| 摘要 |
A bearing unit includes an outer ring member having an outer periphery on which a flange portion is formed, the flange portion being fitted to a vehicle body side; an inner ring member that is rotatably inserted in the outer ring member; and rolling elements in double rows, which are rollably arranged between the outer ring member and the inner ring member, wherein bolts are press-fitted in bolt holes formed in a peripheral edge portion of a wheel fitting flange that is formed on an outer periphery of the inner ring member, and a recessed portion is formed in an outer peripheral surface of the wheel fitting flange. |
