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 48290-90062  Tapered Roller Bearing Assemblies
TIMKEN 48290-90062 Tapered Roller Bearing Assemblies
Normal Duty
Grip Tight Ball Bearing
TIMKEN 9386H-907A6  Tapered Roller Bearing Assemblies
TIMKEN 9386H-907A6 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 48290-90027  Tapered Roller Bearing Assemblies
TIMKEN 48290-90027 Tapered Roller Bearing Assemblies
Normal Duty
Eccentric Collar Ball Bearing
TIMKEN 749A-90039  Tapered Roller Bearing Assemblies
TIMKEN 749A-90039 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN 749A-90030  Tapered Roller Bearing Assemblies
TIMKEN 749A-90030 Tapered Roller Bearing Assemblies
Intermediate Duty
Eccentric Collar Ball Bearing
TIMKEN 93825V-902A6  Tapered Roller Bearing Assemblies
TIMKEN 93825V-902A6 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 749-90036  Tapered Roller Bearing Assemblies
TIMKEN 749-90036 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN 749-90035  Tapered Roller Bearing Assemblies
TIMKEN 749-90035 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN 93825A-90287  Tapered Roller Bearing Assemblies
TIMKEN 93825A-90287 Tapered Roller Bearing Assemblies
Intermediate Duty
Setscrew Ball Bearing
TIMKEN HM120848-90150  Tapered Roller Bearing Assemblies
TIMKEN HM120848-90150 Tapered Roller Bearing Assemblies
Normal Duty
D-Lock Ball Bearing
TIMKEN NA33895SW-90079  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90079 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
TIMKEN NA33895SW-90072  Tapered Roller Bearing Assemblies
TIMKEN NA33895SW-90072 Tapered Roller Bearing Assemblies
Normal Duty
Setscrew Ball Bearing
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