Patent ID: 9145027
Filing Date: 2015-09-29
Classification: B60B,F16C

Abstract:
1. A wheel bearing assembly, comprising: an outer race in which a plurality of rows of track portions are formed at an inner side thereof; a hub that is coaxially disposed with the outer race to be rotatably disposed in the outer race; an inner race that is engaged with a portion of an outside surface of the hub to rotate together with the hub; a first roller that is interposed between the hub and the outer race to be rolled; and a second roller that is interposed between the inner race and the outer race to be rolled, wherein a hub screw portion and a hub forcible insertion portion that is formed near the hub screw portion are formed on one side external circumferential surface of the hub in a circumferential direction, and an inner race screw portion that is engaged with the hub screw portion and an inner race forcible insertion portion that is forcibly inserted into the hub forcible insertion portion are formed on an interior circumference of the inner race in a circumferential direction.