US 7,320,550 B2 | ||
Tapered roller bearing | ||
Kenichi Ono, Nagoya (Japan); Kunihiko Yokota, Nisshin (Japan); and Hiroshi Tachi, Nagoya (Japan) | ||
Assigned to JTEKT Corporation, Osaka-shi, Osaka (Japan) | ||
Filed on Jan. 12, 2007, as Appl. No. 11/652,683. | ||
Application 11/652683 is a continuation of application No. 11/054605, filed on Feb. 10, 2005, granted, now 7,175,351. | ||
Claims priority of application No. P2004-088949 (JP), filed on Mar. 25, 2004. | ||
Prior Publication US 2007/0110352 A1, May 17, 2007 | ||
Int. Cl. F16C 19/50 (2006.01); F16C 33/46 (2006.01); F16C 33/66 (2006.01) |
U.S. Cl. 384—571 [384/470; 384/572] | 16 Claims |
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.
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