Will The TRU37FR Spindle And The AKIHUB-865-7-2-EZ-K Idler Hub Work Together?

Updated 12/15/2025 | Published 12/12/2025

Products Featured in This Question

Easy Grease Trailer Idler Hub Assembly for 7,000-lb E-Z Lube Axles - 8 on 6-1/2 - Pre-Greased

(1048)

$88.90

#42 E-Z Lube Spindle w/ Flange for 5.2K to 7K Trailer Axles - 2-1/4" Diameter

(111)

$88.88

Question:

Hi, Im looking for confirmation that the spindle TRU37FR will properly mate with the hub AKIHUB-865-7-2-EZ-K . Additionally, is there any way that I can get a .STEP file or detailed drawing for these parts? Thanks!

asked by: Ashton M

Expert Reply:

Hey Ashton,

They #42 spindle # TRU37FR and the idler hub # AKIHUB-865-7-2-EZ-K are going to work well together. The idler hub is designed specifically for that #42 spindle. Unfortunately we do not have any .STEP files for these parts, just the photos we have on the site.

What kind of trailer are you looking to do the work on?

expert reply by: Nick S

Ashton M.

12/12/2025

Hi Nick, I am actually working on designing a fixture/trailer for one of our manufacturing plants. Thanks for verifying that these parts will work together!

Ashton M.

12/12/2025

I should be able to get most of my work done with the dimensions. Can you find the shaft diameters on # TRU37FR? I saw another expert gave the lengths. Thanks!

Nick S.

12/12/2025

@AshtonM The diameter of the shaft, behind the backing plate is going to be 2.25". I am glad you were able to find the lengths needed. What are you designing the trailers to be used for?

Ashton M.

12/15/2025

@NickS Thanks for the info! The trailer will only be used inside the plant and at low speeds to transport some of our large parts.

Nick S.

12/15/2025

@AshtonM Awesome! That is a cool unique application. You'll have to let me know how they turn out.