Synchronous Pulley; 3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 30 Teeth; 0.43" Face Width; Rough Bore; 2.138" Flange OD; 1.89" Outside Diameter; 1.91" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore; 1-1/16" M