Patent ID: 7320550
Filing Date: 2008-01-22
Classification: F16C,F16H

Abstract:
1. A tapered roller bearing comprising: an outer race; an inner race; a plurality of tapered rollers interposed between the outer race and the inner race; and a cage that retains the tapered rollers; wherein the inner race includes a tapered raceway in which the tapered rollers are disposed and a small-diameter end portion and a large-diameter end portion which are formed at opposite ends of the raceway, wherein the small-diameter end portion of the inner race is formed with a small rib portion, wherein the cage is formed with a small-diameter end portion thereof with a bent portion which is bent inward in a radial direction, and wherein an inner diameter of the bent portion is less than an outer diameter of the small rib portion of the inner race, the bent portion is positioned opposite to a front surface of the inner race in a non-contacted manner, and the small diameter end portion of the inner race is between the bent portion and the tapered rollers.