Finished Bore with Keyway & SS Bore Sprocket, 50 Chain Size, 1-3/8 Bore Dia., 16 # of Teeth, TRITAN, Mfr# 50BS16H X 1 3/8

Sprocket, Bore Diameter 1 3/8 in, For Chain Pitch 5/8 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 3/8 in, Number of Teeth 16, Outside Diameter 3.52 in, Pitch Diameter 3.204 in, Bore Type Fixed, Chain Number 50, Finish Black Oxide, Hub Diameter 2 1/2 in, Hub Projection 0.657 in, Includes Set Screws, Keyway Yes, Keyway Depth 5/32 in, Keyway Width 5/16 in, Length through Bore 1 in, Number of Set Screws 2