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Replacement Idler Hub for 3,500 lb Square Axle with 5 on 4-1/2 Bolt Pattern  

Published 09/28/2023

Question:

Trailer bearings went out destroyed hub and now I cant figure out what hub I need. Single axle square tube 5x4.5 lug I took pics of the measurements. Thanks for any help

1

Helpful Expert Reply:

The bearings on your trailer match a 3,500 lb axle and the Easy Grease Trailer Idler Hub Assembly # AKIHUB-545-35-G-EZ-K, but your grease seal is significantly smaller as this hub uses a grease seal with a 1.719" inner diameter.

If you can verify that your grease seal inner diameter needs to be 1.6275" then you're looking for a specialty-type hub replacement and you'll need to reach out to your local RV dealer or trailer shop to help you with that, otherwise the idler hub I mentioned above will be what you're needing.

expert reply by:
1
Jon G
Inner Bearing Measurement
Inner Bearing Measurement
(click to enlarge)
Grease Seal Measurement
Grease Seal Measurement
(click to enlarge)
Outer Bearing Measurement
Outer Bearing Measurement
(click to enlarge)
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In-Depth Review of the Easy Grease Trailer Idler Hub Assembly for 3.5K Axles
In-Depth Review of the Easy Grease Trailer Idler Hub Assembly for 3.5K Axles - Video
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