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National 26884 Wheel Bearing - Front Inner
Overview of National 26884 Wheel Bearing Cone
The National 26884 wheel bearing cone is engineered for reliable driveline performance in Chevrolet and GMC heavy-duty vehicles. Designed specifically for models like the Chevrolet C3500, GMC P30, and P3500, this taper bearing cone ensures precise fitment and durability.
- Taper bearing cone with a cone bore diameter of 1.6880 inches (42.875 mm)
- Cone length measures 1.0000 inch (25.400 mm) for accurate seating
- Cone radius of 0.1400 inch (3.556 mm) to match OEM specifications
- Part number 26884 for easy identification and replacement
- Compatible with Chevrolet C3500, GMC P30, and P3500 models
Technical Specifications and Features
This National wheel bearing cone features a precise cone bore of 1.6880 inches (42.875 mm), ensuring a snug fit within the hub assembly. The 1.0000 inch (25.400 mm) cone length provides the correct axial positioning for the bearing, while the 0.1400 inch (3.556 mm) cone radius matches the original equipment manufacturer (OEM) design. These dimensions are critical for maintaining proper bearing preload and smooth wheel rotation in Chevrolet and GMC heavy-duty trucks.
Application and Compatibility
The National 26884 wheel bearing cone is compatible with specific Chevrolet and GMC models, including the Chevrolet C3500, GMC P30, and P3500. This part is designed to replace worn or damaged taper bearing cones in the driveline and axle assemblies of these vehicles, helping to restore proper wheel bearing function and vehicle safety.
- Eliminates wheel bearing noise caused by worn cones
- Prevents premature bearing wear due to improper fit
- Restores correct bearing preload and wheel alignment
- Addresses vibration issues related to driveline components
- Helps maintain vehicle handling and stability
Installation Notes and Tips
When installing the National 26884 wheel bearing cone, ensure the cone bore and radius dimensions match the hub assembly specifications. Proper cleaning and inspection of the hub and bearing surfaces are essential before installation. Use appropriate tools to press the cone into place without damaging the bearing surfaces. Follow vehicle manufacturer torque specifications for bearing preload to avoid over-tightening or under-tightening.
Quality Assurance and Warranty
National wheel bearing cones are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 26884 may vary, National typically offers coverage against defects in materials and workmanship. Using this OEM-compatible taper bearing cone helps maintain the integrity of Chevrolet C3500, GMC P30, and P3500 driveline systems.
| Brand | National |
| Part Number | 26884 |
| Cone Bore (Inch) | 1.6880 |
| Cone Bore (MM) | 42.8750 |
| Cone Length (Inch) | 1.0000 |
| Cone Length (MM) | 25.4000 |
| Cone Radius (Inch) | 0.1400 |
| Cone Radius (MM) | 3.5560 |
| Part Description | Taper Bearing Cone |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 2000 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1999 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1999 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1999 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1999 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1998 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1998 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1998 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1998 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1997 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1997 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1997 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1997 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1996 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1996 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1996 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1996 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1995 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1995 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1995 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1995 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1994 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1994 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1994 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1993 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1993 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1993 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1992 | Chevrolet | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1992 | GMC | C3500 | Front Inner | with 15,000 (lb) Gross Vehicle Weight (GVW) |
| 1992 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1991 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1991 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1990 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1990 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1989 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1989 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1988 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1988 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1987 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1987 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1986 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1986 | GMC | P3500 | Front Inner | with I-Beam Axle |
| 1985 | Chevrolet | P30 | Front Inner | with I-Beam Axle |
| 1985 | GMC | P3500 | Front Inner | with I-Beam Axle |
* 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.