1.bearings:6000,6200,6300 series; 2.ABEC-1,3,5; ... Motors. 5.C2,C0,C3. JYB: Original JYB 6201 2RS Bearings Manufacturer From Cixi, ChinaISO 9001:2000 Quality System & SGS Test ... ., Ltd.), thanks for visiting our website here! No.1: Bearings JYB can supply you:1).6000 Series: 606,607,608 ... ZZ(Steel Shields), 2RS, UG, 2RZ;4).Other Non-standard Bearings as you required; No.2: JYB Bearing’s Specifications: 1 ...