Rolling bearing retainer and rolling bearing

Abstract

To provide a rolling bearing retainer formed as a metal retainer and being capable of suppressing wear of a guide surface of a pocket that retains a ball served as a rolling element even in a case in which a lubrication function by a lubricant is deteriorated. A rolling bearing 1 is provided with an inner ring 2, an outer ring 3, a ball 4 interposed between the inner ring 2 and the outer ring 3, and a retainer 5 that retains the ball 4. The retainer 5 is formed as a metal retainer including pockets 6, each of which retains the ball 4, formed at positions in a circumferential direction and including a resin coating film formed on at least an inner surface of each of the pockets 6 served as a rolling element guide surface. The resin coating film 7 is formed of a resin composition including an aromatic polyether ketone based resin as a matrix resin and including a solid lubricant.

Dependencies are inferred from the claim text.