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National 511004 Wheel Bearing - Rear Inner
National 511004 Wheel Bearing Overview
The National 511004 wheel bearing is engineered for reliable driveline performance in select Chevrolet, Geo, GMC, Pontiac, and Suzuki vehicles. Designed as a single row radial bearing, it offers precise fitment and durability for models like the Sidekick, Sunrunner, Tracker, and X-90.
- Single row radial design for consistent load handling
- Inner race bore diameter of 1.378 inches (35 mm)
- Outer race outside diameter of 3.150 inches (80 mm)
- Inner race width of 1.024 inches (26 mm)
- Compatible with Chevrolet, Geo, GMC, Pontiac, and Suzuki models
Technical Specifications and Design Details
This National wheel bearing features a 35 mm bore and an 80 mm outside diameter, making it suitable for specific driveline applications. The inner race has a width of 26 mm and a radius of 2.5 mm, while the outer race width measures 21 mm with the same radius. The single row radial design supports radial loads efficiently, contributing to smooth wheel rotation and vehicle stability. The bearing is classified under the Rwdb series and type E-3, ensuring compatibility with Gen1 applications.
Compatible Vehicles and Applications
The National 511004 wheel bearing is compatible with the following makes and models:
- Chevrolet Sidekick
- Geo Sunrunner
- GMC Tracker
- Pontiac Sunrunner
- Suzuki X-90
This part is ideal for replacing worn or damaged wheel bearings in these vehicles, maintaining proper wheel alignment and driveline integrity.
Common Issues Addressed by This Wheel Bearing
- Eliminates wheel noise caused by worn bearings
- Prevents wheel wobble and vibration during driving
- Restores smooth wheel rotation and handling
- Reduces uneven tire wear due to bearing failure
- Improves overall vehicle safety and driveline performance
Installation Notes and Tips
When installing the National 511004 wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Proper lubrication and torque specifications should be followed according to the vehicle manufacturer’s guidelines. It is recommended to inspect related components such as seals and hubs during installation to ensure optimal performance and longevity.
Quality Assurance and Warranty
National wheel bearings are manufactured to meet industry standards for durability and precision. The 511004 part number undergoes rigorous quality control to ensure reliable performance in compatible Chevrolet, Geo, GMC, Pontiac, and Suzuki vehicles. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.
| Brand | National |
| Part Number | 511004 |
| Bore (Inch) | 1.378 |
| Bore (mm) | 35.000 |
| Design | Single Row Radial |
| Footnote | GEN1 |
| Inner Race Bore (Inch) | 1.378 |
| Inner Race Bore (MM) | 35.000 |
| Inner Race Radius (Inch) | 0.098 |
| Inner Race Radius (MM) | 2.500 |
| Inner Race Width (Inch) | 1.024 |
| Inner Race Width (MM) | 26.000 |
| Outer Race Outside Diameter (Inch) | 3.150 |
| Outer Race Outside Diameter (MM) | 80.000 |
| Outer Race Radius (Inch) | 0.098 |
| Outer Race Radius (MM) | 2.500 |
| Outer Race Width (Inch) | 0.827 |
| Outer Race Width (MM) | 21.000 |
| Outside Diameter (Inch) | 3.150 |
| Outside Diameter (mm) | 80.000 |
| Part Description | Wheel Bearing |
| Series | RWDB |
| Type | E-3 |
| Width (Inch) | 1.024 |
| Width (mm) | 26.000 |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Chevrolet | Tracker | Rear Inner | |
| 1998 | Suzuki | Sidekick | Rear Inner | |
| 1998 | Suzuki | X-90 | Rear Inner | |
| 1997 | Geo | Tracker | Rear Inner | |
| 1997 | Pontiac | Sunrunner | Rear Inner | |
| 1997 | Suzuki | Sidekick | Rear Inner | |
| 1997 | Suzuki | X-90 | Rear Inner | |
| 1996 | Geo | Tracker | Rear Inner | |
| 1996 | Pontiac | Sunrunner | Rear Inner | |
| 1996 | Suzuki | Sidekick | Rear Inner | |
| 1996 | Suzuki | X-90 | Rear Inner | |
| 1995 | Geo | Tracker | Rear Inner | |
| 1995 | Pontiac | Sunrunner | Rear Inner | |
| 1995 | Suzuki | Sidekick | Rear Inner | |
| 1994 | Geo | Tracker | Rear Inner | |
| 1994 | Pontiac | Sunrunner | Rear Inner | |
| 1994 | Suzuki | Sidekick | Rear Inner | |
| 1993 | Geo | Tracker | Rear Inner | |
| 1993 | Suzuki | Sidekick | Rear Inner | |
| 1992 | Geo | Tracker | Rear Inner | |
| 1992 | Suzuki | Sidekick | Rear Inner | |
| 1991 | Chevrolet | Tracker | Rear Inner | |
| 1991 | Geo | Tracker | Rear Inner | |
| 1991 | GMC | Tracker | Rear Inner | |
| 1991 | Suzuki | Sidekick | Rear Inner | |
| 1990 | Chevrolet | Tracker | Rear Inner | |
| 1990 | Geo | Tracker | Rear Inner | |
| 1990 | GMC | Tracker | Rear Inner | |
| 1990 | Suzuki | Sidekick | Rear Inner | |
| 1989 | Chevrolet | Tracker | Rear Inner | |
| 1989 | Geo | Tracker | Rear Inner | |
| 1989 | GMC | Tracker | Rear Inner | |
| 1989 | Suzuki | Sidekick | Rear Inner |
* 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.