Bushed Roller Chain Sprocket For Bushing Size E For Bushing Type Quick Detachable For Chain Pitch 1 1/4 in Material Steel Number of Teeth 18 Outside Diameter 7.84 in Pitch Diameter 7.198 in Chain Number 100 For Number of Strands Single Maximum Bore Diameter 3 1/2 in Finish Black Oxide Hub Diameter 6 in Hub Projection 0.558 in Hub Type One Side Length through Bore 2 15/16 in Standards ANSI B29.1 BIS Teeth Heat Treatment Hardened Teeth Tooth Width 0.692 in