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National 12520 Wheel Bearing Race - Front Outer
| Brand | National 12520 |
|---|---|
| Position | Front Outer |
| Cup Bore (Inch) | 1.9380 |
| Cup Bore (MM) | 49.2250 |
| Cup Length (Inch) | 0.6250 |
| Cup Length (MM) | 15.8750 |
| Cup Radius (Inch) | 0.0620 |
| Cup Radius (MM) | 1.5750 |
| Part Description | Taper Bearing Cup |
| Fits | Ferrari, International, Dodge, Fargo, Lincoln, and Mercury |
Premium-grade steel. Built for durable wheel bearing support.
Crowned raceways. Promote even load distribution across the bearing.
Taper bearing cup. A precise race for tapered wheel bearings.
Cross-references Carlson 12520, SKF BR12520 and 5DM30 for the same application. See all 50.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
National 12520 Wheel Bearing Race
The National 12520 taper bearing cup is built from premium-grade steel and formed with a crowned raceway to promote even load distribution. It is a direct-fit wheel bearing race for service work where a precise bearing cup is required for smooth wheel-end operation.
Key Features
- Premium-grade steel construction for wheel bearing service
- Crowned raceway helps distribute load evenly across the bearing surface
- Taper bearing cup design for use in wheel bearing assemblies
- Cup bore: 1.9380 in. / 49.2250 mm
- Cup length: 0.6250 in. / 15.8750 mm
- Cup radius: 0.0620 in. / 1.5750 mm
- National part number 12520 for catalog and service reference
Detailed Description
National 12520 is a taper bearing cup engineered for wheel bearing applications that require accurate race geometry and consistent contact. The crowned raceway supports even load distribution, while the premium steel construction provides the strength needed for demanding driveline and axle service. This part is commonly searched as a wheel bearing race for tractor, trailer, and equipment wheel-end repairs, including applications that cross-reference National 12520, SKF BR12520, and Carlson 12520.
For buyers searching by vehicle keywords, this bearing cup is often referenced in Ford, John Deere, and other make/model service contexts where the correct taper bearing race is needed for wheel-end maintenance. Use the part number 12520 when matching service literature, bearing kits, or replacement race specifications.
What It Helps Address
- Worn or pitted bearing cup surfaces
- Uneven wheel bearing load distribution
- Noise caused by damaged raceways
- Loss of proper bearing contact in the hub assembly
- Service replacement needs for taper bearing cup applications
Installation Notes and Tips
Confirm cup bore, length, and radius before installation to match the hub and bearing assembly. Press the race fully into the hub or housing using proper bearing service tools, and inspect the mating bearing components for wear before reassembly. Verify the replacement against the original National 12520 specification and the vehicle service information for the exact application.
Quality Assurance
National manufactures this taper bearing cup with premium-grade steel and a crowned raceway profile to support consistent bearing performance in wheel-end service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
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