National Bearings

This National 399A Bearings replaces OEM parts and is perfect for replacement or a performance upgrade.

National 399A Bearing IMPROVE FUEL ECONOMY: The Bearings showcases lighter and thinner bearings for better fuel economy and increased reliability. Triple-checked for quality, the inner diameter, outer diameter, and thickness of the Bearings are designed to fit specific makes and models. The precision-matched cup and cone install easily and maximize bearing service life while minimizing vibration and heat generation ENHANCE PERFORMANCE: Controlled setup torque helps you achieve more accurate settings, resulting in the highest performance possible. Made with super-clean-and-tough materials, low cross sections, and precise contact angles, the Bearings accommodates high speeds and axial and radial loads when mounted with proper clearance RELY ON QUALITY SEALS AND BEARINGS: National produces a product line of seals and bearings that aids technicians in their daily installations to help them get the job done quickly. They provide premium quality, no-compromise solutions for virtually every wheel-end repair TRUST IN NATIONAL: The National brand has been offering premium wheel-end solutions for over 75 years. The National brand of oil seals and bearings has built a reputation as one of the most respected names in the industry, producing high end, premium products that meet or exceed the original equipment specifications across the full spectrum of wheel bearings and oil seal needs