Synchronous Pulley; 1/2" Belt Width; 3/8 Inch Belt Pitch; L Belt Style; 84 Teeth; 3/4" Face Width; Bushed; 9.997" Outside Diameter; 10.027" Pitch Diameter; Yes Keyway; 1/2 To 1-5/8" Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore