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; 2-3/16" Bore; 78 Chain; 9 Teeth; 1 Row of Teeth; No Hardened Teeth; 7.63" 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; 17MM Bore; 50 Chain; 9 Teeth; 1 Row of Teeth; Hardened Teeth; 53.162MM Outside Diameter; 46.42MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 15.875MM Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 05B-1 Chain; 9 Teeth; 1 Row of Teeth; No Hardened Teeth; 26.6MM Outside Diameter; 23.39MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 8MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 081B-1 Chain; 9 Teeth; 1 Row of Teeth; No Hardened Teeth; 43.4MM Outside Diameter; 37.13MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material