Roller Chain Sprocket; 20B-2 Chain; 68 Teeth; 2 Row of Teeth; No Hardened Teeth; 705.815MM Outside Diameter; 687.48MM 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; 28B-1 Chain; 68 Teeth; 1 Row of Teeth; No Hardened Teeth; 988.136MM Outside Diameter; 962.47MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 08B-3 Chain; 68 Teeth; 3 Row of Teeth; No Hardened Teeth; 282.321MM Outside Diameter; 274.99MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 28B-1 Chain; 68 Teeth; 1 Row of Teeth; No Hardened Teeth; 988.136MM Outside Diameter; 962.47MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 68 Teeth; 1 Row of Teeth; No Hardened Teeth; 423.494MM Outside Diameter; 412.49MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material