Sprocket, For Bushing Size SH, For Bushing Type Quick Detachable, For Chain Pitch 1/2 in, Material Steel, Number of Teeth 22, Outside Diameter 3.78 in, Pitch Diameter 3.513 in, Chain Number 40, For Number of Strands Single, Maximum Bore Diameter 1 5/8 in, Finish Black Oxide, For Pitch Type Single Pitch, Hub Diameter 2 11/16 in, Hub Projection 0.529 in, Hub Type One Side, Length through Bore 13/16 in, Material Grade 1045, Minimum Bore Diameter 1 11/16 in, Resistance Properties Corrosion Resistant