Roller Chain Sprocket; 12B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 356.718MM Outside Diameter; 345.81MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 08B-2 Chain; 57 Teeth; 2 Row of Teeth; No Hardened Teeth; 237.795MM Outside Diameter; 230.54MM Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 12.7MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 237.795MM Outside Diameter; 230.54MM Pitch Diameter; B-Hub One Side; Bushed Mount; 2012 Bushing; 12.7MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 237.795MM Outside Diameter; 230.54MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 20B-2 Chain; 57 Teeth; 2 Row of Teeth; No Hardened Teeth; 594.512MM Outside Diameter; 576.35MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material