Axle Bearing 9in Ford 1.378 x 2.834

The Axle Bearing 9in Ford 1.378 x 2.834 from RATECH is an essential OEM-replacement bearing engineered for 9-inch Ford rear differentials, the most popular independent rear axle platform in custom and performance builds. Whether you're rebuilding a classic muscle car, restoring a vintage hot rod, or refreshing worn components in a daily driver, this bearing delivers the precision fit and durability required for reliable axle assembly operation. Proper bearing condition is critical to eliminating play, reducing noise, and ensuring safe power transmission under acceleration and braking loads.

This RATECH axle bearing features a 1.378-inch inner diameter and 2.834-inch outer diameter, matching OEM specifications for direct installation into Ford 9-inch carrier housings. Precision steel construction and controlled tolerances ensure smooth rotation with minimal radial and axial runout, reducing vibration and extending differential life. The bearing's geometry supports both radial and thrust loads typical of rear axle duty, making it suitable for stock applications as well as moderately upgraded power levels. At just 0.99 pounds, the compact form factor integrates seamlessly during carrier assembly or full differential rebuild.

Mechanics and restorers rebuilding Ford 9-inch differentials will find this bearing indispensable for eliminating play between the carrier and housing bore. Installation requires standard differential service tools and should be performed during a complete carrier rebuild, when seals and gear sets are refreshed. Pair this bearing with quality gear oil, upgraded seals, and precision shims to achieve factory-tight assembly geometry and long-term reliability in street, strip, or trail applications.