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 L319249-50030/L319210-50039  Tapered Roller Bearing Assemblies
TIMKEN L319249-50030/L319210-50039 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN L319249-50000/L319210-50000  Tapered Roller Bearing Assemblies
TIMKEN L319249-50000/L319210-50000 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN L319245-50000/L319210-50000  Tapered Roller Bearing Assemblies
TIMKEN L319245-50000/L319210-50000 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM129848-90316  Tapered Roller Bearing Assemblies
TIMKEN HM129848-90316 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM129848-90310  Tapered Roller Bearing Assemblies
TIMKEN HM129848-90310 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN L305649-90037  Tapered Roller Bearing Assemblies
TIMKEN L305649-90037 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 579TD-90307  Tapered Roller Bearing Assemblies
TIMKEN 579TD-90307 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
TIMKEN 579TD-90128  Tapered Roller Bearing Assemblies
TIMKEN 579TD-90128 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 25584-90085  Tapered Roller Bearing Assemblies
TIMKEN 25584-90085 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 350-50000/352-50000  Tapered Roller Bearing Assemblies
TIMKEN 350-50000/352-50000 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 25584-90045  Tapered Roller Bearing Assemblies
TIMKEN 25584-90045 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 25581-90118  Tapered Roller Bearing Assemblies
TIMKEN 25581-90118 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
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