| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve detection accuracy of a magnetic sensor by making a pulser ring hardly stuck with foreign matter. <P>SOLUTION: The hub unit includes a hub wheel 4 provided with a flange 41 facing outward in a wheel-fixed diameter direction and a hollow shaft part 42, a ball bearing 5 press-fit into the shaft part 42, the pulser ring 10 fixed to the side of the inner ring of the bearing 5 and the magnetic sensor 20 provided on the side of the outer ring of the bearing 5 and facing the pulser ring 10. The sensor 20 is fixed by being inserted in the opening 75 of a magnetic sensor support 7 provided with a cylindrical part 71 press-fit into the outer periphery of an shaft end of the outer ring and an annular part 72 for closing an annular space between the inner and outer rings. A non-magnetic substance 11 is stuck onto a face to be detected of the pulser ring 10. <P>COPYRIGHT: (C)2012,JPO&INPIT |
