Bushed Roller Chain Sprocket For Bushing Size 2517 For Bushing Type Split Taper For Chain Pitch 1 1/2 in Material Steel Number of Teeth 14 Outside Diameter 7.472 in Pitch Diameter 6.741 in Chain Number 120 For Number of Strands Single Maximum Bore Diameter 2 1/2 in Finish Black Oxide Hub Diameter 4 1/4 in Hub Projection 0.826 in Hub Type One Side Length through Bore 1 3/4 in Standards ANSI B29.1 BIS Teeth Heat Treatment Hardened Teeth Tooth Width 0.924 in