12K Oil Bath Hub Kit – 8 on 6.5 Pattern, Rockwell Style
Part Number: 812865A-1-KIT
This complete 12K oil bath hub kit fits many Rockwell, AL-KO, and Dexter general-duty 12,000 lb axles using an 8 on 6.5 bolt pattern. The hub comes pre-matched with the correct bearings, seal, oil cap, O-ring, center plug, and eight lug nuts for a full service replacement.
Features
- Fits many 12K general-duty axles (Rockwell / AL-KO / Dexter)
- Includes matched bearings, race set, and oil seal
- Oil bath cap assembly with plug and O-ring included
- 8 on 6.5 bolt pattern with 4.88" hub pilot diameter
- Includes eight 5/8"-18 cone lug nuts
Specifications
| Specification | Detail |
|---|---|
| Hub Part Number | 812865A-1 |
| Bolt Pattern | 8 on 6.5 |
| Pilot Diameter | 4.88" |
| Outer Bearing | 39590 |
| Inner Bearing | JM205149 |
| Oil Seal | 10-56 (3.12" × 4.506") |
| Oil Cap Assembly | 12011 + 046-032-00 plug + 010-258-00 O-ring |
| Lug Nuts | (8) 6-109 — 5/8"-18, 60° cone |
Verify bearing numbers and seal size on your existing hub before ordering, as 12K components vary by manufacturer and production year.