21306R Spherical roller bearing 30*72*19mm

model parameter： d 30 D 72 B 19 R 1.1 Cr 52.8 Cor 51.8 Grease 5800 oil 7800 Cylindrical Bore 21306R TapeRed Bore 21306RK da 37 da 65 Ra 1 e 0.29 Y1 2.32 Y2 3.45 Y0 2.26 CylindRical Bore 0.39 TapeRed Bore 0.38 characteristic ： Spherical roller bearings, designed to apply for heavy loading capacity, can compensate for shaft deformation and non-centered error with symmetrical doulbe row spherical rollers self-aligning in the groove of the outer ring. our advantage： 1.own factory 2.large stock 3.high quality and advantage price