Synchronous Pulley; 1-1/2" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 28 Teeth; 1-13/16" Face Width; Bushed; 4-45/64" Flange OD; 4.402" Outside Diameter; 4.456" Pitch Diameter; Yes Keyway; 1/2 To 2" Bushing Bore Range; SD Bushing; No Minimum Plain Bore