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Rust is the biggest enemy of a trailer hub, especially when you’re launching into saltwater or towing in wet conditions. This DeeMaxx marine-grade hub uses durable galvanized steel to fight corrosion and keep its surface clean even after repeated exposure. It’s designed for long life on the water or the road, giving you steady performance without constant maintenance.
This hub is built to handle serious weight. It fits 7,000-lb trailer axles with #42 spindles and carries a 3,500-lb capacity per hub. The 8 on 6-1/2" bolt pattern and 1/2"-20 x 2-1/2" wheel studs make it ready for rugged duty with reliable holding power and smooth rotation mile after mile.
No need to press in your own races or worry about alignment. The inner (25520) and outer (14276) bearing races come pre-installed so setup stays quick and clean. Just add your 25580 inner bearing, 14125A outer bearing, GS-2250DL grease seal, grease cap, and lug nuts to finish the job.
Whether you’re running an idler axle or upgrading to disc brakes, this hub is ready. It can be used alone or paired with a 13" slip-on rotor for disc brake setups. The wheel studs are long enough to clear an over-the-hub brake rotor or thicker custom wheels, so you get a solid fit without any modifications.
From hauling boats to powering small equipment trailers, this galvanized hub keeps things simple and dependable. Its sturdy build and clean finish hold up against tough use, backed by a 3-year limited warranty for added peace of mind.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi there, I'm Michael with etrailer.com. Today we're gonna take a quick look at this DeeMax galvanized trailer idler hub. Now, this is a marine grade trailer hub assembly that's going to fit your 7,000 pound trailer idler axles with the number 42 spindles. You can also pair this with an over the hub 13 inch diameter rotor for your disc brake applications if you wanted to have brakes on your trailer. This galvanized steel construction is gonna be very durable and corrosion resistant, so it is gonna be great for your boat or snowmobile trailer. The wheel stud dimensions here are a half inch in diameter and they are two and a half inches long.
You can see we've got the eight half inch bolts in the eight on six and a half inch bolt pattern. So, having these long wheel studs is going to allow you to mount an over the hub brake rotor or a custom wheel with a thicker mounting face. The races are pre-installed, so you've got your inner and your outer race already installed there. You can see those part numbers on the screen there if you need those numbers. The bearings and the grease seal are sold separately.
You can see the compatible part numbers on the screen there as well. So, if you're wanting to put those in place, if you don't already have them, you can find them [email protected] using those part numbers that you see there. So, that completes our look for today. Again, I'm Michael with etrailer.com. Thanks for watching.
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Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews
Kate F.
9/14/2026
I am very sorry to hear that, Jonathan. Can you please respond directly to the email you receive with a picture showing the measurement you got? I would like to compare your measurement with the stock in the warehouse. Were you able to use the hub, or did the length make it not usable?
Kate F.
9/16/2026
Thank you for getting that picture to me Jonathan. I wanted to confirm with DeeMaxx that they do measure the standard way, and they do. It would be from under the stud head, or as Jesse from DeeMaxx put it, "We measure from the underside of the mushroom head to the end of the bolt.. Thats a common practice." Do you need a return label?
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Jason
5/12/2026
Follow-up 2-year post after my 1-year post. Paint is still tightly adhered. Hubs are working just fine. Grease does ease out the grease caps, but I think that is expected for hubs with grease fittings.