Synchronous Pulley; 1/2" Belt Width; 3/8 Inch Belt Pitch; L Belt Style; 15 Teeth; 3/4" Face Width; Rough Bore; 1.76" Outside Diameter; 1.79" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Sprocket, Idler; Roller Chain; 0.638" Bore; 60 Chain Size; 15 Teeth; Ball Bearing; 3/4" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel

Synchronous Pulley; 3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 15 Teeth; 0.43" Face Width; Rough Bore; 0.935" Outside Diameter; 0.955" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore