The Webb 3/4"-16 Serrated Stud Steel/Aluminum Wheel Hub is designed to provide a secure and reliable connection between your wheel and hub. This wheel hub is constructed from high-strength steel and aluminum for maximum durability and strength. It features a precise contact angle that results in a very compact unit that can accommodate both axial and radial loads. The pre-set clearance or preload provides the units with the required stiffness to accommodate tilting forces under specified loading conditions. This wheel hub is maintenance-free and is greased for life, ensuring a long-lasting and reliable connection. FleetPride is your First Click in Heavy Duty®.