Product Details: Prepare your semi to be Ready for the Road Ahead™, with the Stemco 3.54" A-Line Stamped Steel Matched Bearing Set that offers proper alignment and reduced component wear. By utilizing a specialized design that features a low-friction spinning method, this replacement bearing is able to distribute the applied weight from various components. Built with a smooth metal assembly to reduce noise and excessive wear. FleetPride is your First Click in Heavy Duty®.