Synchronous Pulley; 4" Belt Width; 7/8 Inch Belt Pitch; XH Belt Style; 30 Teeth; 3.626" Face Width; Bushed; 8.245" Outside Diameter; 8.356" Pitch Diameter; Yes Keyway; 1 To 3" Bushing Bore Range; 3020 Bushing; No Minimum Plain Bore