National 88128-RA Wheel Bearing - Rear or Rear Inner

Overview of National 88128-RA Wheel Bearing

The National 88128-RA wheel bearing is engineered for reliable driveline performance in select Buick, Ford, Lincoln, and Mercury vehicles. Designed as a single row angular contact bearing, it offers precise fitment and durability for models like the Ford F-100 and Lincoln Grand Marquis.

• Single row angular contact design for optimized load handling
• 1.532 inch (38.9 mm) bore diameter ensuring exact fit
• Outer diameter of 3.150 inches (80 mm) for compatibility with specified wheel hubs
• Inner race width of 1.083 inches (27.51 mm) for stable bearing placement
• Compatible with Buick LeSabre, Ford Thunderbird, Lincoln Versailles, and more

Technical Specifications and Design Details

The National 88128-RA wheel bearing features a single row angular contact design, which supports both radial and axial loads, making it suitable for the dynamic demands of driveline applications. The inner race bore measures 1.532 inches (38.9 mm) with a radius of 0.090 inches (2.29 mm), while the outer race outside diameter is 3.150 inches (80 mm) with a radius of 0.040 inches (1.02 mm). The bearing width is 1.083 inches (27.51 mm), providing a compact yet robust profile. This precise engineering ensures proper alignment and smooth rotation within the wheel assembly.

Compatible Vehicles and Applications

This wheel bearing is compatible with a range of vehicles including Buick Colony Park and LeSabre, Ford F-100 and Thunderbird, Lincoln Grand Marquis and Versailles, Mercury Marquis and Monarch, and Riviera models. The part number 88128-RA is specifically designed to meet the OEM specifications for these vehicles, ensuring reliable performance and fitment.

• Eliminates wheel vibration and noise caused by worn bearings
• Prevents premature wear of wheel hubs and related components
• Restores smooth wheel rotation and handling stability
• Addresses issues related to wheel play and uneven tire wear

Installation Notes and Tips

When installing the National 88128-RA wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Proper lubrication and torque specifications should be followed according to the vehicle manufacturer’s guidelines. It is recommended to inspect related components such as seals and axle shafts during installation to maintain overall driveline integrity.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet strict quality standards, providing consistent performance and durability. The 88128-RA part is backed by National’s quality assurance processes, ensuring it meets or exceeds OEM requirements. Please refer to National’s warranty policy for specific coverage details.