Roller Chain Sprocket; 50-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 50-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; B-Hub One Side; Bushed Mount; P1 Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material