Finished Bore with Keyway & SS Bore Sprocket, 40 Chain Size, 7/8 Bore Dia., 36 # of Teeth, Tritan, Mfr#: 40BS36 X 7/8

Sprocket, Bore Diameter 7/8 in, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 7/8 in, Number of Teeth 36, Outside Diameter 6.02 in, Pitch Diameter 5.737 in, Bore Type Fixed, Chain Number 40, Finish Black Oxide, Hub Diameter 3 3/4 in, Hub Projection 0.716 in, Includes Set Screws, Keyway Yes, Keyway Depth 3/32 in, Keyway Width 3/16 in, Length through Bore 1 in, Number of Set Screws 2