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 HM136948-90332  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90332 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90334  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90334 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90345  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90345 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90331  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90331 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM136948-90327  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90327 Tapered Roller Bearing Assemblies
Tapered Bore
Open
TIMKEN HM136948-90344  Tapered Roller Bearing Assemblies
TIMKEN HM136948-90344 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM266449DW-90132  Tapered Roller Bearing Assemblies
TIMKEN HM266449DW-90132 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN HM266449DW-90130  Tapered Roller Bearing Assemblies
TIMKEN HM266449DW-90130 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
TIMKEN HM266449DW-90127  Tapered Roller Bearing Assemblies
TIMKEN HM266449DW-90127 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
TIMKEN HM266449DW-90103  Tapered Roller Bearing Assemblies
TIMKEN HM266449DW-90103 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 93750-902A4  Tapered Roller Bearing Assemblies
TIMKEN 93750-902A4 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 93750-90223  Tapered Roller Bearing Assemblies
TIMKEN 93750-90223 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
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