National 510097 Wheel Bearing - Front

Overview of National 510097 Wheel Bearing for Mercedes-Benz

The National 510097 wheel bearing is engineered for reliable driveline performance in select Mercedes-Benz models. Designed with a double row angular contact configuration, this wheel bearing supports smooth rotation and durability for vehicles such as the GL320, GL350, GL450, GL550, ML63 AMG, ML450, and R63 AMG.

• Double row angular contact design for enhanced load capacity
• Precision bore diameter of 2.126 inches (54 mm)
• Outer race diameter of 3.858 inches (98 mm) with 1.969 inches (50 mm) width
• Inner race width of 1.969 inches (50 mm) for balanced fitment
• Compatible with multiple Mercedes-Benz GL and ML series models

Technical Specifications and Design Features

The National 510097 wheel bearing features a double row angular contact design, which provides improved axial and radial load handling compared to single row bearings. The bore size measures 2.126 inches (54 mm), matching the inner race bore to ensure a precise fit. Both the inner and outer races have a width of 1.969 inches (50 mm), contributing to the bearing's stability and longevity. The outer race outside diameter is 3.858 inches (98 mm), designed to fit securely within the hub assembly. This E-3 type bearing is part of the Fwdb series and is identified as Gen1, indicating its generation and design iteration.

Compatible Mercedes-Benz Models

This wheel bearing is compatible with a range of Mercedes-Benz vehicles, including the GL320, GL350, GL450, GL550, ML63 AMG, ML450, and R63 AMG. It is specifically designed to meet the OEM specifications for these models, ensuring proper fit and function within the driveline and axle assemblies.

Common Applications and Problem Resolution

• Replaces worn or damaged wheel bearings causing noise or vibration
• Addresses wheel play or looseness in the hub assembly
• Restores smooth wheel rotation and handling performance
• Prevents premature wear on related driveline components
• Improves vehicle safety by maintaining proper wheel alignment

Installation Notes and Tips

When installing the National 510097 wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Use appropriate tools to press the bearing into place without damaging the races. Verify the bearing is seated evenly and rotates smoothly before reassembling the wheel components. It is recommended to follow the vehicle manufacturer’s torque specifications and service procedures for wheel bearing replacement on Mercedes-Benz GL and ML series models.

Quality Assurance and Warranty

National wheel bearings are manufactured to meet strict quality standards, ensuring durability and performance. The 510097 part number undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, National typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Mercedes-Benz GL320, GL350, GL450, GL550, ML63 AMG, ML450, and R63 AMG vehicles.