| 摘要 |
A bearing positioning device for hub assembly includes a hub with a sleeve connected thereto, and an axle extends through the hub and the sleeve. A ratchet part extends from the sleeve and the sleeve has an engaging hole through which the axle extends. An inner bearing is mounted to an inner ring of the axle. A contact unit has at least one contact member which is mounted to the axle and has a flange whose diameter is larger than the inner diameter of the engaging hole. A contact surface is formed on one side of the at least one contact member and contacts on a side of the inner ring. The engaging hole is reduced so that the thickness of the sleeve is not reduced so as to reduce the wearing of the tools and the machining time required.
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