Roller Chain Sprocket; 5/8" Bore; 08B-1 Chain; 11 Teeth; 1 Row of Teeth; Hardened Teeth; 2.003" Outside Diameter; 1.775" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-3/8" Bore; 08B-1 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 12 Teeth; 1 Row of Teeth; Hardened Teeth; 55.016MM Outside Diameter; 49.07MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-3/8" Bore; 08B-1 Chain; 17 Teeth; 1 Row of Teeth; Hardened Teeth; 2.974" Outside Diameter; 2.721" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 3/4" Bore; 08B-1 Chain; 15 Teeth; 1 Row of Teeth; Hardened Teeth; 2.652" Outside Diameter; 2.405" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material