Gearbelt Pulley, Bore Diameter 1 in, For Belt Series SilentSync, For Belt Width 105 mm, For Use With SilentSync Red Belts, Material Ductile Iron, Number of Teeth 75, Outside Diameter 331.44 mm, Pitch 14 mm, Pitch Diameter 334.24 mm, Bore Type Plain, Face Width 107 mm, Features Self-Tracking Design, For Belt Trade Size R-75S, Keyway No, Keyway Depth Not Applicable, Keyway Width Not Applicable, Length through Bore 107 mm, Material Fabrication Machined, Maximum Operating Temperature 200 Degrees F