Patent ID: 7140781

Claim:
A sealing unit for a wheel bearing, the sealing unit comprising: a cover cap made of sheet metal and attachable on a rotationally fixed bearing ring, the cover cap having a rotationally symmetrical shoulder which extends in the direction of roller bodies of the bearing, and the shoulder defines a hollow space, a baffle plate extending in a radial direction and disposed on a rotatable bearing ring which can rotate with respect to the rotationally fixed bearing ring, a hollow cylindrical section which is fixed with respect to the rotatable bearing ring and the cylindrical section protrudes axially from the baffle plate in the direction of the roller bodies of the bearing, an elastic annular seal on the cover cap, the elastic seal being fixed with respect to the shoulder, the seal having at least one sealing lip which bears at least once in a radially sealing fashion against the hollow cylindrical section, the annular seal protruding in an axial direction from the shoulder and in an annular shape and the seal projecting free of the shoulder and in the direction of the roller bodies of the bearing, wherein the seal projects from the shoulder by at least one third of the axial length of the shoulder; the seal along with the shoulder projecting freely from the cover cap in the axial direction, the seal being radially thicker than the thickness of the sheet metal of the cover cap, and starting from the shoulder, the freely projecting seal can be freely elastically varied in a radial direction by the shoulder, and the seal is continuous, as it extends further, and the seal includes at least one sealing lip which bears in a sealing fashion against a section of the baffle plate.