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; 2-3/16" Bore; 81X Chain; 20 Teeth; 1 Row of Teeth; No Hardened Teeth; 17.603" Outside Diameter; 16.678" Pitch Diameter; C-Hub Both Sides; 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; 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; 3-7/16" Bore; 81X Chain; 20 Teeth; 1 Row of Teeth; No Hardened Teeth; 17.603" Outside Diameter; 16.678" Pitch Diameter; C-Hub Both Sides; 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; 20 Teeth; 1 Row of Teeth; No Hardened Teeth; 17.603" Outside Diameter; 16.678" Pitch Diameter; C-Hub Both Sides; Finished Bore Mount; No Bushing; 2-39/64" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material