National 32307 Wheel Bearing and Race Set

National 32307 Wheel Bearing and Race Set Overview

The National 32307 wheel bearing and race set is designed for reliable driveline performance in a variety of vehicles including Acura, Honda, Toyota, Nissan, and more. This taper bearing assembly meets precise dimensional specifications to ensure proper fit and function in compatible models such as the Toyota 4Runner, Nissan Pathfinder, and Honda S2000.

• Bore diameter: 1.3780 inches (35.00 mm)
• Cone length: 1.2205 inches (31.00 mm)
• Cup length: 0.9843 inches (25.00 mm)
• Outside diameter: 3.1496 inches (80.00 mm)
• Width: 1.2894 inches (32.75 mm)
• Design: Iso metric taper bearing assembly
• Part type: TS (tapered roller bearing set)

Technical Details and Specifications

The National 32307 wheel bearing and race set features an iso metric design with a cone radius and cup radius of 0.0620 inches (1.575 mm). The standout dimension is 0.3051 inches (7.75 mm), providing the necessary clearance for proper installation and operation. This set is part of the 32300 series and is engineered to meet OEM standards for durability and performance. The precise bore and outside diameter measurements ensure compatibility with a wide range of driveline applications, particularly in vehicles like the Subaru WRX, Lexus GX470, and Mercedes-Benz G55 AMG.

Compatible Vehicles and Applications

This wheel bearing and race set is compatible with multiple makes and models, including but not limited to:

• Acura I-Mark and Integra
• Chevrolet Pickup and S10
• Honda S2000 and Civic
• INFINITI QX4 and G35
• Isuzu Rodeo and Trooper
• Kia Sorento and Amigo
• Lexus GX470 and RX-350
• Mazda MX-5 Miata and 929
• Mercedes-Benz G55 AMG and G63 AMG
• Nissan 240SX, 300ZX, and Pathfinder
• Saab 9-2X
• Subaru WRX and Impreza
• Toyota 4Runner, Tacoma, and Supra

Common Issues Addressed by National 32307

• Wheel bearing noise or grinding during vehicle operation
• Excessive wheel play or looseness affecting handling
• Uneven tire wear caused by faulty bearings
• Vibration or wobbling at higher speeds
• Preventative maintenance for driveline reliability

Installation Notes and Tips

Proper installation of the National 32307 wheel bearing and race set requires careful attention to torque specifications and bearing preload. It is recommended to clean the spindle and hub assembly thoroughly before installation. Use appropriate tools to press the bearing and race into place without damaging the components. Verify fitment compatibility with your specific vehicle model, such as the Nissan Pathfinder or Toyota Tacoma, to ensure correct installation.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet stringent quality standards, ensuring durability and consistent performance. The 32307 bearing and race set undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.