Patent ID: 7465102
Filing Date: 2008-12-16
Classification: B60B,F16C

Abstract:
1. An at least partly cold-formed bearing ring of a wheel bearing unit, wherein the bearing ring is designed hollow-cylindrically about an axis of rotation of the wheel bearing unit, comprising at least two raceways for rolling bodies, a flange emanating radially with respect to the axis of rotation, a rim, the rim running axially about the axis of rotation between the raceways and projecting radially out of the bearing ring between the raceways, and an annular groove that is curvilinear in profile as viewed along a plane that contains the axis of rotation, wherein the annular groove acts as a stress relief notch, the annular groove adjoining the rim radially on a circumferential side of the bearing ring facing away from the raceways and the annular groove extending, radially codirectionally with the rim, at least partially radially into the bearing ring.