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 NA15117SW-90147  Tapered Roller Bearing Assemblies
TIMKEN NA15117SW-90147 Tapered Roller Bearing Assemblies
315 Series
Expansion
TIMKEN NA15117SW-90032  Tapered Roller Bearing Assemblies
TIMKEN NA15117SW-90032 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 375-50000/374-50000  Tapered Roller Bearing Assemblies
TIMKEN 375-50000/374-50000 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 37425-90022  Tapered Roller Bearing Assemblies
TIMKEN 37425-90022 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 37425-90019  Tapered Roller Bearing Assemblies
TIMKEN 37425-90019 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
TIMKEN 9378-90011  Tapered Roller Bearing Assemblies
TIMKEN 9378-90011 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 93787-902A9  Tapered Roller Bearing Assemblies
TIMKEN 93787-902A9 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 29585-902A3  Tapered Roller Bearing Assemblies
TIMKEN 29585-902A3 Tapered Roller Bearing Assemblies
Medium Duty
Setscrew Ball Bearing
TIMKEN 93787-90231  Tapered Roller Bearing Assemblies
TIMKEN 93787-90231 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 93787-90206  Tapered Roller Bearing Assemblies
TIMKEN 93787-90206 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 93787-90192  Tapered Roller Bearing Assemblies
TIMKEN 93787-90192 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 74550-60000/74850B-60000  Tapered Roller Bearing Assemblies
TIMKEN 74550-60000/74850B-60000 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
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