Support a high axial load, two seperate ball race way, loose beaing, low noise, high quality, Bearing Typewith grooved raceway(s)Bore Dia (d)3.000 - 1000.000 mmOuter Dia (D)8.000 - 3000.000 mmHeight (H)3.5~85Static Load Rating (Cor)14~4000Dynamic Load Rating (Cr)10~645Max Speed (Grease) (X1000 RPM)6700~350Max Speed (Oil) (X1000 RPM)9500~500Weight (kg)0.021~56Material52100 chrome steel, GCr15, ...