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.
Shipping
We ship quickly and carefully, with tracking provided on every order. Most items ship the same or next business day. Your parts will arrive safely and on time, ready to use.
Returns & Guarantee
Your satisfaction is guaranteed. Returns, refunds, and exchanges are accepted — no hassle. We stand behind every part we sell, so you can purchase with confidence.
Committed to Customer Service
At R and P Carriages, we believe in treating our customers like family. Whether you need a small replacement part or a complete trailer service, we’re here to help with friendly, expert support every step of the way.
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