Synchronous Pulley; 3/8" Belt Width; 1/5" Belt Pitch; XL Belt Style; 24 Teeth; 9/16" Face Width; Rough Bore; 1-3/4" Flange OD; 1.508" OD; 1.528" Pitch Diam; No Keyway; No Bushing; Yes Minimum Plain Bore; 0.69" Max Bore