Wheel bearing apparatus
AssigneeJtekt Corporation
InventorEishou Harada
Life of this patent
Estimating the term…
Abstract
A wheel bearing apparatus includes a hub shaft having a flange to which a wheel is attached and which is located on a vehicular outer side, an outer ring, a plurality of rolling elements, an annular seal member, and an annular slinger. The slinger has a circular ring portion that is in contact with the flange and a tube portion extending from the circular ring portion toward a vehicular inner side. The tube portion has pawl portions located on the vehicular inner side to engage with a recessed portion of an outer periphery of the hub shaft to inhibit the slinger from being displaced toward the vehicular inner side. The tube portion is further provided with a plurality of slits that is formed along a circumferential direction and that is open on the vehicular inner side. The slits include slits with different depths.
Claims8
A wheel bearing apparatus comprising:
- a hub shaft having a flange to which a wheel is attached and which is located on a vehicular outer side;
- an outer ring provided radially outward of the hub shaft;
- a plurality of rolling elements provided between the hub shaft and the outer ring;
- a cage that holds the rolling elements;
- an annular seal member attached to the outer ring;
- and
- an annular slinger which is externally fitted and attached to the hub shaft and with which the seal member is in sliding contact, wherein
- the slinger has a circular ring portion that is in contact with the flange and a tube portion extending from the circular ring portion toward a vehicular inner side, and the tube portion has a pawl portion located on the vehicular inner side to engage with a part of an outer periphery of the hub shaft to inhibit the slinger from being displaced toward the vehicular inner side, and
- the tube portion is further provided with a plurality of slits that is formed along a circumferential direction and that is open on the vehicular inner side, and the slits include slits with different depths.
Dependencies are inferred from the claim text.