Roller Chain Sprocket; 5-1/4" Bore; 160-3 Chain; 24 Teeth; 3 Row of Teeth; No Hardened Teeth; 16.392" Outside Diameter; 15.322" Pitch Diameter; C-Hub Both Sides; Finished Bore Mount; No Bushing; 2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material