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National 1779 Wheel Bearing - Front Outer
| Brand | National 1779 |
|---|---|
| Position | Front Outer |
| Cone Bore (Inch) | 0.9375 |
| Cone Bore (MM) | 23.8130 |
| Cone Length (Inch) | 0.7810 |
| Cone Length (MM) | 19.8370 |
| Cone Radius (Inch) | 0.0310 |
| Cone Radius (MM) | 0.7870 |
| Part Description | Taper Bearing Cone |
| Fits | Chevrolet, GMC, and International · 26 vehicles |
Premium-grade steel. Built with crowned raceways and rollers for even load distribution.
Taper bearing cone. A wheel bearing component engineered for smooth, consistent operation.
Cross-references National 1779, SKF BR1779 and 3DD5 for the same application. See all 39.
National 1779 Taper Bearing Cone
National 1779 is a taper bearing cone built for driveline and axle service where consistent wheel support matters. It uses premium-grade steel with crowned raceways and rollers to promote even load distribution in demanding front outer wheel bearing applications.
Key Features
- Taper bearing cone for wheel bearing service
- Premium-grade steel construction
- Crowned raceways and rollers for even load distribution
- Cone bore: 0.9375 in. (23.8130 mm)
- Cone length: 0.7810 in. (19.8370 mm)
- Cone radius: 0.0310 in. (0.7870 mm)
- National part number 1779 for direct identification
Detailed Description
This National wheel bearing cone is engineered for front outer applications that require stable rolling contact and accurate load handling. The crowned raceway and roller profile helps distribute load across the bearing surface, while the premium steel construction supports dependable operation in axle and hub assemblies. It is a direct-fit service part for select Chevrolet G20 and GMC G2500 models with heavy duty brakes, making National 1779 a practical choice when replacing a worn front outer taper bearing cone. This part cross-references SKF BR1779 for the same application.
What It Helps Solve
- Wheel end noise caused by worn bearing surfaces
- Excessive play in the front outer hub assembly
- Rough rolling feel from damaged taper bearing cones
- Uneven load distribution in the bearing contact area
- Service issues on Chevrolet G20 and GMC G2500 front outer wheel bearings with heavy duty brakes
Installation Notes and Tips
- Verify cone bore, length, and radius against the removed bearing before installation.
- Inspect the matching cup/race, hub, spindle, and seals for wear or scoring.
- Clean and repack the bearing assembly with the correct wheel bearing grease during service.
- Use proper bearing preload and torque procedures for the vehicle application.
- Fits 1983-1995 Chevrolet G20, Front Outer, with Heavy Duty Brakes.
- Fits 1983-1995 GMC G2500, Front Outer, with Heavy Duty Brakes.
Quality Assurance
National manufactures this taper bearing cone with premium-grade steel and a crowned roller/raceway profile to support even load distribution. National 1779 is identified for service use in select Chevrolet G20 and GMC G2500 front outer applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1995 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1994 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1994 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1993 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1993 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1992 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1992 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1991 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1991 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1990 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1990 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1989 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1989 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1988 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1988 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1987 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1987 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1986 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1986 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1985 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1985 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1984 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1984 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
| 1983 | Chevrolet | G20 | Front Outer | with Heavy Duty Brakes |
| 1983 | GMC | G2500 | Front Outer | with Heavy Duty Brakes |
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