Roller Chain Sprocket; 40-2 Chain; 17 Teeth; 2 Row of Teeth; Hardened Teeth; 2.974" Outside Diameter; 2.721" Pitch Diameter; A-No Hub; Bushed Mount; 1008 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80-2 Chain; 17 Teeth; 2 Row of Teeth; Hardened Teeth; 5.949" Outside Diameter; 5.442" Pitch Diameter; A-No Hub; Bushed Mount; 2517 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 50-2 Chain; 17 Teeth; 2 Row of Teeth; Hardened Teeth; 3.718" Outside Diameter; 3.401" Pitch Diameter; A-No Hub; Bushed Mount; 1610 Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material