Roller Chain Sprocket; 50 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; A-Double Single; Bushed Mount; 2012 Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; A-Double Single; Bushed Mount; 1615 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 60 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 5.426" Outside Diameter; 5.033" Pitch Diameter; A-Double Single; Bushed Mount; 2517 Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; A-Double Single; Bushed Mount; 3020 Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 7.235" Outside Diameter; 6.71" Pitch Diameter; A-Double Single; Bushed Mount; 3020 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material