Roller Chain Sprocket; 2" Bore; 100 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 7.839" Outside Diameter; 7.199" Pitch Diameter; A-Double Single; Finished Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 6.271" Outside Diameter; 5.759" Pitch Diameter; A-Double Single; Bushed Mount; 2517 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1" Bore; 40 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; A-Double Single; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 80 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 6.271" Outside Diameter; 5.759" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material