National 510094 Wheel Bearing - Front

National 510094 Wheel Bearing Overview

The National 510094 wheel bearing is engineered for reliable performance in select Toyota and Scion vehicles. Designed with a double row angular contact design, this wheel bearing supports smooth rotation and durability for models like the Toyota Prius AWD-e and Scion xD.

• Double row angular contact design for enhanced load capacity
• Precise bore diameter of 1.575 inches (40 mm)
• Outer race outside diameter of 2.953 inches (75 mm)
• Width of 1.535 inches (39 mm) for proper fitment
• Compatible with multiple Toyota and Scion models

Technical Specifications and Design Features

The National 510094 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 1.575 inches (40 mm) with an inner race radius of 0.138 inches (3.5 mm), ensuring precise fitment and smooth operation. The outer race has an outside diameter of 2.953 inches (75 mm) and a radius of 0.059 inches (1.5 mm), with a consistent width of 1.535 inches (39 mm) for both inner and outer races. This E-3 type bearing is part of the Fwdb series, designed to meet the specific requirements of the listed vehicle models.

Compatible Vehicles and Applications

This wheel bearing is compatible with a range of Toyota and Scion vehicles, including:

• Toyota Prius AWD-e, Prius C, Prius Prime, Prius V
• Toyota Yaris and Yaris iA
• Scion iQ and xD

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

Common Issues Addressed by National 510094 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 improper fit
• Maintains vehicle safety and stability

Installation Notes and Tips

When installing the National 510094 wheel bearing, ensure the bore and outer race dimensions match the vehicle specifications exactly. Proper cleaning of the hub and bearing housing is essential before installation. Use appropriate tools to press the bearing into place without damaging the races. Verify the bearing is seated fully and rotates smoothly before reassembling the wheel components.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet OEM standards for durability and performance. The 510094 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.