| 摘要 |
A one-way clutch is provided with an outer ring having a cylindrical wall on an inner circumference thereof, an inner ring having cam surfaces formed thereon, rolling elements arranged between the outer and inner rings to perform transmission of a torque between the outer and inner rings, and springs biasing the rolling elements, respectively. The inner ring is provided on its outer circumferential wall with recesses such that lube-oil receiving and accumulating parts are formed between the cylindrical wall of the outer ring and the outer circumferential wall of the inner ring.
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