National 510070 Wheel Bearing - Front or Rear

Overview of National 510070 Wheel Bearing

The National 510070 wheel bearing is engineered for reliable driveline performance in select Toyota, Pontiac, and Scion vehicles. Designed with a double row angular contact design, this wheel bearing supports smooth rotation and durability for models like the Toyota Corolla, Prius, and Pontiac Vibe.

• Double row angular contact design for enhanced load capacity
• Inner race bore diameter of 1.575 inches (40 mm)
• Outer race outside diameter of 2.913 inches (74 mm)
• Width of 1.654 inches (42 mm) ensuring precise fitment
• Compatible with multiple Toyota, Pontiac, and Scion models

Technical Specifications and Design Features

The National 510070 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 a radius of 0.138 inches (3.5 mm), while the outer race outside diameter is 2.913 inches (74 mm) with a radius of 0.059 inches (1.5 mm). Both inner and outer races have a width of 1.654 inches (42 mm), ensuring a balanced and secure 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 compatible with a range of vehicles, including:

• Toyota Corolla, Corolla iM, Matrix, Prius, MR2 Spyder, and tC
• Pontiac Vibe
• Scion tC and xB models

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

Common Issues Addressed by National 510070 Wheel Bearing

• Eliminates wheel noise caused by worn bearings
• Reduces vibration and uneven tire wear
• Restores smooth wheel rotation and handling
• Prevents premature hub assembly damage
• Improves overall driveline stability and safety

Installation Notes and Tips

Proper installation of the National 510070 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 is seated evenly and rotates smoothly before reassembling the wheel components. It is recommended to consult the vehicle’s service manual for torque specifications and installation procedures specific to the make and model.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet industry standards for durability and performance. The 510070 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.