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NationalPart #: A-53
National A-53 Wheel Bearing and Race Set - Rear Inner
⚙️ 55 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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🚗Fitment: Ford, F-250 Super Duty, F-350 Super Duty, F-250, F-350, and Excursion
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Overview of National A-53 Wheel Bearing and Race Set
The National A-53 wheel bearing and race set is designed specifically for Ford Excursion, F-250, F-250 Super Duty, F-350, and F-350 Super Duty models. This taper bearing set ensures precise fitment and reliable performance for driveline and axle applications.
- Includes taper bearing cone (NP114036) and cup (NP064306)
- Cone bore diameter: 2.2500 inches (57.15 mm)
- Cone length: 0.9540 inches (24.232 mm)
- Cone radius: 0.0200 inches (0.508 mm)
- Cup bore diameter: 3.8125 inches (96.838 mm)
- Cup length: 0.6250 inches (15.875 mm)
- Cup radius: 0.0300 inches (0.762 mm)
- Overall width: 0.8640 inches (21.946 mm)
- Components are sold as a set and not available separately
Technical Details and Specifications
The National A-53 wheel bearing and race set features a taper bearing design optimized for heavy-duty Ford trucks. The cone and cup dimensions are engineered to match OEM specifications, providing a secure and accurate fit within the wheel hub assembly. The cone bore measures 2.2500 inches (57.15 mm) with a length of 0.9540 inches (24.232 mm), while the cup bore is 3.8125 inches (96.838 mm) with a length of 0.6250 inches (15.875 mm). The precise cone and cup radii ensure smooth rotation and reduced wear under load. This set is essential for maintaining proper driveline function and wheel alignment on Ford Excursion and Super Duty trucks.
Compatible Vehicles and Applications
This wheel bearing and race set is compatible with the following Ford models:
- Ford Excursion
- Ford F-250
- Ford F-250 Super Duty
- Ford F-350
- Ford F-350 Super Duty
Use the National A-53 part number when searching for replacement wheel bearing sets for these specific vehicles to ensure correct fitment and performance.
Common Issues Addressed by the A-53 Bearing Set
- Eliminates wheel hub noise caused by worn bearings
- Prevents premature wear of axle components
- Restores proper wheel alignment and rotation
- Reduces vibration and improves driveline stability
- Helps maintain safe vehicle handling under load
Installation Notes and Tips
- Ensure the hub assembly is clean and free of debris before installation
- Use proper tools to press the bearing cone and cup into place without damage
- Verify dimensions against OEM specifications to confirm fitment
- Apply appropriate lubrication to bearing surfaces during assembly
- Torque wheel hub components to manufacturer-recommended specifications
Quality Assurance and Warranty
National wheel bearing and race sets are manufactured to meet industry standards for durability and performance. The A-53 set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects. Consult product documentation or the vehicle service manual for detailed warranty and maintenance information.
| Brand | National |
| Part Number | A-53 |
| Cone Bore (Inch) | 2.2500 |
| Cone Bore (MM) | 57.1500 |
| Cone Length (Inch) | 0.9540 |
| Cone Length (MM) | 24.2320 |
| Cone Radius (Inch) | 0.0200 |
| Cone Radius (MM) | 0.5080 |
| Cup Bore (Inch) | 3.8125 |
| Cup Bore (MM) | 96.8380 |
| Cup Length (Inch) | 0.6250 |
| Cup Length (MM) | 15.8750 |
| Cup Radius (Inch) | 0.0300 |
| Cup Radius (MM) | 0.7620 |
| Footnote | Components Not Available Seperately |
| Part Description | Taper Bearing Set |
| Taper Bearing Cone | NP114036 |
| Taper Bearing Cup | NP064306 |
| Width (Inch) | 0.8640 |
| Width (mm) | 21.9460 |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2012 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2011 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2011 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2010 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2010 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2009 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2009 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2009 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2009 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2008 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2008 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2008 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2008 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2007 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2007 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2007 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2007 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2006 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2006 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2006 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2006 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2005 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2005 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2005 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2005 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2005 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2004 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2004 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2004 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2004 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2004 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2003 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2003 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2003 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2003 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2003 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2002 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2002 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2002 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2002 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2002 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2001 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2001 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2001 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2001 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2001 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2000 | Ford | Excursion | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2000 | Ford | F-250 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2000 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 2000 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 2000 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 1999 | Ford | F-250 Super Duty | Rear Inner | Tapered wheel bearing and race set with cup and cone design for optimal fitment. |
| 1999 | Ford | F-350 | Rear Inner | Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
| 1999 | Ford | F-350 Super Duty | Rear Inner | with 10.5 (in) Ring Gear; Single Rear Wheel; Taper Bearing Set Includes Cup and Cone |
* 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:
F81W-1243AAF81Z-1243AANP064306
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.