Gearbelt Pulley Bore Diameter 1 in For Belt Series SilentSync For Belt Width 32 mm For Use With SilentSync White Belts Material Ductile Iron Number of Teeth 76 Outside Diameter 192.17 mm Pitch 8 mm Pitch Diameter 193.54 mm Bore Type Plain Face Width 33 mm Features Self-Tracking Design For Belt Trade Size W-76S Keyway No Keyway Depth Not Applicable Keyway Width Not Applicable Length through Bore 33 mm Material Fabrication Machined Maximum Operating Temperature 200 Degrees F