Finished Bore with Keyway & SS Bore Roller Chain Sprocket, 50 Chain Size, 28 # of Teeth, TRITAN, Mfr# 50BS28H X 1 7/16

Roller Chain Sprocket, Bore Diameter 1 7/16 in, For Chain Pitch 5/8 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 7/16 in, Number of Teeth 28, Outside Diameter 5.92 in, Pitch Diameter 5.582 in, Bore Type Fixed, Chain Number 50, Finish Black Oxide, Hub Diameter 3 in, Hub Projection 0.907 in, Includes Set Screws, Keyway Yes, Keyway Width 3/8 in, Length through Bore 1 1/4 in, Number of Set Screws 2