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National 510103 Wheel Bearing - Front
Overview of National 510103 Wheel Bearing for Mazda 6
The National 510103 wheel bearing is engineered for precise fitment on Mazda 6 models, providing reliable driveline performance. Designed with a double row angular contact design, this wheel bearing ensures durability and smooth operation under various driving conditions.
- Double row angular contact design for enhanced load capacity
- Inner race bore diameter of 1.772 inches (45 mm)
- Outer race outside diameter of 3.347 inches (85 mm)
- Width of 1.772 inches (45 mm) for consistent fitment
- Compatible specifically with Mazda 6 vehicles
Technical Specifications and Design Features
The National 510103 wheel bearing features a double row angular contact design, which allows it to handle both radial and axial loads effectively. The inner race bore measures 1.772 inches (45 mm), matching the precise dimensions required for Mazda 6 wheel hubs. The outer race outside diameter is 3.347 inches (85 mm), with a consistent width of 1.772 inches (45 mm) for both inner and outer races. This E-3 type bearing from the Fwdb series is built to meet the specific tolerances and performance standards necessary for driveline and axle applications.
Applications and Problem Solving
This wheel bearing is intended for use in the front driveline and axle assembly of Mazda 6 vehicles. It addresses common issues such as:
- Excessive wheel play or looseness
- Unusual noise or grinding from the wheel area
- Uneven tire wear caused by bearing failure
- Reduced steering stability and handling performance
- Potential wheel hub overheating due to bearing wear
Installation Notes and Tips
When installing the National 510103 wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Proper torque specifications should be followed to avoid premature bearing failure. It is recommended to use appropriate tools for pressing the bearing into place to maintain the integrity of the double row angular contact design. Verify fitment compatibility with Mazda 6 models before installation.
Quality Assurance and Warranty
National wheel bearings are manufactured to meet industry standards for durability and performance. The 510103 part number undergoes rigorous quality control to ensure dimensional accuracy and material strength. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.
| Brand | National |
|---|---|
| Part Number | 510103 |
| Bore (Inch) | 1.772 |
| Bore (mm) | 45.000 |
| Design | Double Row Angular Contact |
| Footnote | GEN1 |
| Inner Race Bore (Inch) | 1.772 |
| Inner Race Bore (MM) | 45.000 |
| Inner Race Width (Inch) | 1.772 |
| Inner Race Width (MM) | 45.000 |
| Outer Race Outside Diameter (Inch) | 3.347 |
| Outer Race Outside Diameter (MM) | 85.000 |
| Outer Race Width (Inch) | 1.772 |
| Outer Race Width (MM) | 45.000 |
| Outside Diameter (Inch) | 3.347 |
| Outside Diameter (mm) | 85.000 |
| Part Description | Wheel Bearing |
| Series | FWDB |
| Type | E-3 |
| Width (Inch) | 1.772 |
| Width (mm) | 45.000 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mazda | 6 | 3.7L | V6 | Front | |
| 2012 | Mazda | 6 | 3.7L | V6 | Front | |
| 2011 | Mazda | 6 | 3.7L | V6 | Front | |
| 2010 | Mazda | 6 | 3.7L | V6 | Front | |
| 2009 | Mazda | 6 | 3.7L | V6 | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.