Roller Chain Sprocket; 1" Bore; 60 Chain; 18 Teeth; 1 Row of Teeth; No Hardened Teeth; 4-45/64" Outside Diameter; 4.319" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 6.271" Outside Diameter; 5.759" Pitch Diameter; A-No Hub; Bushed Mount; 2517 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material