Finished Bore with Keyway & SS Bore Sprocket, 60 Chain Size, 1-5/8 Bore Dia., 20 # of Teeth, TRITAN, Mfr# 60BS20H X 1 5/8

Sprocket, Bore Diameter 1 5/8 in, For Chain Pitch 3/4 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 5/8 in, Number of Teeth 20, Outside Diameter 5.19 in, Pitch Diameter 4.794 in, Bore Type Fixed, Chain Number 60, Finish Black Oxide, Hub Diameter 3 7/8 in, Hub Projection 0.791 in, Includes Set Screws, Keyway Yes, Keyway Depth 3/16 in, Keyway Width 3/8 in, Length through Bore 1 1/4 in, Number of Set Screws 2