National 02820 Differential Pinion Race - Front Outer, Rear Inner or Rear Outer

National 02820 Differential Pinion Race Overview

The National 02820 differential pinion race is engineered to provide reliable support for the pinion bearing in various driveline applications. Designed with precise dimensions, this taper bearing cup ensures proper fitment and durability for vehicles including Chevrolet Blazer, Ford F-150, and Jeep Cherokee.

• Compatible with multiple makes: Chevrolet, Dodge, Ford, GMC, Honda, Isuzu, Jeep, Lincoln
• Fits popular models such as Blazer, Bronco, F-150, Grand Cherokee, and Wrangler
• Cup bore diameter of 2.8750 inches (73.025 mm) for accurate bearing seating
• Cup length of 0.6875 inches (17.463 mm) to maintain proper bearing alignment
• Cup radius of 0.1250 inches (3.175 mm) designed for taper bearing applications

Technical Specifications and Features

The National 02820 differential pinion race features a taper bearing cup design with a cup bore measuring 2.8750 inches (73.025 mm). The cup length is 0.6875 inches (17.463 mm), providing the necessary depth for secure bearing placement. The cup radius of 0.1250 inches (3.175 mm) supports the taper bearing geometry, ensuring smooth rotation and load distribution. These precise measurements make it suitable for a range of driveline and axle assemblies in vehicles such as the Ford F-250 Super Duty, Chevrolet K1500 Suburban, and Jeep Wrangler TJ.

Applications and Problem Solving

• Replaces worn or damaged differential pinion races to restore proper bearing function
• Addresses issues with differential noise caused by bearing misalignment or wear
• Prevents premature bearing failure by maintaining correct bearing seating
• Supports driveline stability in off-road and heavy-duty vehicle use
• Compatible with differential rebuilds on Chevrolet Blazer, Ford F-150, and Jeep Cherokee models

Installation Notes and Tips

When installing the National 02820 differential pinion race, ensure the cup bore and length dimensions match the vehicle’s specifications. Proper seating of the taper bearing cup is critical to avoid bearing misalignment and premature wear. Use appropriate tools to press the race evenly into the differential housing. Verify fitment compatibility with your specific make and model, such as the Dodge Ram 1500 or GMC Jimmy, before installation.

Quality Assurance and Warranty

National manufactures the 02820 differential pinion race to meet OEM standards for durability and precision. This part undergoes strict quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, National products typically include coverage against manufacturing defects to provide confidence in long-term performance.