ROLLWAY BEARING Sales Co., Ltd.

Tapered Roller Bearing Assemblies

The inner and outer ring raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, with no sliding motion between the raceways and the OD of the rollers.

This conical geometry creates a linear contact patch which permits greater loads to be carried than with spherical (ball) bearings, which have point contact. The geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs.

The rollers are stabilized and restrained by a flange on the inner ring, against which their large end slides, which stops the rollers from popping out due to the "pumpkin seed effect" of their conical shape.The larger the half angles of these cones the larger the axial force that the bearing can sustain.

TIMKEN HM133444-90564 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM120848-90154 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA33895SW-90097 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM133444-90582 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM133444-90566 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90322 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90316 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90324 Tapered Roller Bearing Assemblies
115 Series
Non-Expansion
TIMKEN HM136948-90320 Tapered Roller Bearing Assemblies
111 Series
Non-Expansion
TIMKEN HM136948-90312 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90304 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90296 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
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