Roller Chain Sprocket; 16B-1 Chain; 31 Teeth; 1 Row of Teeth; No Hardened Teeth; 265.024MM Outside Diameter; 251.08MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 16B-1 Chain; 18 Teeth; 1 Row of Teeth; Hardened Teeth; 159.283MM Outside Diameter; 146.27MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 70 Teeth; 2 Row of Teeth; No Hardened Teeth; 11.433" Outside Diameter; 11.145" Pitch Diameter; C-Hub Both Sides; Bushed Mount; 2517 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material