National 510102 Wheel Bearing - Front

Overview of National 510102 Wheel Bearing for Mazda Vehicles

The National 510102 wheel bearing is engineered for reliable driveline performance in select Mazda models. Designed as a double row angular contact bearing, it provides durable support for wheel assemblies on Mazda 3, Mazda 5, and Mazda 6 vehicles.

• Double row angular contact design for enhanced load capacity
• Precise bore diameter of 1.575 inches (40 mm)
• Outer race diameter of 3.150 inches (80 mm) with 1.772 inch (45 mm) width
• Inner race width of 1.772 inches (45 mm) for balanced fitment
• Compatible with Mazda 3, 5, and 6 models

Technical Specifications and Design Features

The National 510102 wheel bearing features a double row angular contact design, which allows it to handle both radial and axial loads effectively. With an inner race bore of 1.575 inches (40 mm) and an outer race diameter of 3.150 inches (80 mm), this bearing maintains precise alignment and smooth rotation. The consistent width of 1.772 inches (45 mm) for both inner and outer races ensures a stable fit within the wheel hub assembly. Classified under the Fwdb series and E-3 type, this bearing meets specific engineering standards for Mazda driveline components.

Compatible Mazda Models and Applications

This wheel bearing is compatible with the following Mazda vehicles:

• Mazda 3
• Mazda 5
• Mazda 6

It is designed to replace worn or damaged wheel bearings in these models, ensuring proper wheel rotation and vehicle stability.

Common Issues Addressed by National 510102 Wheel Bearing

• Eliminates wheel noise caused by worn bearings
• Reduces vibration and uneven tire wear
• Restores smooth wheel rotation and handling
• Prevents premature bearing failure due to contamination or wear
• Improves overall driveline reliability in Mazda 3, 5, and 6

Installation Notes and Tips

Proper installation of the National 510102 wheel bearing is critical for optimal performance. It is recommended to use appropriate tools to press the bearing into the hub assembly without causing damage. Ensure the bearing is clean and lubricated as specified by Mazda service guidelines. Verify correct alignment and torque specifications during installation to avoid premature wear.

Quality Assurance and Warranty Information

National wheel bearings are manufactured to meet industry standards for durability and performance. The 510102 part number undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability.