Conveying Chain Sprocket; 31.75" Bore; 770 | 1050 | 1055 | 1060 | 7703 | 7705 | 7706 | 7708 | 7743; 25.4" Pitch; 16 Teeth; 5.14" Outside Diameter; 5.126" Pitch Diameter; C-Hub Both Sides; Finished Bore; Round; Straight Running | Side Flexing | Back Flexing; Thermoplastic