CAGE WITH IMPROVED MASS DISTRIBUTION, AND BALL BEARING COMPRISING SUCH CAGE

摘要

A cage for a ball bearing comprises a ring-shaped element provided with prongs (2, 3) which extend with respect to the ring-shaped element (1), cage pockets (4) being enclosed between adjacent pairs of prongs (2, 3), and said pairs of prongs each defining an opening (5) through which a ball element may be accommodated in the cage pocket (4) by snapping in in the axial direction with respect to the ring-shaped element, said ring-shaped element having opposite sides (16, 17) facing away from each other in axial direction with respect to said element (1), and the prongs (2, 3) being situated on one side of the ring-shaped element. The other side (16) of the ring-shaped element (1), facing away from said one side (16), is provided with recesses (13), each of said recesses (13) being located between two adjacent cage pockets (4) and stretching over the full thickness in the radial direction of the ring-shaped element (1).