National 511040 Wheel Bearing - Rear

National 511040 Rear Wheel Bearing

National 511040 is a rear wheel bearing built for OE-style replacement on select Chevrolet and Pontiac performance sedans. It uses a double row angular contact design to support smooth wheel rotation and stable load handling in rear hub applications.

Key Features

• Double row angular contact wheel bearing design
• 43.000 mm bore and 82.000 mm outside diameter
• 47.000 mm overall width for the specified rear application
• Premium-quality construction manufactured to meet or exceed OE standards
• National RWDB series, Type E-3
• Cross-reference: this part cross-references Monroe Shocks & Struts (e.g., 92171057) for the same application

Detailed Description

This National wheel bearing, part number 511040, is engineered for rear axle service where precise fit and consistent bearing performance matter. The double row angular contact layout is suited to handling combined radial and axial loads, while the 43.000 mm bore, 82.000 mm outside diameter, and 47.000 mm width help ensure correct dimensional match for the listed vehicles. It is a direct-fit style replacement for rear wheel bearing service on 2011-2017 Chevrolet Caprice, 2014-2017 Chevrolet SS, and 2008-2009 Pontiac G8. For buyers searching for a rear wheel bearing for Chevrolet Caprice, Chevrolet SS, or Pontiac G8, National 511040 provides a specification-driven option backed by National’s OE-quality manufacturing approach.

What It Helps Address

• Rear wheel noise such as humming, growling, or rumbling
• Excessive wheel play or looseness at the hub
• Rough wheel rotation caused by bearing wear
• Vibration from a deteriorated rear wheel bearing assembly
• Uneven bearing performance in rear driveline service

Installation Notes and Tips

• Verify rear fitment by year, make, and model before installation.
• Inspect the hub, axle, and surrounding components for wear or damage during service.
• Clean mating surfaces thoroughly so the bearing seats correctly.
• Use proper bearing service procedures and torque specifications for the vehicle.
• Confirm the replacement matches the original bore, outside diameter, and width dimensions.

Quality Assurance

National manufactures this bearing to exacting standards with the goal of meeting or exceeding OE quality and supporting extended bearing life. Part number 511040 is built for dependable rear wheel bearing service in compatible Chevrolet Caprice, Chevrolet SS, and Pontiac G8 applications.