BOSTON BEARING AXLE CORP.

Thrust Roller Bearing

A thrust bearing is a particular type of rotary bearing. Like other bearings they permit rotation between parts, but they are designed to support a predominantly axial load.
Thrust ball bearings, composed of bearing balls supported in a ring, can be used in low thrust applications where there is little axial load.
Cylindrical thrust roller bearings consist of small cylindrical rollers arranged flat with their axes pointing to the axis of the bearing. They give very good carrying capacity and are cheap, but tend to wear due to the differences in radial speed and friction which is higher than with ball bearings.
Tapered roller thrust bearings consist of small tapered rollers arranged so that their axes all converge at a point on the axis of the bearing. The length of the roller and the diameter of the wide and the narrow ends and the angle of rollers need to be carefully calculated to provide the correct taper so that each end of the roller rolls smoothly on the bearing face without skidding. These are the type most commonly used in automotive applications (to support the wheels of a motor car for example), where they are used in pairs to accommodate axial thrust in either direction, as well as radial loads. They can support greater thrust loads than the ball type due to the larger contact area, but are more expensive to manufacture.

CONSOLIDATED BEARING 81208 Thrust Roller Bearing
662798362113
0.6250 in
CONSOLIDATED BEARING 81207 P/5 Thrust Roller Bearing
0.045
1320
CONSOLIDATED BEARING 81207 Thrust Roller Bearing
Radial
1.5000 in
CONSOLIDATED BEARING 81206 P/5 Thrust Roller Bearing
3725 RPM
Adapter Mounted
CONSOLIDATED BEARING 81206 Thrust Roller Bearing
ABEC 3 (ISO Cla
Round
CONSOLIDATED BEARING 81184 M Thrust Roller Bearing
1.9370 in
Single Cup
CONSOLIDATED BEARING 81180 M Thrust Roller Bearing
260x480x174
174
CONSOLIDATED BEARING 81172 M Thrust Roller Bearing
130 mm
51426
CONSOLIDATED BEARING 81176 M Thrust Roller Bearing
82.55x155.575x101.6
NTN
CONSOLIDATED BEARING 81160 M Thrust Roller Bearing
90 mm
90x160x30
CONSOLIDATED BEARING 81164 M Thrust Roller Bearing
Sintered Bronze Oil-
RoHS, REACH, DRC Con
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