Sprocket For Bushing Size 1610 For Bushing Type Taper Lock For Chain Pitch 1/2 in Material Steel Number of Teeth 48 Outside Diameter 7.928 in Pitch Diameter 7.645 in Chain Number 40 For Number of Strands Single Maximum Bore Diameter 1 5/8 in Finish Black Oxide For Pitch Type Single Pitch Hub Diameter 3 in Hub Projection 0.716 in Hub Type One Side Length through Bore 1 in Material Grade 1045 Minimum Bore Diameter 1 5/8 in Resistance Properties Corrosion Resistant