1)bearings:6000,6200,6300 series; 2)ABEC-1,3,5;Z1V1,Z2V2,Z3V3; ... , ZZ(Steel Shields), 2RS, UG, 2RZ;2).6200 Series: 626,627,628,629,6200,6201,6202,6203,6204,6205 --- Open, ZZ(Steel ... best business partner in the coming future, thanks again! JYB 6200 2RS ABEC-3 Bearings