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 NA24776SW-90051  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90051 Tapered Roller Bearing Assemblies
HEAVY DUTY
24.0000 in
TIMKEN NA24776SW-90016  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90016 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90030  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90030 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90012  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90012 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90042  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90042 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN 575-90130  Tapered Roller Bearing Assemblies
TIMKEN 575-90130 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90013  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90013 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
TIMKEN JRM4249-90UB7  Tapered Roller Bearing Assemblies
TIMKEN JRM4249-90UB7 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN 8578-90183  Tapered Roller Bearing Assemblies
TIMKEN 8578-90183 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN JRM3939-90UB1  Tapered Roller Bearing Assemblies
TIMKEN JRM3939-90UB1 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90010  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90010 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN JRM4249-90UB3  Tapered Roller Bearing Assemblies
TIMKEN JRM4249-90UB3 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
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