Patent ID: 7677808

Claim:
A bearing apparatus for a driving wheel of vehicle adapted to be coupled with an outer joint member of a constant velocity universal joint integrally formed with a shaft portion to be inserted into an inner member in a torque transmitting manner and is axially fastened by a nut so that it is abuts the inner member, comprising; an outer member formed with double row outer raceway surfaces on its inner peripheral surface, an integrally formed mounting flange on an outer periphery of said outer member, a bolt hole formed in said flange, said mounting flange to be mounted on a suspension apparatus; an inner member including a wheel hub having an integrally formed wheel mounting flange at one end and an axially extending cylindrical portion of a smaller diameter, and at least one inner ring press fit onto the cylindrical portion, and said inner member formed with double row inner raceway surfaces arranged opposite to the double row outer raceway surfaces; double row rolling elements freely rollably contained between the outer and inner raceway surfaces; lubricant is applied to the end face of the inner member abutting the outer joint member, and the outer member includes an end face that projects beyond the end face of the inner member a small predetermined distance such that the outer member end face prohibits the inner ring end face, with its lubricant, from contacting a work table.