Roller Chain Sprocket; 120 Chain; 21 Teeth; 1 Row of Teeth; 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; Carbon Steel Material

Roller Chain Sprocket; 120 Chain; 21 Teeth; 2 Row of Teeth; No Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Double Single; Bushed Mount; R1 Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 120 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 10.853" Outside Diameter; 10.065" Pitch Diameter; B-Hub One Side; Bushed Mount; E Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 2-1/4" Bore; 120 Chain; 21 Teeth; 1 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; 2-15/16" Bore; 120 Chain; 21 Teeth; 1 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