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SKF FW81 Wheel Bearing Assembly - Front or Rear
Overview of SKF FW81 Wheel Bearing Assembly
The SKF FW81 wheel bearing assembly is engineered for precision and durability, designed specifically for select Audi and Volkswagen models. This component ensures reliable wheel rotation and supports vehicle stability for models such as the Audi A6 Quattro and Volkswagen Phaeton.
- Inside Diameter: 1.772 inches
- Hub Pilot Diameter: 3.622 inches
- Width: 1.663 inches
- Outside Diameter: 3.622 inches
- Part Number: FW81
Technical Specifications and Design Details
The SKF FW81 wheel bearing assembly features a precise inside diameter of 1.772 inches, allowing for a secure fit on the axle shaft. The hub pilot diameter measures 3.622 inches, matching the hub bore for accurate alignment and reduced vibration. With a width of 1.663 inches and an outside diameter of 3.622 inches, this assembly is designed to meet the exacting standards required for high-performance driveline systems. The robust construction supports consistent wheel rotation and load distribution, critical for vehicles like the Audi S8 and Volkswagen R8.
Compatible Vehicles and Applications
This wheel bearing assembly is compatible with a range of Audi and Volkswagen models, including:
- Audi A6 Quattro
- Audi A8 Quattro
- Audi R8
- Audi S6
- Audi S8
- Volkswagen Phaeton
It is designed to replace original equipment parts, ensuring proper fit and function for these specific vehicles.
Common Issues Addressed by the SKF FW81
- Wheel bearing noise or humming during driving
- Excessive play or looseness in the wheel hub
- Uneven tire wear caused by bearing failure
- Vibration or wobbling at higher speeds
- ABS sensor malfunctions related to bearing wear
Installation Notes and Tips
Proper installation of the SKF FW81 wheel bearing assembly is critical for optimal performance. It is recommended to use a press tool to install the bearing without damage. Ensure the hub pilot diameter aligns correctly with the hub bore to prevent misalignment. After installation, verify wheel rotation for smoothness and check for any abnormal noises. Torque specifications should follow manufacturer guidelines for the specific Audi or Volkswagen model.
Quality Assurance and Warranty
SKF wheel bearing assemblies are manufactured to meet stringent quality standards, providing reliable performance and durability. The FW81 part number is backed by SKF's quality assurance processes. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.
This part fits 38 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Audi | R8 | Rear | Sealed wheel bearing with housing |
| 2011 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2011 | Audi | R8 | Rear | Sealed wheel bearing with housing |
| 2011 | Audi | S6 | Front | Sealed wheel bearing with housing |
| 2011 | Audi | S6 | Rear | Sealed wheel bearing with housing |
| 2010 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2010 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2010 | Audi | R8 | Rear | Sealed wheel bearing with housing |
| 2010 | Audi | S6 | Front | Sealed wheel bearing with housing |
| 2010 | Audi | S6 | Rear | Sealed wheel bearing with housing |
| 2009 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2009 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2009 | Audi | R8 | Rear | Sealed wheel bearing with housing |
| 2009 | Audi | S6 | Front | Sealed wheel bearing with housing |
| 2009 | Audi | S6 | Rear | Sealed wheel bearing with housing |
| 2009 | Audi | S8 | Front | Sealed wheel bearing with housing |
| 2008 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2008 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2008 | Audi | R8 | Rear | Sealed wheel bearing with housing |
| 2008 | Audi | S6 | Front | Sealed wheel bearing with housing |
| 2008 | Audi | S6 | Rear | Sealed wheel bearing with housing |
| 2008 | Audi | S8 | Front | Sealed wheel bearing with housing |
| 2007 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2007 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2007 | Audi | S6 | Front | Sealed wheel bearing with housing |
| 2007 | Audi | S6 | Rear | Sealed wheel bearing with housing |
| 2007 | Audi | S8 | Front | Sealed wheel bearing with housing |
| 2006 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2006 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2006 | Volkswagen | Phaeton | Front | Sealed wheel bearing with housing |
| 2006 | Volkswagen | Phaeton | Rear | Sealed wheel bearing with housing |
| 2005 | Audi | A6 Quattro | Rear | Sealed wheel bearing with housing |
| 2005 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2005 | Volkswagen | Phaeton | Front | Sealed wheel bearing with housing |
| 2005 | Volkswagen | Phaeton | Rear | Sealed wheel bearing with housing |
| 2004 | Audi | A8 Quattro | Front | Sealed wheel bearing with housing |
| 2004 | Volkswagen | Phaeton | Front | Sealed wheel bearing with housing |
| 2004 | Volkswagen | Phaeton | Rear | Sealed wheel bearing with housing |
* 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.