... ball antifriction bearing 1.Tolerance level:ABEC-1,ABEC-3 2.Vibration noisy lever:Z1,Z2 3.Stocks 4.NBR co, Series ... 12(K), 22(K), 13(K), 23(K) aligning ball antifriction bearing Packing& ... INA NTN NSK)Product catalog:Deep groove ball bearing,Angular contact bearing,Self-aligning bearing,Cylindrical ... with three oil holesC2/C3/C4: Internal clearance series: C2,C0,C3, and C4 products sample ...