Patent ID: 9512880
Filing Date: 2016-12-06
CPC Classification: F16C,Y10T

Claim Text:
1. A rolling bearing comprising: an inner ring; an outer ring; a plurality of rolling elements arranged between the inner ring and the outer ring so as to be able to roll; and a resin cage that holds the rolling elements, wherein the resin cage includes a pair of split members shaped like a ring split in two halves in an axial direction, each of the split members has a plurality of pocket portions in each of which a half pocket surface for holding the rolling element is formed and a plurality of coupling portions on each of which a coupling surface that comes into contact with a coupling surface of the other split member is formed and which are coupled to coupling portions of the other split member, the pocket portions and the coupling portions being alternately arranged in a circumferential direction; on a first coupling portion of the coupling portions coupled together, an engagement pawl is formed which protrudes from the coupling surface in the axial direction, on a second coupling portion of the coupling portions coupled together, an engagement groove is formed which is recessed in the axial direction with respect to the coupling surface and into which the engagement pawl is inserted, the engagement pawl has a base portion that extends from the coupling surface in the axial direction and a pawl portion that protrudes from a tip portion of the base portion in a radial direction and engages with the second coupling portion, and the first coupling portion includes an insertion hole that passes through the first coupling portion in the axial direction, a radially outer top portion of the insertion hole being disposed radially outside of a radially outer top portion of the pawl, the insertion hole being dimensioned such that the insertion hole being capable of receiving a mold that is used to mold a radial end surface of the base portion on a side from which the pawl portion protrudes.