Provided is a rolling device in which hydrogen is not easily accumulated within a roller element made of steel, such as an inner race and an outer race, and premature separation due to hydrogen embrittlement is prevented from occurring. A rolling bearing 1...

A flanged bearing ring (11) has a tubular core (20) of steel and an outer flange (13) of a light metal in which there are formed axial through bores (14) for accommodating bolts for mounting a wheel to the ring (11); fixed in each bore (14) is a steel inse...