Roller Chain Sprocket; 1-1/2" Bore; 12B-1 Chain; 25 Teeth; 1 Row of Teeth; Hardened Teeth; 6.387" Outside Diameter; 5-63/64" 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-1 Chain; 25 Teeth; 1 Row of Teeth; 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; Carbon Steel Material

Roller Chain Sprocket; 12B-1 Chain; 25 Teeth; 1 Row of Teeth; Hardened Teeth; 162.23MM Outside Diameter; 151.99MM 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; 12B-1 Chain; 25 Teeth; 1 Row of Teeth; Hardened Teeth; 162.23MM Outside Diameter; 151.99MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 25 Teeth; 1 Row of Teeth; Hardened Teeth; 162.23MM Outside Diameter; 151.99MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material