Trailer Hub Kits 6 Bolt 5.5 for 6000 lbs Trailer Axle - Durable Fit

In this review of the Trailer Hub Kits 6 Bolt 5.5 for 6000 lbs trailer axle, the bottom line is straightforward: this kit is aimed at DIY trailer owners and small fleet operators who need a rugged, value-oriented idler hub that fits #42 straight spindles. The reviewer found the biggest reason to buy is the complete, ready-to-install package with bearings, races, grease seal and EZ lube cap included, which removes guesswork and saves time when replacing a worn hub on a 5200-6000 lb axle.

Key Features

• Complete kit: Bearings, races, grease seal and a 2.44 in EZ lube grease cap are included so installation is more straightforward and fewer missing parts slow the job.
• 6 on 5.5 bolt pattern: The 6-bolt 5.5 in pattern with 1/2 in-20 thread studs and nuts installed fits common 6-lug trailer wheels for wide compatibility.
• #42 spindle compatibility: Designed for #42 straight spindles, the hub is appropriate for many 5200-6000 lb trailer axle setups and simplifies parts matching.
• Sealed design: Double lips and a coated wheel hub surface improve rust resistance and help keep grease in and contaminants out for longer service life.
• Preinstalled races: Inner 25580/25520 and outer 15123/15245 cone bearings have races preinstalled which speeds assembly and reduces shop time.

Who It's For

This hub kit suits owners of boat trailers, utility trailers and equipment trailers rated around 5200-6000 lbs who need a reliable idler hub replacement and prefer a mostly plug-and-play solution. It is especially useful for those who want a kit with the matching bearings, seals and EZ lube cap already included.

Those who should look elsewhere include owners with tapered spindles or electric brake assemblies, because the kit fits straight spindles only and is described as an idler (non-brake) hub. Also check exact bearing numbers against your axle if you have an uncommon spindle variation.

Pros & Cons

Pros

• Complete, ready-to-install kit reduces parts sourcing and installation time.
• Durable chrome steel construction with coating and double lips improves sealing and corrosion resistance.
• Broad compatibility with 6 on 5.5 in wheels and #42 straight spindles common on 5200-6000 lb axles.

Cons

• Not suitable for tapered spindles or hubs with integrated electric brakes, limiting applications.
• Some customers reported mixed assembly and bearing fit quality, so careful inspection at installation is advised.

Specifications

Brand	JADODE
Bolt pattern	6 on 5.5 in
Spindle fit	#42 straight spindle
Bearing set	Inner 25580 / 25520, Outer 15123 / 15245
Grease seal	2.25 in x 3.371 in
Grease cap	2.44 in EZ lube
Rated axle range	5200-6000 lbs

Our Verdict

The Trailer Hub Kits 6 Bolt 5.5 is a practical, cost-effective idler hub kit for owners who need a straightforward replacement for #42 straight spindles on 5200-6000 lb trailers. It delivers good value by including bearings, races, seals and an EZ lube cap, though buyers should inspect parts on arrival for fit and note it is not for tapered spindles or brake hubs.

Frequently Asked Questions

Does this hub work with electric brake assemblies?
No. This kit is an idler hub designed for non-brake applications and fits straight spindles only.

Which bearings are included?
The kit includes inner cone bearings 25580 / 25520 and outer cone bearings 15123 / 15245 with races preinstalled.

What bolt pattern and stud size does it use?
It uses a 6 on 5.5 in bolt pattern with 1/2 in-20 thread studs and nuts installed.