| 摘要 |
PROBLEM TO BE SOLVED: To effectively prevent intrusion of water through the opposed faces of a cover member 25 and an outer ring member 2 independently of the cover member 25 formed of resin or metal. SOLUTION: This wheel rolling bearing device 1 comprises the outer ring member 2 and the cover member 25 for blocking a vehicle inner side end face 2a of the outer ring member 2 and a vehicle inner side end opening of the outer ring member 2. Herein, a sealing member 29 is mounted between both opposed faces 2a, 27a of both members 2, 25 for absorbing water to swell itself. COPYRIGHT: (C)2006,JPO&NCIPI
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