National 592A Wheel Bearing Race - Rear Inner

National 592A Wheel Bearing Race Overview

The National 592A wheel bearing race is a precision-engineered taper bearing cup designed to meet the demanding requirements of driveline and axle assemblies. With exact dimensions including a 6-inch (152.4 mm) cup bore and a 1.1875-inch (30.163 mm) cup length, this component ensures proper fit and function in compatible vehicle wheel hubs.

• Taper bearing cup with a 6.0000 inch (152.4 mm) cup bore diameter
• Cup length of 1.1875 inches (30.163 mm) for accurate seating
• Cup radius of 0.1250 inches (3.175 mm) to maintain bearing alignment
• Part number 592A for precise identification and replacement
• Manufactured by National, a recognized brand in driveline components

Detailed Specifications and Design

The National 592A wheel bearing race is crafted to provide a reliable surface for the tapered roller bearing to operate smoothly within the wheel hub assembly. The 6-inch cup bore diameter and 1.1875-inch cup length are critical for ensuring compatibility with specific axle and hub configurations. The 0.1250-inch cup radius supports proper bearing seating and load distribution, which is essential for maintaining wheel stability and reducing wear over time.

Compatible Vehicles and Applications

This wheel bearing race is commonly used in driveline and axle assemblies of various trucks and heavy-duty vehicles. While specific make and model fitments should be verified, the National 592A is suitable for applications requiring a taper bearing cup with the listed dimensions. It is often sought after for replacement in vehicles where the original bearing race has worn or been damaged.

• Resolves wheel bearing noise caused by worn races
• Addresses excessive wheel play or looseness in the hub
• Prevents premature bearing failure due to improper seating
• Corrects vibration issues related to bearing misalignment
• Restores proper driveline performance and safety

Installation Notes and Tips

When installing the National 592A wheel bearing race, ensure the hub and axle surfaces are clean and free of debris. Use appropriate tools to press the race evenly into the hub bore to avoid damage. Verify the cup bore and length dimensions match the vehicle specifications before installation. Proper lubrication of the bearing and race interface is recommended to extend service life.

Quality Assurance and Warranty

National manufactures the 592A wheel bearing race to meet industry standards for durability and performance. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliability in automotive driveline applications.