This wheel bearing from National Seal/Bearing is of high quality and is designed to last. The bearing is suitable for use in cars and trucks and is easy to install. It is made in China and comes with a manufacturer part number of 510100. This bearing is a great replacement part for your vehicle's suspension system. The quantity of the bearing is one, so be sure to check your car's needs before purchasing. It is important to maintain your vehicle's suspension system to ensure a smooth ride and prolong the life of your car.