Roller Chain Sprocket; 3-15/16" Bore; 81X Chain; 20 Teeth; 1 Row of Teeth; No Hardened Teeth; 17.603" Outside Diameter; 16.678" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 2-15/16" Bore; 81X Chain; 9 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.298" Outside Diameter; 7.628" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-15/16" Bore; 81X Chain; 14 Teeth; 1 Row of Teeth; Hardened Teeth; 12.561" Outside Diameter; 11.725" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 2-3/16" Bore; 81X Chain; 12 Teeth; 1 Row of Teeth; No Hardened Teeth; 10.867" Outside Diameter; 10.08" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 81X Chain; 16 Teeth; 1 Row of Teeth; Hardened Teeth; 14.253" Outside Diameter; 13.371" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material