National B-5020 Drive Axle Shaft Bearing

National B-5020 Drive Axle Shaft Bearing

National B-5020 is a needle bearing built to OE specifications for driveline and axle service. With a 2.0000-inch bore, 2.3750-inch outside diameter, and 0.7860-inch width, it is sized for precise axle and transfer-case related applications across a wide range of trucks and SUVs.

Use this bearing when you need accurate shaft support in rear axle and front right driveline locations on vehicles such as Jeep Wrangler, Dodge Ram 1500, and Chevrolet Silverado 1500 applications. The National B-5020 part number is also referenced in multiple interchange listings for service replacement matching.

Key Features

• Needle bearing construction for driveline and axle service
• Manufactured with premium materials and engineered to OE specifications
• 2.0000-inch bore for proper shaft fitment
• 2.3750-inch outside diameter for housing fitment
• 0.7860-inch width for compact installation dimensions
• Type B bearing design
• Fits a broad range of rear, front right, front, and front left applications

Detailed Description

The National B-5020 drive axle shaft bearing is a precision needle bearing designed for service in driveline and axle assemblies where correct shaft support matters. Key dimensions include a 50.8000 mm bore, 60.3250 mm outside diameter, and 19.9640 mm width, with shaft diameter range from 1.9681 to 1.9700 inches and housing diameter range from 2.2822 to 2.2829 inches. Those measurements help ensure the bearing matches the intended OE-style fit.

This bearing is used across many 4WD and AWD platforms, including Jeep Wrangler rear applications, Dodge Dakota rear applications, and Chevrolet Silverado 1500 rear applications. The National B-5020 part number is also listed alongside service references such as F5020 and HK5020 for the same application family.

What It Helps Fix

• Axle shaft play caused by worn bearing surfaces
• Noise from a failing drive axle shaft bearing
• Rough driveline operation in rear axle assemblies
• Improper shaft support in transfer-case-related service locations
• Fitment issues when replacing an OE-style needle bearing

Installation Notes and Tips

Verify bore, shaft diameter, housing diameter, and width before installation. Confirm the vehicle’s axle, transfer case, and position details, since this bearing is listed for multiple rear and front right applications. For best results, inspect the shaft and housing for wear or scoring before pressing in the new bearing.

Fits 2003-2019 Jeep Wrangler, rear; 2011 Ram 1500, front right; 2004-2010 Dodge Ram 1500, front right; 1999-2007 Chevrolet Silverado 1500, rear; and 1987-2000 Jeep Cherokee, rear, among many other listed applications.

Quality Assurance

National manufactures this needle bearing with premium materials and OE-spec engineering for consistent service fit and function. The B-5020 is supported by extensive interchange coverage across National, Mopar, and Quality-Built references for the same application family.