| 摘要 |
<p>The present invention relates to a wheel bearing which can wirelessly supply power in a fixed vehicle body side to a rotated wheel side. According to an embodiment of the present invention, the wheel bearing may comprise: a hub rotationally connected to a wheel, wherein a hub flange is formed on the outer side of a radius in an end portion, and a stepped portion is formed on the outer circumferential surface of the other end portion; an inner ring mounted in the stepped portion of the hub; an outer ring surrounding the hub and the inner ring to form a space between the hub and the inner ring and fixedly connected to a vehicle body, wherein an outer ring flange is extended to the outer side of a radius on an outer circumferential surface; a plurality of rolling elements mounted to be slid between the hub and the outer ring; a wireless power receiving device mounted on a rotational disk which is mounted on an outer circumferential surface of the hub; and a wireless power transmission device mounted on a fixed disk which is mounted on an outer circumferential surface of the outer ring.</p> |
