National 510100 Wheel Bearing - Front

National 510100 Wheel Bearing Overview

The National 510100 wheel bearing is engineered for reliable driveline performance in select Lexus and Toyota vehicles. Designed with a double row angular contact design, this wheel bearing ensures durability and precise fitment for models like the Lexus RX350, RX450h, Highlander, and Toyota Sienna.

• Double row angular contact design for enhanced load capacity
• Inner race bore diameter of 1.772 inches (45 mm)
• Outer race outside diameter of 3.386 inches (86 mm)
• Width of 1.772 inches (45 mm) for consistent fit
• Compatible with Lexus and Toyota driveline systems

Technical Specifications and Design Features

The National 510100 wheel bearing features a double row angular contact design, which provides improved axial and radial load handling compared to single row bearings. The inner race bore measures 1.772 inches (45 mm), matching the outer race width and inner race width, ensuring uniform load distribution and stability. The outer race outside diameter is 3.386 inches (86 mm), making it suitable for specific driveline applications in Lexus and Toyota vehicles. This bearing is classified as type E-3 and belongs to the Fwdb series, designed to meet the precise requirements of the specified models.

Compatible Vehicles and Applications

This wheel bearing is compatible with the following vehicles:

• Lexus RX350
• Lexus RX450h
• Lexus Highlander
• Toyota Sienna

It is intended for use in driveline and axle assemblies where reliable wheel bearing performance is critical for vehicle safety and handling.

Common Issues Addressed by National 510100 Wheel Bearing

• Eliminates wheel noise caused by worn or damaged bearings
• Reduces vibration and improves steering stability
• Prevents premature wear of axle components
• Maintains proper wheel alignment and rotation
• Enhances overall driveline durability

Installation Notes and Tips

Proper installation of the National 510100 wheel bearing is essential for optimal performance. Ensure the bearing is pressed in evenly without applying excessive force to avoid damage. Clean the hub and axle surfaces thoroughly before installation. Use appropriate tools to maintain the integrity of the double row angular contact design. Verify fitment compatibility with the Lexus RX350, RX450h, Highlander, or Toyota Sienna prior to installation.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet stringent quality standards, ensuring reliable performance and longevity. The 510100 part number is backed by National's quality assurance processes. Please refer to the manufacturer's warranty documentation for specific coverage details.