Tapered Roller Bearing Assemblies

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Tapered roller bearings are rolling element bearings that can support axial forces (i.e., they are good thrust bearings) as well as radial forces.
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.

Bearing Number Bore Dia Outer DIa Width Size
TIMKEN HM129848-90330 Tapered Roller Bearing Assemblies 28000 28150 28300X Imperial
TIMKEN L357049NW-902A1 Tapered Roller Bearing Assemblies 795 795 Imperial Stamped Steel
TIMKEN L357049-94048 Tapered Roller Bearing Assemblies LM48500 LM48548P LM48514XP Imperial
TIMKEN HM129848-90326 Tapered Roller Bearing Assemblies LM48500 LM48548A LM48514XP Imperial
TIMKEN L357049-30178/L357010-30178 Tapered Roller Bearing Assemblies 290000 EE291250 Imperial Stamped Steel
TIMKEN L357049-902B4 Tapered Roller Bearing Assemblies 28000 28138 28300X Imperial
TIMKEN HM129848-90324 Tapered Roller Bearing Assemblies 93000 93750 93126 Imperial
TIMKEN L357049-90048 Tapered Roller Bearing Assemblies LM48500 LM48548P LM48511 Imperial
TIMKEN L357049-90061 Tapered Roller Bearing Assemblies L630300 L630310 Imperial 7.5625 in
TIMKEN HM129848-90322 Tapered Roller Bearing Assemblies Double Seal Double Row Cylindrical Bore 0.090 kg
TIMKEN HM129848-90323 Tapered Roller Bearing Assemblies LM48500 LM48549X LM48514XP Imperial
TIMKEN L357049-90053 Tapered Roller Bearing Assemblies L860000 L860049A L860010 Imperial
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