Patent ID: 7255482
Filing Date: 2007-08-14
Classification: B60B,F16C,G01P,Y10T

Abstract:
1. A bearing apparatus for a vehicle driving wheel comprising: a double row rolling bearing; an inner ring fitted on the stepped portion of the smaller diameter of the wheel hub, said inner ring being secured on the wheel hub through a caulked portion formed by plastically deforming the end of the stepped portion radially outwardly; an outer joint member having a shoulder adapted to be abutted to the end surface of the caulked portion and a stem portion axially extending from the shoulder, the outer joint member being inserted in the wheel hub via a serration fitted portion to attain a detachable engagement with the wheel hub; a pre-loading means formed in the serration fitted portion between the stem portion of the outer joint member and the wheel hub; a fastening means for combining the wheel hub and the outer joint member, said fastening means including a fastener and a bore in said outer joint member for receiving said fastener; and a releasing means adapted to be arranged on an inner surface of the wheel hub for removing the outer joint member from the wheel hub, said releasing means utilizing said bore for removing said outer joint member.