Roller Chain Sprocket; 80-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; B-Hub One Side; Bushed Mount; R1 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 80-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; B-Hub One Side; Bushed Mount; SF Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-15/16" Bore; 80-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 2-3/4" Bore; 80-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material