Synchronous Pulley; 3" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 24 Teeth; 3.307" Face Width; Bushed; 3-49/64" Outside Diameter; 3.82" Pitch Diameter; Yes Keyway; 1/2 To 1-5/8" Bushing Bore Range; 1615 Bushing; No Minimum Plain Bore