Product dimensional dataShaft-Size (d) 1.4375Dimensions (mm) (in)Center of Outer Race to Front of Bearing (a) 32.3 / 1.27Center of Outer Race to Back of Bearing (b) 18.8 / 0.74Outer Diameter of Inner Race (c) 55.6 / 2.19Outer Diameter of Outer Race (d) 72.0 / 2.835Length Thru Bore (j) 51.1 / 2.01Width of Outer Race (w) 20.1 / 0.79