National 382A Wheel Bearing Race

National 382A Wheel Bearing Race Overview

The National 382A wheel bearing race is a precision-engineered taper bearing cup designed for driveline and axle applications. This component is compatible with a wide range of vehicles including Cadillac, Chevrolet, Dodge, Ford, GMC, Land Rover, Mercedes-Benz, and Ram models, ensuring reliable fitment and performance.

• Part Number: 382A
• Category: Wheel Bearing Race (Taper Bearing Cup)
• Cup Bore Diameter: 3.8125 inches (96.838 mm)
• Cup Length: 0.625 inches (15.875 mm)
• Cup Radius: 0.031 inches (0.787 mm)
• Compatible with multiple makes and models including Chevrolet Silverado 2500, Ford F-250 Super Duty, Mercedes-Benz 300SE, and Land Rover Range Rover Sport

Detailed Product Description

The National 382A wheel bearing race is manufactured to precise specifications to ensure proper seating and durability in the wheel hub assembly. The taper bearing cup design supports axial and radial loads, contributing to smooth wheel rotation and extended bearing life. With a cup bore of 3.8125 inches and a length of 0.625 inches, this race fits securely within the hub, providing a stable surface for the bearing rollers.

This part is engineered for use in heavy-duty and passenger vehicles, including models such as the Chevrolet Avalanche 2500, Ford F-350 Super Duty, Mercedes-Benz 500SEL, and Land Rover LR3. The accurate dimensions and quality materials help maintain driveline integrity and reduce wear under demanding driving conditions.

Common Applications and Issues Addressed

• Replacement for worn or damaged wheel bearing races
• Eliminates wheel hub noise caused by bearing play
• Prevents premature bearing failure due to improper fit
• Restores proper wheel alignment and rotation
• Supports heavy load capacity in trucks and SUVs

Installation Notes and Tips

• Ensure the hub and bearing surfaces are clean and free of debris before installation
• Use appropriate tools to press the bearing race evenly into the hub bore
• Verify the cup bore diameter (3.8125 inches) matches the hub specifications
• Check for proper seating depth of 0.625 inches to avoid bearing misalignment
• Consult vehicle-specific service manuals for torque specifications and installation procedures

Quality Assurance and Warranty

National wheel bearing races are manufactured to meet or exceed OEM standards for durability and performance. The 382A 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 product reliability.