... GCR15 hardness:59-63HRC precision:ABEC-1 32008 metric roller bearing detail descriptionTapered roller bearing QUALITY: ISO9000 Ready goods in stock High ... Bakelite retainer, etc6.Quality standard: ISO9001-20007.Low noise, high speed, long life8.302 series, 303 series. 313 series, 320, ... , 330 series, 331 series, 332 series and inch tapered roller bearing such ad LM48548/10, LM67048/10, ETC.9.Large ...