The Falk 1090T31/35 Grid Coupling Shaft Hub RSB 0258641 is a high-quality steel coupling designed for industrial automation and motion control systems. This hub coupling has a 4″ bore size and can withstand up to 40 lbs of force. With its reliable brand and specific model number, this coupling is an essential component for ensuring smooth and efficient power transmission in machinery and equipment. Whether used in manufacturing, robotics, or other heavy-duty applications, the Falk 1090T31/35 Grid Coupling Shaft Hub RSB 0258641 provides a durable and stable connection for reliable performance.