National R-1502-EL Wheel Bearing Race - Rear Outer

Overview of National R-1502-EL Wheel Bearing Race

The National R-1502-EL wheel bearing race is engineered for reliable driveline performance in select Buick models. Designed as a cylindrical outer race, this component ensures proper fit and function for wheel bearings in vehicles like the Buick Century, Roadmaster, and Skylark.

• Outside diameter: 2.7818 inches (70.658 mm)
• Width: 1.34 inches (34.036 mm)
• Part type: Cylindrical outer race
• Compatible with Buick Century, Roadmaster, and Skylark
• Part number: R-1502-EL

Detailed Product Description

The National R-1502-EL wheel bearing race features a precise outside diameter of 2.7818 inches (70.658 mm) and a width of 1.34 inches (34.036 mm), making it suitable for specific Buick driveline applications. This cylindrical outer race is a critical component that supports the wheel bearing assembly, providing a smooth surface for bearing rollers to operate efficiently. Its dimensions are designed to match OEM specifications, ensuring proper alignment and durability within the wheel hub assembly of Buick Century, Roadmaster, and Skylark models.

Applications and Problem Solving

This wheel bearing race is used in the wheel hub assembly to maintain bearing position and reduce friction. It addresses several common issues, including:

• Excessive wheel bearing play or looseness
• Noise or roughness from worn bearing surfaces
• Premature bearing wear due to improper race fit
• Vibration or wobbling in the wheel assembly
• Corrosion or damage to the original bearing race

Installation Notes and Tips

• Ensure the hub and bearing surfaces are clean before installation
• Use proper tools to press the race evenly into the hub to avoid damage
• Verify the race dimensions match the OEM specifications for your Buick model
• Inspect the wheel bearing for wear and replace if necessary during installation
• Follow vehicle manufacturer torque specifications when reassembling

Quality Assurance and Warranty

National wheel bearing races are manufactured to meet industry standards for durability and precision. The R-1502-EL part number undergoes strict quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability in Buick Century, Roadmaster, and Skylark vehicles.