Roller Chain Sprocket; 28B-1 Chain; 54 Teeth; 1 Row of Teeth; No Hardened Teeth; 789.838MM Outside Diameter; 764.47MM 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; 50 Chain; 54 Teeth; 1 Row of Teeth; Hardened Teeth; 11.106" Outside Diameter; 10.749" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 54 Teeth; 1 Row of Teeth; Hardened Teeth; 338.506MM Outside Diameter; 327.63MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 54 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.884" Outside Diameter; 8.599" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-1/8" Bore; 40 Chain; 54 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.884" Outside Diameter; 8.599" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material