Wheel hub unit for constant velocity universal joint has centering collar that engages through aperture of wheel hub in a radially play-free manner, and which is provided near base of shaft journal

摘要

A securing ring (18) engages the rectangular circumferential grooves in the internal splines (14) of a through aperture (13) of a wheel hub (11) as well as the shaft splines (17) in a shaft journal (16) of an outer joint (15). A centering collar near the base of the shaft journal engages the through aperture in a radially play-free way.