Trailer Axle Bearing Kit – Fits #42 Spindle (1.75" × 1.25")
Part Number: BK3-200
This trailer axle bearing kit services one (1) hub on trailers using a #42 spindle, commonly found on many 6,000 lb and 7,000 lb axles from Dexter, AL-KO, Rockwell, Lippert, and similar manufacturers. The kit includes bearings, races, grease seal, cotter pin, and tang/lock washer.
Always confirm fitment by checking the bearing numbers stamped on your existing components. Outer bearing and seal combinations may vary by axle model and year.
Features
- Complete one-hub service kit (order two kits per axle)
- Fits most 6,000 lb and 7,000 lb trailer axles
- Designed for standard #42 spindles
- Includes matched bearings and races
- Includes common 2.25" grease seal
Specifications
| Outer Bearing | 14125A — 1.25" I.D. |
| Outer Race | 14276 (for 14125A) |
| Inner Bearing | 25580 — 1.75" I.D. |
| Inner Race | 25520 (for 25580) |
| Grease Seal | 10-36 — 2.25" I.D. (2.125" optional) |
| Additional Hardware | Cotter pin and tang/lock washer |
| Spindle Type | Standard #42 |
| Service Quantity | One hub |
Bearing and seal combinations vary by manufacturer and axle configuration. Verify bearing numbers or measure existing components before ordering. If a 2.125" grease seal is required instead of the included 2.25" seal, confirm prior to purchase.
