Bearing cage with oil circulation means

摘要

A bearing cage (110) for a rolling element bearing assembly, the bearing cage including
an outer surface;
an inner surface defining a bore;
a plurality of pockets, each pocket being suitable for housing a rolling element of the rolling element bearing assembly, the pockets being arranged sequentially around the bearing cage;
characterized in that
a guide portion of the inner surface is tapered in the axial direction of the bore such that the dimensions of the bore increase towards a central region of the bore.