Gearbelt Pulley Bore Diameter 2 3/8 in For Belt Series SilentSync For Belt Width 52.5 mm For Use With SilentSync Green Belts Material Steel Number of Teeth 32 Outside Diameter 139.81 mm Pitch 14 mm Pitch Diameter 142.61 mm Bore Type Fixed Face Width 54.5 mm Features Self-Tracking Design For Belt Trade Size G-32S-2-3/8 Keyway No Keyway Depth Not Applicable Keyway Width Not Applicable Length through Bore 54.5 mm Material Fabrication Machined