National 510108 Wheel Bearing - Front

Overview of National 510108 Wheel Bearing

The National 510108 wheel bearing is engineered for reliable performance in various Mercedes-Benz models, including the C300, E350, and CLS550. Designed with precision, this double row angular contact bearing ensures smooth wheel rotation and durability under demanding driving conditions.

• Double row angular contact design for enhanced load capacity
• Bore diameter of 2.126 inches (54 mm) for precise fitment
• Outer race width of 1.969 inches (50 mm) for stability
• Outside diameter of 3.622 inches (92 mm) compatible with specified Mercedes-Benz models
• Part type: E-3 series, suitable for driveline and axle applications

Technical Specifications and Design Features

The National 510108 wheel bearing features a double row angular contact design, which provides superior axial and radial load handling compared to single row bearings. With a bore size of 54 mm (2.126 inches) and an outer race width of 50 mm (1.969 inches), this bearing is engineered to fit securely within the wheel hub assembly. The outside diameter measures 92 mm (3.622 inches), ensuring compatibility with a range of Mercedes-Benz vehicles. This bearing is part of the Fwdb series and classified as type E-3, indicating its suitability for demanding driveline and axle applications.

Compatible Mercedes-Benz Models

This wheel bearing is compatible with multiple Mercedes-Benz models, including but not limited to:

• Mercedes-Benz C300 and C350
• Mercedes-Benz CL550 and CLS63 AMG (including CLS63 AMG S)
• Mercedes-Benz CLS400 and CLS550
• Mercedes-Benz E63 AMG, E250, E350, E400, and E550
• Mercedes-Benz GLK250 and GLK350
• Mercedes-Benz S350 and S550

Common Applications and Problem Resolution

The National 510108 wheel bearing is designed to address several common wheel and driveline issues, including:

• Eliminating wheel hub noise caused by worn bearings
• Reducing vibration and improving ride quality
• Preventing premature wear of axle components
• Maintaining proper wheel alignment and rotation
• Enhancing overall vehicle safety and handling

Installation Notes and Tips

Proper installation of the National 510108 wheel bearing is critical for optimal performance. It is recommended to use appropriate tools to press the bearing into the hub assembly without causing damage. Ensure the bearing is clean and lubricated as specified by the vehicle manufacturer. Verify fitment compatibility with your Mercedes-Benz model before installation. After installation, check for smooth wheel rotation and absence of play.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet strict quality standards, ensuring durability and reliable operation. The 510108 bearing undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product longevity and performance.