| 摘要 |
PROBLEM TO BE SOLVED: To provide a hub unit for a vehicle excellent in workability when a wheel and a braking rotation body are mounted while suppressing noise of a brake to a small degree at braking. SOLUTION: Fitting of a bolt hole 6 of a flange part 4 made of metal and a neck part B1 of a hub bolt B made of metal is made loose to a degree that undulation is not generated on the flange part 4 accompanying with press-insertion of the hub bolt B and an edge 4a at the bolt hole 6 side of the flange part 4 and the hub bolt B are fixed to each other by an oxidation reaction. COPYRIGHT: (C)2006,JPO&NCIPI
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