Conveying Chain Sprocket; 2-1/2" Bore; 5995 | 5996 | 5997 | 5998 | 6995 | 6999; 2-1/4" Pitch; 9 Teeth; 6.46" Outside Diameter; 6.579" Pitch Diameter; C-Hub Both Sides; Finished Bore; Square; Straight Running | Back Flexing; Thermoplastic