Patent ID: 7534049

Claim:
A wheel support bearing assembly for rotatably supporting an automotive wheel relative to a vehicle body structure, comprising: an outer member having an outer periphery formed with a flange and an inner periphery formed with raceway surfaces; an inner member formed with raceway surfaces confronting the associated raceway surfaces in the outer member; double rows of rolling elements interposed between the raceway surfaces in the inner member and the raceway surfaces in the outer member, respectively; and a sealing unit to seal opposite open ends of an annular bearing space delimited between the outer and inner members, wherein the inner member includes a hub axle formed with one of the raceway surfaces and a wheel mounting flange, wherein the hub axle and the outer member have fiber flows with some thereof being cut off at and exposed to the raceway surface, and wherein the angle of so exposed fiber flows relative to at least one of the raceway surface in the hub axle and the raceway surfaces in the outer member is chosen to be equal to or smaller than 15°.