Roller Chain Sprocket; 1-1/4" Bore; 100 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 2" Bore; 100 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 100 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 100 Chain; 21 Teeth; 2 Row of Teeth; No 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; 3-1/8" Bore; 100 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material