Roller Chain Sprocket; 1-5/8" Bore; 40 Chain; 16 Teeth; 1 Row of Teeth; Hardened Teeth; 2.814" Outside Diameter; 2-9/16" Pitch Diameter; A-No Hub; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1" Bore; 60 Chain; 12 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.249" Outside Diameter; 2.898" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material