Patent ID: 8771836

Claim:
A rolling bearing comprising an inner ring having a rolling surface on an outer surface thereof, an outer ring having a rolling surface on an inner surface thereof, a plurality of rolling elements interposed between said rolling surface of said inner ring and said rolling surface of said outer ring, and a crown-shaped resin cage holding a plurality of said rolling elements wherein said crown-shaped resin cage is an injection-molded article of a resin composition wherein said resin composition comprises either polyamide resin in combination with polycarbodiimide or polyester resin in combination with polycarbodiimide wherein said polyamide resin is at least one resin selected from the group consisting of polyamide 66 resin and polyamide 11 resin; said polyester resin is polytrimethylene terephthalate resin; and wherein said resin composition contains from 0.5 to 6 wt % of said polycarbodiimide based on the total weight of said resin composition.