Synchronous Pulley; 1/2" Belt Width; 3/8" Belt Pitch; L Belt Style; 16 Teeth; 3/4" Face Width; Rough Bore; 2-1/8" Flange OD; 1.88" OD; 1.91" Pitch Diam; No Keyway; No Bushing; Yes Minimum Plain Bore; 1" Max Bore