Roller Chain Sprocket; 100 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 8.643" Outside Diameter; 7.99" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 16 Teeth; 2 Row of Teeth; Hardened Teeth; 7.034" Outside Diameter; 6.408" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 7.839" Outside Diameter; 7.199" Pitch Diameter; A-Double Single; Bushed Mount; 3020 Bushing; 1-1/4" 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; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No 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