... quality our bearing ranges as follows:1),Deep groove ball 2)self-anligning bearings,(1200,1300,2200,2300 series)3) ... stainless steel ball bearings, 4), Angular contact ball bearings, 7000, 7200, 7300, 3200, 3300,4200 series.5), Special bearing & un-standard bearing ... , 32200, 32010, 33000, LM- inch bearings..)11). Thrust ball bearing(51100, 51200, 51300,,..)If you have any question, please do ...