RETAINER FOR BALL BEARING, BALL BEARING WITH THE RETAINER, AND METHOD OF MANUFACTURING THE RETAINER

摘要

A snap cage (5) includes an annular cage body having a plurality of pockets (11) defined therein at respective circumferential locations for retaining a corresponding number of balls. Each of the pockets (11) also has an inner face formed with a recessed area (16) extending from a pocket open edge on a cage inner diametric side towards a cage outer diametric side.