| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing device for a wheel capable of enhancing the press-fitting difficulty of a hub bolt in a hub flange, and preventing damages of the hub bolt after the press-fitting. SOLUTION: In the bearing device, a hub ring 41 and a rolling bearing 42 are unitized with each other. The hub ring 41 has a hub flange 51 with a hub bolt 52 being press-fitted therein. A bolt hole insertion guide part 92 is provided on a fore end of the hub bolt 52. COPYRIGHT: (C)2008,JPO&INPIT
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