5.2k-7k Trailer Spindle
This Dexter-compatible spindle fits right into the standard #42 spindle family used across most Dexter trailer axles in the 5.2–7k range and used on select 7.2K/8K hubs. That means full compatibility with the usual Dexter-style hubs, drums, and hardware, making it easy to find parts and handle repairs without any guesswork.
Precision-machined from high-grade steel and heat-treated at critical wear points, this 5.2K-7K dexter trailer spindle is built to last. It supports smooth bearing operation and proper seal fitment, helping to reduce premature part failure and uneven tire wear. Ideal for Dexter 5K axle setups that see frequent loading, stop-and-go driving, or rougher terrain.
| Recommended Fit For: | Utility / Small trailer, Dexter axle type |
| Heat Treatment: | Yes |
| Weight Rating: | 5200 lbs - 7000 lbs Axle rating |
| Product Weight: | 10 lbs |
| Product Dimensions: | Inner Bearing: 44.45mm, Outer Bearing: 31.75mm, Wheel Seal: 57.15mm, Nut: 25.40mm |
| Compatible Parts: | Inner Bearing: 25580, Outer Bearing: 2475, National Seal 370219A |
| Warranty: | 1-Year Limited Warranty |
Description
Each unit is inspected for material integrity, surface finish, and runout prior to shipment. Professional installation and alignment are recommended. Backed by a 1-year limited warranty, this is a solid, service-friendly option for trailer shops and builders looking for a reliable Dexter trailer axle spindle replacement.
Whether you’re hauling equipment, running enclosed trailers, or pulling a small dump, solid spindles help with tracking, braking, and bearing life. Dependable, and easy to service Dexter-pattern spindles in the 5–7k class are the go-to choice for good reason.
Is this the right spindle for the job?
Trailer Compatibility – Parts List
This spindle is designed to fit the standard #42 spindle family used across most Dexter trailer axles in the 5.2K–7K range and used on select 7.2K/8K hubs.
Compatible hardware/parts include:
- Inner Bearing: 25580
- Outer Bearing: 2475
- Seal: National 370219A
Confirm on your trailer: pull the hub and read the numbers stamped on the bearing/race (cup).
If you’re still in doubt, contact us and we’ll help you find the right product.
5.2K-7K Trailer Spindle – Frequently Asked Questions
What trailers are compatible with this 5.2k-7k Trailer spindle?
This spindle fits most trailers equipped with Dexter-type #42 axles, commonly found on:
- Utility trailers
- Equipment haulers
- Car haulers
- Small flatbeds
- Dump trailers (light-duty)
Always verify your axle tag or bearing sizes during service to ensure correct fitment.
