Roller Chain Sprocket; 1-3/16" Bore; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-1/4" Bore; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 180 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 16.279" Outside Diameter; 15.096" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1" Bore; 40 Chain; 21 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 200-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 18.088" Outside Diameter; 16.775" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 2-1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material