Hubs are the essential component to providing secure shaft connection, so finding the right Doughnut coupling hub is a critical task for long-term equipment productivity. That's why Applied guarantees our products at the highest quality, from world-class brands like Lovejoy. We offer hubs to fit a range of coupling sizes, with reborable, spline and rough stock bore types, featuring options in cylinder or flange hub types, ensuring your Doughnut coupling hub fits exactly to your needs.