Roller Chain Sprocket; 12B-2 Chain; 10 Teeth; 2 Row of Teeth; No Hardened Teeth; 69MM Outside Diameter; 61.64MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 2-1/8" Bore; 12B-2 Chain; 19 Teeth; 2 Row of Teeth; No Hardened Teeth; 4.945" Outside Diameter; 4.557" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-2 Chain; 57 Teeth; 2 Row of Teeth; No Hardened Teeth; 356.718MM Outside Diameter; 345.81MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-1/2" Bore; 12B-2 Chain; 15 Teeth; 2 Row of Teeth; Hardened Teeth; 3.978" Outside Diameter; 3.607" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-2 Chain; 25 Teeth; 2 Row of Teeth; No Hardened Teeth; 162.23MM Outside Diameter; 151.99MM Pitch Diameter; B-Hub One Side; Bushed Mount; 2517 Bushing; 19.05MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material