Tapered roller bearing an automotive pinion shaft supporting...

Details Tapered roller bearing an automotive pinion shaft supporting... Tapered roller bearing an automotive pinion shaft supporting...

2006-08-16

2009-02-03

Hannon, Thomas R (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S450000

Reexamination Certificate

active

07484894

ABSTRACT:
A tapered roller bearing according to the invention is such that the surface hardnesses of a raceway surface of an inner ring and rolling contact surfaces of tapered rollers are set to 63 to 69HRC. In addition, respective raceway surfaces of an outer ring and the inner ring and the rolling contact surfaces of the tapered rollers are crowned and are set such that a total crowning amount is 50 μm or larger, an outer crowning rate is 40% or larger and a roller crowning rate is 20% or smalled.

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patent: 2003-130059 (2003-05-01), None
patent: WO 2005/080813 (2005-09-01), None
patent: WO 2005/100809 (2005-10-01), None

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