Bushed Roller Chain Sprocket For Bushing Size 2012 For Bushing Type Split Taper For Chain Pitch 5/8 in Material Steel Number of Teeth 30 Outside Diameter 6.321 in Pitch Diameter 5.979 in Chain Number 50 For Number of Strands Single Finish Black Oxide Length through Bore 1 1/4 in Standards ANSI B29.1 BIS Teeth Heat Treatment Hardened Teeth Width Across Tooth Sets Not Applicable