Patent Number: 8,714,832

Title: Conical roller cage

Abstract: A conical roller cage that implements a conical roller bearing that is able to suppress torque and that is able to smoothly supply lubricant to a raceway surface includes: a small-diameter annular portion, a large-diameter annular portion having a bore diameter larger than a bore diameter of the small-diameter annular portion, pillar portions that couple the small-diameter annular portion to the large-diameter annular portion and that are located at intervals from each other in a circumferential direction, roller partition wall portions each radially extending from a radial end face of a corresponding one of the pillar portions, and canopy portions each protruding from a radial end portion of a corresponding one the roller partition wall portions, at an opposite side to a side of the pillar portion, toward both sides in the circumferential direction.

Inventors: Usuki; Isao (Yamatotakada, JP), Ueno; Hiroshi (Tondabayashi, JP), Nakanishi; Hirosato (Toyohashi, JP), Sakaguchi; Masashi (Yao, JP), Hamada; Kazuki (Kashiwara, JP), Hiraoka; Hironori (Yao, JP)

Assignee: JTEKT Corporation

International Classification: F16C 33/48 (20060101)

Expiration Date: 5/06/12018