ROLLWAY BEARING Sales Co., Ltd.

NSK 629z Bearing

 

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 HM136948-90294  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90294 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90292  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90292 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90284  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90284 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN LM377449-30038/LM377410-30038  Tapered Roller Bearing Assemblies
TIMKEN LM377449-30038/LM377410-30038 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN LM330448-905A3  Tapered Roller Bearing Assemblies
TIMKEN LM330448-905A3 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90283  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90283 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90266  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90266 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90265  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90265 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90256  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90256 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90254  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90254 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90228  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90228 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90251  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90251 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
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