Synchronous Pulley; 1-1/2" Belt Width; 1/2" Belt Pitch; H Belt Style; 18 Teeth; 1.812" Face Width; Bushed; 3.1" Flange OD; 2.811" OD; 2.865" Pitch Diam; Yes Keyway; 1/2 To 1-1/4" Bushing Bore Range; 1215 Bushing; No Minimum Plain Bore