Update your semi with proper alignment and reduced component wear, with the Timken 3.5" Stamped Steel Tapered Wheel Bearing for ProPar Trailer that ensures you're Ready for the Road Ahead™. This replacement bearing distributes the applied weight from various components, thanks to specialized design that features a low-friction spinning method. Engineered with a smooth metal assembly to reduce noise and excessive wear. FleetPride is your First Click in Heavy Duty®.