Bushed Roller Chain Sprocket, For Bushing Size 2012, For Bushing Type Split Taper, For Chain Pitch 1 in, Material Steel, Number of Teeth 17, Outside Diameter 5.95 in, Pitch Diameter 5.442 in, Chain Number 80, For Number of Strands Single, Maximum Bore Diameter 2 in, Finish Black Oxide, Hub Diameter 3 5/8 in, Hub Projection 0.675 in, Hub Type One Side, Length through Bore 1 1/4 in, Standards ANSI B 29.1, BIS, Teeth Heat Treatment Hardened Teeth, Tooth Width 0.575 in