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National 39412 Wheel Bearing Race - Rear Outer
| Brand | National 39412 |
|---|---|
| Position | Rear Outer |
| Cup Bore (Inch) | 4.1250 |
| Cup Bore (MM) | 104.7750 |
| Cup Length (Inch) | 0.6250 |
| Cup Length (MM) | 15.8750 |
| Cup Radius (Inch) | 0.0799 |
| Cup Radius (MM) | 2.0300 |
| Part Description | Taper bearing cup |
| Fits | — |
Premium-grade steel. Built for durable wheel bearing support.
Crowned raceways. Promote even load distribution across the bearing.
Taper bearing cup. A precision race for wheel bearing assemblies.
Cross-references National 39412, SKF BR39412 and 6E7O-1239-AA for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
National 39412 Taper Bearing Cup
National 39412 is a taper bearing cup built from premium-grade steel for driveline and axle service. Its crowned raceway helps distribute load evenly across the bearing surface, supporting consistent operation in wheel bearing applications.
Key Features
- Premium-grade steel construction for wheel bearing service
- Crowned raceway for even load distribution
- Taper bearing cup design for axle and hub applications
- Cup bore: 4.1250 in. (104.7750 mm)
- Cup length: 0.6250 in. (15.8750 mm)
- Cup radius: 0.0799 in. (2.0300 mm)
Detailed Description
This National wheel bearing race is a taper bearing cup engineered for driveline and axle assemblies that require a precise bearing surface. The 39412 part number is associated with a cup bore of 4.1250 inches, a cup length of 0.6250 inches, and a cup radius of 0.0799 inches, making it a direct-reference component for service work where dimensional accuracy matters. For technicians searching National 39412, wheel bearing race, or taper bearing cup for Ford and Dodge applications, this part provides the core geometry needed for proper bearing support.
This part cross-references SKF BR39412 for the same application.
What It Helps Address
- Wheel bearing race wear or scoring
- Uneven bearing load across the raceway
- Noise caused by damaged taper cup surfaces
- Hub or axle service requiring a replacement bearing cup
- Dimensional mismatch during bearing repair on Ford and Dodge applications
Installation Notes and Tips
Verify cup bore, length, and radius against the original component before installation. Press the race into the hub or axle assembly using proper bearing service tools to avoid distortion or surface damage. Clean the bore and inspect the mating bearing components for wear before reassembly. For Ford and Dodge wheel bearing service, confirm the replacement race matches the original taper bearing cup dimensions and application requirements.
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. Part number 39412 is built to meet the dimensional demands of axle and hub repair work.
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