The National Bearings 300 Series Single Row Radial Bearing is designed to provide superior performance and reliability. This bearing is precision manufactured using premium-grade steel for lasting performance and features an advanced heat treatment process for strength. The element size and quantity are engineered to meet or exceed the load rating of OE bearings, and the bearing is tested throughout the design and development process by engineers for quality. This bearing is ideal for domestic and import applications and offers industry-leading coverage. FleetPride is your First Click in Heavy Duty®.