Conveying Chain Sprocket; 1" Bore; SNB Modular - Flat Top Size; 1" Pitch; 10 Teeth; A-No Hub Hub Type; Finished Bore; Round; 3.39" Outside Diameter; 3.24" Pitch Diameter; Straight Running | Back Flexing Modular - Flat Top Type; Polyamide Material; No Grooved; No Split; No Keyway