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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
TIMKEN H249148-902A2 Tapered Roller Bearing Assemblies	23.2 kN	-20 °C	51.6 mm	49.21 mm
TIMKEN 29685-50000/29620B-50000 Tapered Roller Bearing Assemblies	-20 °C	216 mm	100 mm	UC318G2L3
TIMKEN 29685-50000/29620-50000 Tapered Roller Bearing Assemblies	30 mm	161 mm	15.2 kN	1.33 kg
TIMKEN EE126098-90038 Tapered Roller Bearing Assemblies	48 mm	M6x1	95 mm	7.5 mm
TIMKEN EE126098-90039 Tapered Roller Bearing Assemblies	-20 °C	M6x1	8 mm	40 mm