washer is sandwiched between 

the two cages, allowing the bearing to take axial loads in both directions.

Features

Specialized design

A cage contains the balls while the grooved aligning seat washer guides them.

Dedicated components

Washers attached to the shaft are called “shaft washer” and those attached to the housing are called “housing washers”.

Support axial loads in both directions

True to their name, double-direction thrust ball bearings can sustain axial loads in both directions. Thrust ball bearings with aligning seat 

washers help reduce the effects of mounting errors.

Applications

Vacuum pumps, disc hubs in agricultural machinery, compressors, press machines, clutch breakers

Part numbers

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