NACHI BEARINGS LTD

NSK 6900 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 LM11949-50000/LM11910-50000  Tapered Roller Bearing Assemblies
TIMKEN LM11949-50000/LM11910-50000 Tapered Roller Bearing Assemblies
Mounted Bearing
22216
TIMKEN LM272249DW-90042  Tapered Roller Bearing Assemblies
TIMKEN LM272249DW-90042 Tapered Roller Bearing Assemblies
95000
95475
TIMKEN LM11749-90016  Tapered Roller Bearing Assemblies
TIMKEN LM11749-90016 Tapered Roller Bearing Assemblies
LM501300
LM501349
TIMKEN LM272249-902C6  Tapered Roller Bearing Assemblies
TIMKEN LM272249-902C6 Tapered Roller Bearing Assemblies
HH234000
HH234010
TIMKEN LM104947A-90010  Tapered Roller Bearing Assemblies
TIMKEN LM104947A-90010 Tapered Roller Bearing Assemblies
1.772 in
Ball Bearing
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