At a Glance
- SKU: 812865A-1475
PRODUCT INFORMATION
Product Details
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
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815-357-3292 · 270 E Jackson St · Seneca, IL 61360
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TRAILER PARTSGOOGLE
Ordered trailer repair parts repeatedly; praised fast service, careful packing, and accurate orders.
RV KEYSGOOGLE
Found the correct RV keys at a good price with free shipping; the keys worked as expected.
AXLE & LEAF SPRINGSGOOGLE
Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.
PARTS & SHIPPINGGOOGLE
Praised the OEM and aftermarket selection, discounts, quick shipping, and friendly parts staff.
CUSTOM AXLEGOOGLE
Got the axle he needed right away, set up with a custom spring perch.
WELDINGGOOGLE
Praised the polite staff and quality welding on a project.
GAS STRUTGOOGLE
Replacement struts brought a long-used door back to working order.
CUSTOM TRAILERGOOGLE
Had a trailer built to his needs at a fair price, then found parts for two other trailers in stock.
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Reported helpful service and fast shipment to Germany.
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Was pleased with a replacement trailer cord.
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Said the axle installation fit perfectly and thanked Josh and the crew.
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AXLE HELPYELLOW PAGES
Said R&P helped their company get back on the road after an axle problem.
DUMP TRAILERYELLOW PAGES
Was happy with a dump-trailer purchase after comparing options.
BRAKES, DRUMS & SEALSYELLOW PAGES
Received clear help choosing brake assemblies and bearing seals, followed by fast shipping.
DUMP TRAILERYELLOW PAGES
Found a good deal on a 16-foot dump trailer and planned to return.
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