63208ZZ | Deep Groove Ball Bearings | NTN | MISUMI
Provided is a retainer (7), including a pair of annular members (8, 8), the pair of annular members (8, 8) being coupled to each other so that semispherical bulging portions (9, 9) which are opposed to each other form pockets (11) configured to retain balls (6).The pockets (11) each include a ball-opposed surface (12) having a ball non-contact portion (14) that is recessed toward a side ...
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