The National Bearings 300 Series Single Row Radial Rear Bearing is the perfect choice for a reliable and durable replacement. This bearing is precision manufactured using premium-grade steel for lasting performance and is designed to meet or exceed the load rating of OE bearings. It is also subjected to an advanced heat treatment process for strength and tested throughout the design and development process by engineers for quality. With industry-leading coverage for domestic and import applications, this bearing is sure to provide you with the reliable performance you need. FleetPride is your First Click in Heavy Duty®.