Rockwell American Quality 12K–16K Bearing Race – Trailer Axle Hub / Drum Brake (39290)
Premium-grade Rockwell American bearing race (39290) designed for 12,000–16,000 lb trailer axles. This precision-ground race provides a smooth, hardened surface for bearing 39590, ensuring accurate alignment, long service life, and consistent performance under heavy load. Commonly used in Rockwell, Dexter, and Lippert heavy-duty hub and drum assemblies.
| Part Number | Quantity | Description |
|---|---|---|
| 39290 | 1 | Bearing Race for 39590 Bearing – Fits Rockwell American 12K–16K Axles |
Features
- Precision-ground for smooth, consistent bearing operation
- Hardened high-carbon steel resists wear and deformation
- Provides a reliable fit for bearing 39590 in hub and drum brake assemblies
- Engineered for high-capacity 12K–16K trailer axle applications
- Direct OEM replacement for Rockwell, Dexter, and Lippert axles
Specifications
| Part Number | 39290 |
| Bearing Compatibility | 39590 (Inner Bearing) |
| Outside Diameter (OD) | 6.259" (Approx.) |
| Material | Hardened High-Carbon Steel |
| Axle Rating | 12,000–16,000 lb Capacity Axles |
Fitment
- Used in heavy-duty Rockwell American 12K–16K trailer axle hub and drum brake assemblies
- Interchangeable with Dexter, Lippert, and other 12K/16K hub systems
- Direct fit with inner bearing 39590
- Replaces Timken, National, and TruRyde equivalents
A precision-engineered race built for demanding commercial and industrial trailer applications. Replace race and bearing as a matched set for maximum performance and longevity.