Product dimensional dataShaft-Size (d) 0.9375Dimensions (mm) (in)Overall Diameter (a) 115.1 / 4.53Flange Thickness (b) 9.9 / 0.39Pilot Depth (c) 9.9 / 0.39Bolt Circle Diameter (e) 90.0 / 3.543Thickness Thru Bolt Hole (f) 0.5 / 0.02Bolt Hole Diameter (g) 9.4 / 0.37Length Thru Bore?? (l) 32.8 / 1.29