At a Glance
- >Trailer wheel bearing race
- >Precision-machined steel construction
- >Designed for bearing 25580
- >Common fit in heavy-duty trailer hubs
- Brand: R & P Carriages
- SKU: 25520
Match the part number, measurements and connection points that apply to your trailer.
| Part Number | Match the number stamped on the original bearing or seal. |
|---|---|
| Dimensions | Measure the mating surfaces when a number is unavailable. |
| Hub / Axle | Use capacity as context, not as the only fitment check. |

Trailer wheel bearing race designed to pair with tapered roller bearing 25580.Commonly used in many 6-lug and 8-lug trailer hub and drum assemblies.
Bearing races and bearings must always be installed as matched sets.Race 25520 is designed specifically for bearing 25580 and is commonly used on many 5,200–8,000 lb trailer axles.
| Specification | Value |
|---|---|
| Brand Reference | NTN |
| D – External Diameter | 82.931 mm (3.265") |
| C – Outer Ring Width | 19.05 mm (0.750") |
| Compatible Bearing | 25580 |
| Typical Axle Range | 5,200–8,000 lb |
| Specification | Detail |
| Part Number | 25520 |
| Outer Diameter | 3.265" |
| Compatible Bearing | 25580 |
| Typical Axle Range | 5,200–8,000 lb |
Verify specifications before installation.
