Sprocket For Bushing Size P1 For Bushing Type Split Taper For Chain Pitch 5/8 in Material Steel Number of Teeth 19 Outside Diameter 4.12 in Pitch Diameter 3.798 in Chain Number 50 For Number of Strands Single Finish Black Oxide Hub Diameter 3 in Hub Projection 0.97 in Hub Type One Side Length through Bore 1 5/16 in Material Grade 1045 Resistance Properties Corrosion Resistant Teeth Heat Treatment Hardened Teeth Tooth Width 0.343 in Width with Bushing 1.937 in