Sprocket For Bushing Size SF For Bushing Type Quick Detachable For Chain Pitch 3/4 in Material Steel Number of Teeth 48 Outside Diameter 11.89 in Pitch Diameter 11.467 in Chain Number 60 For Number of Strands Single Maximum Bore Diameter 2 15/16 in Finish Black Oxide For Pitch Type Single Pitch Hub Diameter 4 5/8 in Hub Projection 0.791 in Hub Type One Side Length through Bore 1 1/4 in Material Grade 1045 Minimum Bore Diameter 2 15/16 in