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 NA33895SW-90064  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90064 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN NA33895SW-90067  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90067 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
TIMKEN NA33895SW-90066  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90066 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA33895SW-90050  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90050 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA33889SW-90091  Tapered Roller Bearing Assemblies
TIMKEN NA33889SW-90091 Tapered Roller Bearing Assemblies
Cylindrical Bore
Open
TIMKEN 42350-90067  Tapered Roller Bearing Assemblies
TIMKEN 42350-90067 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 8578-30038/8520B-30038  Tapered Roller Bearing Assemblies
TIMKEN 8578-30038/8520B-30038 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN NA329120-902A1  Tapered Roller Bearing Assemblies
TIMKEN NA329120-902A1 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN 15101-90075  Tapered Roller Bearing Assemblies
TIMKEN 15101-90075 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 8578-90191  Tapered Roller Bearing Assemblies
TIMKEN 8578-90191 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA285160-90044  Tapered Roller Bearing Assemblies
TIMKEN NA285160-90044 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA24776SW-90088  Tapered Roller Bearing Assemblies
TIMKEN NA24776SW-90088 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
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