| 摘要 |
A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and a constant velocity universal joint connected to a wheel hub of the inner member. A cap, formed as a low friction member, is interposed between a caulked portion and a shoulder portion of the constant velocity joint. The cap has a disc shaped abutting portion, a cylindrical portion and an anchoring portion. The disc shaped abutting portion is adapted to abut against the caulked portion and the shoulder portion. The cylindrical portion extends axially from the radially outermost portion of the abutting portion. The anchoring portion extends radially inward from a free end of the cylindrical portion. The radially inner diameter of the anchoring portion is formed slightly smaller than the radially outer diameter of the caulked portion so that the cap can be mounted on the caulked portion in a snap-fitting manner.
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