Roller Chain Sprocket; 120-2 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 4-3/8" Bore; 120-2 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 3-5/8" Bore; 120-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 2-3/4" Bore; 120-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 120-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material