Gearbelt Pulley For Belt Series SilentSync For Belt Width 52 1/2 mm For Bushing Size SF Material Steel Number of Teeth 40 Outside Diameter 175.46 mm Pitch 14 mm Pitch Diameter 178.26 mm Face Width 54.5 mm Features Self-Tracking Design Number of Flanges 0 Overall Width 54.5 mm Pulley Construction Plain