Roller Chain Sprocket; 40 Chain; 22 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.778" Outside Diameter; 3.513" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 80 Chain; 22 Teeth; 1 Row of Teeth; No Hardened Teeth; 7.555" Outside Diameter; 7.027" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material