ROLLING BEARING

A rolling bearing (10) includes: an inner ring (11); an outer ring (12); a plurality of balls (13) provided between an inner ring raceway and an outer ring raceway; and an annular cage (14) in which the balls are held at intervals in the circumferential direction of the cage. The cage (14) includes an annular body (31), a plurality of first cage prongs (32), and a plurality of second cage prongs (33). A radially outer part of each of the first cage prongs includes a recessed portion (37). The recessed portion (37) is constituted by a region surrounded by a first side wall surface (71), a second side wall surface (72), a bottom wall surface (74), and a third side wall surface (73). 一种滚动轴承(10)包括：内圈(11)；外圈(12)；多个球(13)，所述球(13)设置在内圈滚道与外圈滚道之间；以及环状保持架(14)，球(13)在保持架(14)的周向方向上以一定间隔保持在所述保持架(14)中。保持架(14)包括环状体(31)、多个第一保持架爪(32)和多个第二保持架爪(33)。第一保持架爪(32)中的每一个的径向外侧部分包括凹进部(37)。凹进部(37)由被第一侧壁表面(71)、第二侧壁表面(72)、底壁表面(74)和第三侧壁表面(73)包围的区域构成。