Finished Bore with Keyway & SS Bore Roller Chain Sprocket, 08B Chain Size, 12 # of Teeth, TRITAN, Mfr# 08BS12H X 22

Roller Chain Sprocket, Bore Diameter 22 mm, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 22 mm, Number of Teeth 12, Outside Diameter 2.27 in, Pitch Diameter 49.07 mm, Bore Type Fixed, Chain Number 08B, Finish Black Oxide, Hub Diameter 34 mm, Hub Projection 0.812 in, Includes Set Screws, Keyway Yes, Keyway Width 6 mm, Length through Bore 28 mm, Number of Set Screws 2