National B-228 Drive Axle Shaft Pilot Bearing - Front, Front Left or Rear

Overview of National B-228 Drive Axle Shaft Pilot Bearing

The National B-228 drive axle shaft pilot bearing is engineered for precise fitment and reliable performance in various vehicle models including Chevrolet, Dodge, Jeep, and Nissan. Designed as a needle bearing, it supports smooth rotation and alignment of the drive axle shaft, ensuring optimal driveline function.

• Needle bearing type for reduced friction and wear
• Bore diameter of 1.3750 inches (34.925 mm) for accurate shaft fit
• Outside diameter approximately 1.6250 inches (41.262 mm) for secure housing placement
• Width of 0.5000 inches (12.7 mm) for compact and efficient design
• Compatible with multiple makes and models including Ram 1500, Jeep Wrangler, and Nissan Titan

Technical Specifications and Compatibility

The B-228 pilot bearing features a bore diameter max of 1.3750 inches (34.925 mm) and a shaft diameter range between 1.3745 inches (34.9123 mm) and 1.3750 inches (34.925 mm), ensuring a tight and precise fit on the drive axle shaft. The housing diameter ranges from 1.6250 inches (41.275 mm) to 1.6260 inches (41.3004 mm), with an outside diameter of 1.6250 inches (41.262 mm), providing a stable and secure installation within the axle assembly. This bearing is designed to accommodate the specific tolerances required for driveline components in vehicles such as the Chevrolet S10 Blazer, Dodge Durango, Jeep Liberty, and Nissan Armada.

Applications and Problem Solving

This drive axle shaft pilot bearing is used to support the drive axle shaft within the transmission or differential housing, reducing friction and wear between rotating components. It is compatible with a range of vehicles including Chevrolet, Chrysler, Dodge, GMC, INFINITI, Jeep, Land Rover, Mitsubishi, Nissan, and Ram models.

• Eliminates excessive play or wobble in the drive axle shaft
• Reduces noise and vibration caused by worn or damaged bearings
• Prevents premature wear of axle shaft and housing components
• Supports smooth drivetrain operation under load
• Helps maintain proper alignment of driveline parts

Installation Notes and Tips

When installing the National B-228 pilot bearing, ensure the housing bore is clean and free of debris. Use appropriate tools to press the bearing evenly into the housing without damaging the needle rollers. Verify the shaft diameter matches the bearing bore for a snug fit, avoiding excessive clearance or binding. Lubricate the bearing as recommended by the vehicle manufacturer to promote longevity and smooth operation.

Quality Assurance and Warranty

National bearings are manufactured to meet industry standards for durability and precision. The B-228 pilot bearing undergoes strict quality control to ensure consistent dimensions and performance. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.