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Your idler hub is worn and the wheel has play in it. You replace it with this hub with a 5 on 5 bolt pattern for a 3,500 lb axle. It slides on easily, and pre-greased bearings get the wheel spinning smooth again.
Designed for standard 3,500 lb axle spindles, this hub works with many utility and cargo trailers. Matching your bearing sizes is the easiest way to confirm it will fit your setup.
This is an idler hub, meaning it does not include a drum or braking surface. It is used on trailer axles without brakes, allowing the wheel to spin freely while supporting the load.
Bearings come packed with grease and races are already installed, reducing prep work and helping ensure proper lubrication during installation.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everyone. Steve here with etrailer.com. Today we're taking a look at the Terran Industries trailer idler hub assembly for 3,500-pound axles, and it's a five on five lug pattern. So folks, again, a complete hub replacement. Great to have if you're just wanting to keep an extra one as a spare, possibly, in your toolbox, or to change out one where something went wrong. And includes pre-matched inner and outer bearings, the grease seal, the dust cap with plug for straightforward installation.
Now, as I mentioned, this is a five on five lug, and the way you would do that is on an odd pattern, you would measure from the center of one stud directly across in between the center of the two adjacent studs. In this case, you're gonna get exactly five inches. So make sure you're checking, especially if it's an odd lug pattern, to be sure you're getting the right one the first time. Now this is durable, designed to handle up to 3,500 pounds for dependable trailer performance, and it does come pre-greased as far as that back bearing and the seal. So that's your inner bearing and your seal.
And then of course, your outer bearing here, you would just grease up, put it in place, slide the hub on, and then of course, you have your grease cap with the rubber plug, again, for those EZ Lube spindles or easy grease trailer axles. Typically this is gonna fit a 14 to 15-inch wheel size. The studs are 1/2 inch, and of course you have the lug nuts as well. So everything here has been precision machined, giving you a secure fit. It has a corrosion resistant finish to help prevent rust and ensure longevity for you.
And the pre-greased bearing is gonna help speed things up for whenever you're putting everything together. Well, folks, that is gonna wrap it up for our quick look together at this Terran Industries trailer idler hub assembly for 3,500-pound axles, a five on five lug pattern. I'm Steven. Thanks for watching.
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Lazer S.
1/27/2026
Glad it fit, Paul! Looks like your cat will miss the old hub though. : P What kind of trailer did you install this on? Or is it for a different application?