This brake hub is designed for 3,500-lb. trailer axles, has a 5 on 5" bolt pattern, and is made from durable, solid iron. Since 1956, Lippert has been the go-to name in axles and chassis. Producing over 5,000 axles daily, we've solidified our spot as the industry leader. Our genuine replacement parts set the standard for performance and durability, ensuring your trailer pulls smoothly from bearings to brakes. Our replacement parts aren't just genuine — they're universally compatible. Whether you're working with Lippert or competitor axles, our parts seamlessly integrate, streamlining your purchasing process and providing peace of mind as you hit the road. Choosing Lippert means choosing a partner dedicated to your satisfaction. We prioritize speed and efficiency, ensuring swift delivery to minimize downtime. With Lippert, you're getting replacement parts for a smoother, safer journey.