| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wheel bearing device for a wheel for reducing the weight of a constant velocity joint, preventing the occurrence of abnormal noises due to relative slip between the end face of the outer ring of the constant velocity joint and the end face of the hub shaft of a hub wheel, and improving a structure of fastening the hub shaft of the hub wheel to the constant velocity joint. <P>SOLUTION: The hub shaft 23 has a through-hole 34 in the axial direction. On the end face 72 of the joint outer ring 70 of the constant velocity joint 60, a connection shaft section 73 is constructed which has a screw hole and which is formed in such a positional relationship as to be located between rolling elements 51, 52 of a double-row rolling bearing in the state that an protruded engaging part 77A is assembled on the outer peripheral face. A washer faced bolt 80 has a diameter-enlarging part for diameter-enlarging the protruded engaging part 77A of the connection shaft section 73 to engage with the inner peripheral face of the through-hole 34 of the hub shaft 23 in a bitten-in state when fastening the hub shaft 23 to the connection shaft section 73. <P>COPYRIGHT: (C)2012,JPO&INPIT |
