Synchronous Pulley; 1-1/2" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 18 Teeth; 1-13/16" Face Width; Rough Bore; 3-7/64" Flange OD; 2.811" Outside Diameter; 2.865" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1-