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.

TIMKEN L540049-90014 Tapered Roller Bearing Assemblies

18,12 mm 68,7
68,7 mm 5,5 mm

TIMKEN HM129848-90382 Tapered Roller Bearing Assemblies

114.3x152.4x63.5 114,3
260 kN 2,5 mm

TIMKEN NP950329-90KA2 Tapered Roller Bearing Assemblies

60 mm 1.5 mm
0.4 1.5 mm

TIMKEN L570649-90018 Tapered Roller Bearing Assemblies

0,6 mm 9,7 mm
0,6 mm 94 mm

TIMKEN L555249-30178/L555210-30178 Tapered Roller Bearing Assemblies

108 30 mm
90 mm 1,004 Kg

TIMKEN L555249-902A3 Tapered Roller Bearing Assemblies

145 26,7 mm
0,826 Kg 105 mm

TIMKEN L540049-60650/L540010-60650 Tapered Roller Bearing Assemblies

19.05x25.4x12.7 9,92 kN
11000 r/min 0,0136 Kg

TIMKEN L540049-90033 Tapered Roller Bearing Assemblies

2.030 mm 52.07 mm
75.95 mm 90.000 mm
1/30