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 HM136948-90243  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90243 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136940-90366  Tapered Roller Bearing Assemblies
TIMKEN HM136940-90366 Tapered Roller Bearing Assemblies
203 Series
Non-Expansion
TIMKEN HM136948-90238  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90238 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90241  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90241 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90094  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90094 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90226  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90226 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90222  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90222 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90224  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90224 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90223  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90223 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136940-90234  Tapered Roller Bearing Assemblies
TIMKEN HM136940-90234 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
TIMKEN HM136940-90152  Tapered Roller Bearing Assemblies
TIMKEN HM136940-90152 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM136948-90190  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90190 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
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