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 EE117063-90016 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	207 Series	Cast Iron
TIMKEN EE114080-902A4 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	218 Series	Cast Iron
TIMKEN EE117063-90015 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	207 Series	Cast Iron
TIMKEN EE114080-902A1 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	207 Series	Cast Iron
TIMKEN EE114080-90021 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	210 Series	Cast Iron
TIMKEN EE114080-90018 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	207 Series	Cast Iron
TIMKEN HM136948-90401 Tapered Roller Bearing Assemblies	80 mm	165 mm	22 mm	1 mm
TIMKEN HM136948-90398 Tapered Roller Bearing Assemblies	Intermediate Duty	Eccentric Collar Ball Bearing	207 Series	Cast Iron
TIMKEN HM136948-90386 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	210 Series	Cast Iron
TIMKEN HM136948-90396 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	206 Series	Cast Iron
TIMKEN HM136948-90359 Tapered Roller Bearing Assemblies	Normal Duty	Setscrew Ball Bearing	204 Series	Cast Iron
TIMKEN HM136948-90385 Tapered Roller Bearing Assemblies	Tapered Bore	Open	Double Row	Symmetric