| 摘要 |
A pedal crank bearing assembly includes a housing, a tube, two races, two bearings and an axle. The axle is rotatably engaged within the tube by two bearings and at least one bearing is received in an inner side of one of the races which is threadedly engaged to an inner periphery of the housing and the tube is threadedly engaged to an inner periphery of the race. The race has a serrated face defined at an end thereof for engagement to a stop fixed on the tube for preventing the race from rotating.
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