Synchronous Pulley; 2" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 21 Teeth; 2.283" Face Width; Bushed; 3.288" Outside Diameter; 3.342" Pitch Diameter; Yes Keyway; 1/2 To 1-5/8" Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore