The Carry-On Trailer Hub Assembly is the right part when you want to get back to work quickly. This hub assembly includes a lug nut cotter pin for castle nut and a small dust cap. The 4-bolt hub assembly has a maximum weight capacity of 1 250 lb. The outer bearing size of the hub assembly is 1-1/16 in. Features 4-Bolt Wheel Hub Kit High quality construction and durability Variety of styles for every type of accessorySpecifications Capacity: 1250 lbs Weight: 6.85 lbs - SKU: MYRD2111784