Rockwell American 12,000 lb Bearing Race – Replacement Trailer Axle Hub / Drum Brake (39250)
High-quality Rockwell American bearing race (39250) designed for 12,000 lb trailer axles. This precision-machined race provides a reliable seating surface for bearing 3920, ensuring smooth rotation and even load distribution in heavy-duty hub and drum assemblies. Commonly used in Rockwell, Dexter, and Lippert 12K axles with oil or grease lubrication systems.
| Part Number | Quantity | Description |
|---|---|---|
| 39250 | 1 | Bearing Race for 3920 Bearing – Fits Rockwell American 12K Axles |
Features
- Precision-ground bearing race ensures smooth operation and perfect bearing fit
- Hardened steel construction for high-load, long-life performance
- Compatible with oil-bath or grease-lubricated 12K hubs and drums
- Meets or exceeds OEM specifications for Rockwell, Dexter, and Lippert axles
- Direct replacement for race used with bearing 3920
Specifications
| Part Number | 39250 |
| Bearing Compatibility | 3920 (Outer Bearing) |
| Outside Diameter (OD) | 2.894" (Approx.) |
| Material | Hardened High-Carbon Steel |
| Axle Rating | 12,000 lb Capacity Axles |
Fitment
- Used in 12,000 lb Rockwell American trailer axle hub and drum assemblies
- Compatible with Dexter and Lippert 12K hub/drum configurations using bearing 3920
- Interchangeable with equivalent bearing races from Timken, TruRyde, and National
This bearing race provides a precise seating surface for the outer bearing, ensuring smooth rotation, long service life, and dependable alignment in heavy-duty 12K axle hubs.
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