轴承现型代号轴承基本尺寸dDBMR10SS0.6251.1251MR12SS0.751.25750MR14SS0.8751.3751MR16SS11.51MR18SS1.1251.6251.25MR20SS1.251.751.25MR22SS1.3751.8751.25MR24SS1.52.6251.25MR26SS1.6252.18751.25MR28SS1.752.3121.25MR30SS1.8752.43751.25MR32SS22.56251.25MR36SS2.2531.75MR40SS2.53.251.75MR44SS2.753.51.75MR48SS33.751.75MR52SS3.254.251.75MR68SS3.54.51.75MR56SS3.54.52MR60SS3.54.5c