Roller Chain Sprocket; 20B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 594.512MM Outside Diameter; 576.35MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No 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; 16B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 475.615MM Outside Diameter; 461.08MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No 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; 08B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 237.795MM Outside Diameter; 230.54MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material