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National 25820 Wheel Bearing Race - Front Outer or Rear
| Brand | National 25820 |
|---|---|
| Position | Front Outer |
| Cup Bore (Inch) | 2.8750 |
| Cup Bore (MM) | 73.0250 |
| Cup Length (Inch) | 0.7500 |
| Cup Length (MM) | 19.0500 |
| Cup Radius (Inch) | 0.0930 |
| Cup Radius (MM) | 2.3620 |
| Part Description | Taper Bearing Cup |
| Fits | Ford, Jaguar, and Singer |
Premium-grade steel. Built for durable wheel bearing race performance.
Crowned raceways. Promote even load distribution across the bearing.
Taper bearing cup. A precise replacement for tapered bearing assemblies.
Cross-references AMS Automotive 4073, AMS Automotive 4075 and Continental 66232 for the same application. See all 80.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
National 25820 Taper Bearing Cup
The National 25820 wheel bearing race is a taper bearing cup made from premium-grade steel for dependable wheel-end support. Its crowned raceway helps distribute load more evenly, making it a practical choice for driveline and axle service on applications such as Ford, John Deere, and International equipment.
Key Features
- Premium-grade steel construction for bearing cup durability
- Crowned raceway promotes even load distribution across the bearing surface
- 2.8750 inch cup bore for precise bearing fitment
- 0.7500 inch cup length for compact wheel bearing service
- 0.0930 inch cup radius for taper bearing cup geometry
- National 25820 part number for direct catalog matching
Product Details
Built as a taper bearing cup, this National wheel bearing race is used with matching tapered roller bearing components to support rotating assemblies under load. The premium steel construction and crowned raceway help maintain consistent contact characteristics in demanding wheel-end and axle applications. For buyers searching for a National 25820 wheel bearing race, taper bearing cup, or National 25820 replacement for Ford, John Deere, or International equipment, this part provides the dimensional specifications needed for accurate service selection.
This part cross-references SKF BR25820 for the same application.
Common Service Uses
- Replacing a worn or pitted bearing race in a wheel hub
- Correcting rough wheel rotation caused by race surface damage
- Addressing bearing noise from tapered roller bearing wear
- Restoring proper bearing preload and running surface condition
- Servicing axle and hub assemblies that use a 2.8750 inch cup bore
Installation Notes
Verify cup bore, cup length, and race profile before installation to confirm the National 25820 matches the hub or axle assembly. Clean the bearing seat thoroughly, inspect the matching bearing cone for wear, and press the cup in evenly to avoid distortion. Always replace damaged mating components as needed and confirm final fitment against the vehicle or equipment service specifications.
Quality Assurance
National manufactures this taper bearing cup with premium-grade steel and a crowned raceway to support even load distribution in wheel bearing service. The National 25820 is built to the dimensional and material standards expected for professional driveline and axle repair.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||