Trailer Wheel Bearing – 1.75" ID – Fits Race 25520
Part Number: 25580
Tapered roller bearing with 1.75" inner diameter commonly used as the inner bearing in many 6-lug and 8-lug trailer hub assemblies. Designed to pair with race 25520.
R&P Knowledge Hub
Bearing 25580 is commonly used on 5,200–8,000 lb trailer axles and many #42 spindles. Always confirm bearing numbers in your hub and maintain proper lubrication with high-quality trailer wheel bearing grease.
| Specification | Value |
|---|---|
| Brand Reference | NTN |
| d – Internal Diameter | 42.875 mm (1.688") |
| D – External Diameter | 82.931 mm (3.265") |
| B – Inner Ring Width | 25.4 mm (1.000") |
| C – Outer Ring Width | 19.05 mm (0.750") |
| T – Total Width | 23.812 mm (0.937") |
| Mass | 0.582 kg |
Features
- Tapered roller trailer wheel bearing
- Common inner bearing for 6-lug and 8-lug hubs
- Designed to match race 25520
- Used on many 5,200–8,000 lb trailer axles
Specifications
| Specification | Detail |
| Inner Diameter | 1.75" |
| Compatible Race | 25520 |
| Typical Axle Range | 5,200–8,000 lb |
| Bearing Type | Tapered Roller |
Verify specifications before installation.