National 510083 Wheel Bearing - Front or Rear

Overview of National 510083 Wheel Bearing

The National 510083 wheel bearing is engineered for reliable driveline performance in select Mercedes-Benz models. Designed with a double row angular contact design, this wheel bearing supports smooth rotation and durability for vehicles such as the Mercedes-Benz 300SD, 500SEL, and ML350.

• Double row angular contact design for enhanced load capacity
• Precision bore diameter of 1.929 inches (49 mm)
• Outer race outside diameter of 3.465 inches (88 mm)
• Width of 1.811 inches (46 mm) for optimal fitment
• Compatible with a wide range of Mercedes-Benz models including AMG variants

Technical Specifications and Design Features

The National 510083 wheel bearing features a double row angular contact design, which provides improved axial and radial load handling compared to single row bearings. The inner race bore measures 1.929 inches (49 mm) with a radius of 0.146 inches (3.7 mm), while the outer race has an outside diameter of 3.465 inches (88 mm) and a radius of 0.020 inches (0.5 mm). Both inner and outer races have a width of 1.811 inches (46 mm), ensuring a precise and secure fit within the hub assembly. This E-3 type bearing is part of the Fwdb series, designed to meet the specific requirements of Mercedes-Benz driveline systems.

Compatible Mercedes-Benz Models

This wheel bearing is compatible with a broad range of Mercedes-Benz vehicles, including but not limited to:

• 300SD, 300SE
• 400SE, 400SEL
• 500SEC, 500SEL
• 600SEC, 600SEL
• CL55 AMG, CL65 AMG, CL500, CL600
• E280, E320, E350, E500, E550
• ML55 AMG, ML320, ML350, ML430, ML500
• S55 AMG, S320, S350, S400, S420, S430, S450, S500, S600

Common Applications and Problem Resolution

The National 510083 wheel bearing is used to maintain smooth wheel rotation and support vehicle stability. It addresses several common driveline issues, including:

• Eliminating wheel noise caused by worn or damaged bearings
• Reducing vibration and uneven tire wear
• Improving steering response and handling
• Preventing premature hub assembly failure
• Maintaining proper wheel alignment and balance

Installation Notes and Tips

Proper installation of the National 510083 wheel bearing is critical for optimal performance. It is recommended to:

• Use appropriate tools to avoid damage to the bearing or hub
• Clean and inspect the hub assembly before installation
• Apply manufacturer-recommended lubricants if required
• Torque fasteners to vehicle specifications
• Verify correct fitment with the specific Mercedes-Benz model

Quality Assurance and Warranty

National wheel bearings are manufactured to meet stringent quality standards, ensuring durability and reliable performance. The 510083 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.