Roller Chain Sprocket; 40-2 Chain; 30 Teeth; 2 Row of Teeth; No Hardened Teeth; 5.057" Outside Diameter; 4.783" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 30 Teeth; 2 Row of Teeth; Hardened Teeth; 5.057" Outside Diameter; 4.783" Pitch Diameter; B-Hub One Side; Bushed Mount; Q1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40-2 Chain; 30 Teeth; 2 Row of Teeth; No Hardened Teeth; 5.057" Outside Diameter; 4.783" Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material