The RHI&A PM31040 is a high-quality spur gear with an integrated hub, designed for reliable power transmission. It features 40 teeth and a module of 3, manufactured from durable C45 steel. Key dimensions include an outside diameter of 126mm, a pitch diameter of 120mm, and a 25mm bore with a keyway. The gear has an overall length of 40mm, a face width of 30mm, and a hub diameter of 80mm, weighing 1.8 kg. This robust component is suitable for various industrial machinery and mechanical drive systems.