Roller Chain Sprocket; 40-3 Chain; 72 Teeth; 3 Row of Teeth; No Hardened Teeth; 11.752" Outside Diameter; 11.463" Pitch Diameter; B-Hub One Side; Bushed Mount; Q1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40-3 Chain; 72 Teeth; 3 Row of Teeth; No Hardened Teeth; 11.752" Outside Diameter; 11.463" Pitch Diameter; B-Hub One Side; Bushed Mount; SF Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40-3 Chain; 72 Teeth; 3 Row of Teeth; No Hardened Teeth; 11.752" Outside Diameter; 11.463" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material