Conveying Chain Sprocket; 40MM Bore; 82.55MM Pitch; 1400 Modular - Flat Top Size; 9 Teeth; C-Hub Both Sides Hub Type; Finished Bore; Round; 257.048MM Outside Diameter; 242MM Pitch Diameter; Smooth Running Modular - Flat Top Type; Polyamide Material; No Grooved; No Split; No Keyway