... C2,C0,C3 JYB: Original JYB 6301ZZ ABEC-3 Bearings Manufacturer From Cixi, ChinaISO 9001:2000 Quality ... System & SGS Test passedHigh Quality: ABEC-3, ABEC-5; Z2V2, Z3V3 Hi, this is ... --- Open, ZZ(Steel Shields), 2RS, UG, 2RZ;3).6300 Series: 6300,6301,6302 --- Open, ZZ(Steel ... (Din) 100Cr6_Germany (Chrome Steel);2).Tolerance: ABEC-3,ABEC-5;3).Vibration: Z2V2, Z3V3;4).Radial Play (Clearance): ...