US Patent 7758432 Exterior joint part comprising a supporting disc

An outer joint part (12) of a constant velocity universal joint (11) in the form of a joint bell (16) with an attached connecting journal (17) and a radial supporting face (18) at the joint bell (16). The outer joint part (12), by threading, can be tensioned relative to a wheel hub (25) slid on to the connecting journal and which is supported either directly or indirectly on the supporting face (18). An annular disc (22) which is made of a low-friction material and is positioned on the supporting face (18) so as to be concentric relative to the connecting journal (17).