| 摘要 |
PROBLEM TO BE SOLVED: To provide a thrust roller bearing capable of preventing reverse assembly without increasing the rotating torque. SOLUTION: On the outer diameter of an inner race 12, four protruded parts 27 and at least four recessed parts are provided which have maximum diameter portions located outward in the radial direction beyond the outer diameter of a bent part 25 of an outer race 13 to prevent reverse assembly, and which have minimum diameter portions located inward in the radial direction beyond the inner diameter of the bent part 25 of the outer race 13 to form a lubricant distribution passage P between the bent part 25 of the outer race 13 and themselves, respectively. COPYRIGHT: (C)2010,JPO&INPIT |
