Roller Chain Sprocket; 40 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.738" Outside Diameter; 4.465" Pitch Diameter; B-Hub One Side; Bushed Mount; SH Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 60 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 7.106" Outside Diameter; 6.698" Pitch Diameter; B-Hub One Side; Bushed Mount; SK Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material