| 摘要 |
A hub unit includes a seal member for sealing off a space between an outer ring member and a hub wheel at an end portion lying on a vehicle-inner side in an axial direction of a rolling element arranging space defined between the outer ring member and the hub wheel, a cover which isolates an interior space including the rolling element arranging space from an exterior space at an end portion of the outer ring member which lies on a vehicle-outer side and an absorbent accommodating portion as an absorbing portion having an absorbent which absorbs oxygen in the interior space.
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