Trailer Axle Hub Only — Rockwell / Quality Trailer 12K
Part Number: 812865A-1475
8 on 6.5 Bolt Pattern · 4.75" Pilot
This listing is for one (1) trailer axle hub only designed for use on 12,000 lb Rockwell and Quality Trailer axles. This hub is commonly used with hub/drum assemblies such as 912865 and is supplied with bearing races pre-installed.
Hub only — bearings, seal, oil cap, grease cap, and lug nuts are not included.
Features
- Designed for 12,000 lb trailer axles (6,000 lb per hub)
- 8 on 6.5 wheel bolt pattern
- Bearing races factory installed
- Compatible with Rockwell and Quality Trailer axles
- Hub-only configuration for service or custom builds
Specifications
| Specification | Detail |
|---|---|
| Axle Rating | 12,000 lb |
| Bolt Pattern | 8 on 6.5 |
| Pilot Diameter | 4.75" |
| Stud Size | 5/8" |
| Spindle Fitment | #120 spindle |
| Manufacturer | Rockwell / Quality Trailer |
Bearing & Seal Information
- Inner Bearing: 39590 (not included)
- Inner Race: 39520 (installed)
- Outer Bearing: JM205149 (not included)
- Outer Race: JM205110 (installed)
- Oil Seal: CR31281 (not included)
Bearing races are pre-installed in this hub.
Fitment Notes
- Commonly used with hub/drum casting 912865
- Verify pilot diameter, spindle size, and bearing numbers before ordering
- This is not a complete hub assembly