Patent ID: 6790145
Filing Date: 2004-09-14
Classification: B60B,Y10S

Abstract:
A wheel bearing unit for a motor vehicle, the wheel bearing unit comprising an annular roller bearing and a constant-velocity joint arranged inside the roller bearing;the roller bearing comprising an outer ring, an inner ring and first rolling elements between the outer and inner rings; an inner ring flange radially inward of the bearing inner ring, the inner ring flange having a wheel rim flange which is directed radially outwardly for accommodating a brake disk, and the entire roller bearing is disposed radially outside of and on the inner ring flange, except that the wheel rim flange extends radially out past the roller bearing; the inner ring flange having a radially inner side with recesses therein; the constant velocity joint including an outer part, an inner part, a row of second rolling elements between the outer and the inner parts, respective raceways in the outer part receiving the second rolling elements; the outer part of the constant velocity joint includes an axially extended extension section extending away from the second rolling elements, and radially outwardly directed projections on the axially extended extension section, the projections being shaped for projecting into the recesses of the inner ring flange, the projections of the outer part of the constant velocity joint extending into the axial area of the wheel rim flange of the inner ring flange.