Product Details: Update your semi to be Ready for the Road Ahead™ with improved suspension, with the Atro Series 1810 Carrier Bearing Assembly. This replacement assembly absorbs the shocks and vibrations of a vehicle's mechanical system, reducing overall wear while improving ride quality. Crafted with 10 gauge steel and corrosion-resistant polyurethane for long-term durability in even the roughest of climates. FleetPride is your First Click in Heavy Duty®.