National 510005 Wheel Bearing - Rear Inner

National 510005 Wheel Bearing Overview

The National 510005 wheel bearing is engineered for reliable driveline performance in Mazda MPV and Toyota Previa vehicles. Featuring a double row angular contact design, this wheel bearing supports smooth rotation and enhanced load capacity for these specific models.

• Double row angular contact design for improved load handling
• Inner race bore diameter of 1.378 inches (35 mm)
• Outer race outside diameter of 3.150 inches (80 mm)
• Width of 1.850 inches (47 mm) for precise fitment
• Compatible with Mazda MPV and Toyota Previa models

Technical Specifications and Design Details

The National 510005 wheel bearing features a double row angular contact design, which provides enhanced radial and axial load support, essential for maintaining wheel stability and performance. The inner race bore measures 1.378 inches (35 mm) with a radius of 0.106 inches (2.7 mm), while the outer race outside diameter is 3.150 inches (80 mm) with a radius of 0.047 inches (1.2 mm). Both inner and outer races have a width of 1.850 inches (47 mm), ensuring a secure and precise fit within the hub assembly. This E-3 type bearing is part of the Fwdb series and is identified as Gen1, indicating its generation and design iteration.

Compatible Vehicles and Applications

This wheel bearing is specifically designed for use in Mazda MPV and Toyota Previa models, providing a direct replacement for worn or damaged bearings in these vehicles. The National 510005 wheel bearing supports driveline integrity and wheel alignment, contributing to vehicle safety and handling.

• Eliminates wheel noise caused by worn bearings
• Resolves wheel vibration and uneven tire wear
• Prevents wheel hub looseness and instability
• Restores smooth wheel rotation and driveline performance

Installation Notes and Tips

Proper installation of the National 510005 wheel bearing requires careful cleaning of the hub assembly and inspection for any damage. Use appropriate tools to press the bearing into place without applying excessive force that could damage the races. Verify the bearing orientation matches the double row angular contact design specifications. After installation, check for smooth rotation and absence of play before reassembling the wheel components.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet industry standards for durability and performance. The 510005 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability for Mazda MPV and Toyota Previa applications.