Tapered Roller Bearing Assemblies

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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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
TIMKEN 90381-90013 Tapered Roller Bearing Assemblies	METRIC	107.00 Kg	EJ	Steel
TIMKEN 90334-90018 Tapered Roller Bearing Assemblies	431.500 mm	571.500 mm	300.000 mm	300.000 mm
TIMKEN 72212C-90061 Tapered Roller Bearing Assemblies	C0 (Normal)	90 mm	O.D. Groove	2.15 Kg
TIMKEN HM129848-90252 Tapered Roller Bearing Assemblies	65 mm	100 mm	100 mm	67 mm
TIMKEN HM129848-90248 Tapered Roller Bearing Assemblies	300 mm	500 mm	160 mm	5 mm
TIMKEN HM129848-90246 Tapered Roller Bearing Assemblies	Mounted Bearing	22213	2-3/16 in	Imperial
TIMKEN HM129848-90218 Tapered Roller Bearing Assemblies	65 mm	120 mm	41 mm	32 mm
TIMKEN L217849-60000/L217813-60000 Tapered Roller Bearing Assemblies	120 mm	215 mm	76.2 mm	2.1 mm
TIMKEN HM129848-90212 Tapered Roller Bearing Assemblies	350 mm	Kevlar Packing Seal	Split Cylindrical Retained Type	Eight-Bolt Plummer Block
TIMKEN HM129848-90210 Tapered Roller Bearing Assemblies	200 mm	340 mm	140 mm	3 mm
TIMKEN HM129848-90200 Tapered Roller Bearing Assemblies	480 mm	650 mm	128 mm	5 mm
TIMKEN L217849-90077 Tapered Roller Bearing Assemblies	TIMKEN	L217849-90077	1 pcs	Negotiable