... 2013 Hot Deep Groove Ball Bearing 1.High precision & quality 2.ISO 9001 certified 3.Low noise,Stable in chemic 2013 Hot ... Deep Groove Ball Bearing Material: chrome steel STEEL NO.COMPONENTCSiMnCrMoPS CuNiGCr150.95~1.050 ... Inch R series,MR Series,RLS series,RMS seriesSpecification:1) Open, Z, ZZ, RZ,2RZ,RS, 2RS ... : C0, C2, C3 3) Precision Tolerance: ABEC-1 (P0), ABEC-3 (P6), ABE C-5(P5 ...