Outfit your semi to be Ready for the Road Ahead™ with proper alignment and reduced component wear, with the National Bearings 1.18" Dual Hi Temp Viton Single Row Steel Pilot Bearing. Due to its specialized design that features a low-friction spinning method, this replacement bearing is able to effortlessly distribute the applied weight from the transmission. Constructed with a smooth metal assembly to reduce noise and excessive wear. FleetPride is your First Click in Heavy Duty®.