Roller Chain Sprocket; 75MM Bore; 100 Chain; 50 Teeth; 1 Row of Teeth; No Hardened Teeth; 523.723MM Outside Diameter; 505.65MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 31.75MM Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 50 Teeth; 1 Row of Teeth; Hardened Teeth; 20.619" Outside Diameter; 19.908" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material