2013 New Taper Roller Bearings 1.High precision & quality 2.ISO 9001 certified 3.Low noise,Stable in chemical 2013 New Taper Roller Bearings Material: chrome steel ... (Lower H27-48.5-15, Upper H26-48.5-13), etc Specification:1) Open, Z, ZZ, RZ,2RZ,RS, 2RS 2) Clearance ... (kg)Bearing NoDimensions(mm)Weight(kg) dDTdDT 30203 17 40 13.25 0.079 32206 30 62 21.25 0.287 ...