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Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-3/4 - Pre-Greased

Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-3/4 - Pre-Greased

Item # AKIHUB-5475-35-K
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Our Price: $39.33
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Shipping Weight: 8 lbs
AKIHUB-5475-35-K - L44649 etrailer Trailer Hubs and Drums
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Hub is designed for use on trailer idler axles. Fits 3,500-lb axles with #84 spindles. Inner bearing (L68149) and race, outer bearing (L44649) and race, grease seal, grease cap, and lug nuts included. Lowest Prices for the best trailer hubs and drums from etrailer. Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-3/4 - Pre-Greased part number AKIHUB-5475-35-K can be ordered online at etrailer.com or call 800-298-1624 for expert service.
  • All Info
  • Reviews (23)
  • Q & A (7)
  • Photos
  • Why etrailer?

etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-5475-35-K

  • 5 on 4-3/4 Inch
  • For 3500 lbs Axles
  • Hub
  • Standard
  • 13 Inch Wheel
  • 14 Inch Wheel
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • etrailer
  • L44649
  • L68149
  • 1/2 Inch Stud

Hub is designed for use on trailer idler axles. Fits 3,500-lb axles with #84 spindles. Inner bearing (L68149) and race, outer bearing (L44649) and race, grease seal, grease cap, and lug nuts included.


  • Trailer hub assembly fits idler axles
    • Bearings, races, seal, grease cap, and lug nuts are included
  • Sturdy iron construction
  • Zinc-enriched paint finish
  • Pre-greased idler hub is easy to install - no need to pack bearings
    • Lithium complex, multipurpose grease keeps bearings lubricated
  • QAI and CSA certified


  • Application: 3,500-lb trailer axles with #84 spindles
    • Compatible with standard axles from most manufacturers, including AxleTek, Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 13" to 15"
  • Bolt pattern: 5 on 4-3/4"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Grease cap flange diameter: 1.988"
  • Weight capacity: 1,750 lbs
  • Limited 1-year warranty

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: L68149 (1.378" inner diameter)
    • Outer bearing: L44649 (1.063" inner diameter)
  • Races (included)
    • Inner race: L68111
    • Outer race: L44610
  • Grease seal (included): 58846
    • Inner diameter: 1.719"
    • Outer diameter: 2.565"

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

KH-5475-07-19 AxleTek Trailer Idler Hub Assembly for 3.5K Axle with Hardware - 5 on 4-3/4 - Pre Greased

Compare to Dexter 845475UC1

Customer Reviews

Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-3/4 - Pre-Greased - AKIHUB-5475-35-K

Average Customer Rating:  5.0 out of 5 stars   (23 Customer Reviews)

Hub is designed for use on trailer idler axles. Fits 3,500-lb axles with #84 spindles. Inner bearing (L68149) and race, outer bearing (L44649) and race, grease seal, grease cap, and lug nuts included.

- AKIHUB-5475-35-K

my bearing went out on my trailer and ruined my hub . I have an older trailer I got a great deal on. my hub is a 5 on 4 3/4 which is hard to find in stores. but they could order it. for a price to high would take to long. and the guy I talked to just didn't. seem enthused to do it. he never did call me back. but through my own research i found trailer and I am completely satisfied. great product and easy to install. and the price awesome. cheaper than anyone. you will be getting my business from now on. In including some pics.

- AKIHUB-5475-35-K

The hub assembly I purchased from etrailer was a perfect fit for my trailer. It has functioned and held up well on the trailer. There have been no problems. Will purchase products again from etrailer.

It has been a year now since I purchased the hub assembly. I have logged over 1,000 loaded miles. I have not had any problems. Good product at reasonable price.
Pat A - 04/12/2020

- AKIHUB-5475-35-K

I converted an old drum brake axle into an idler using your parts. It was quick and easy, a direct fit. I will be using you guys again.

- AKIHUB-5475-35-K

I recently ordered two idler hubs a rim and tire to repair an older trailer I'm trying to make road worthy again. The hubs were for a #3500 Lb Dexter axle. I went with the cheaper hubs and while they are most likely imported the hubs were machined well and fit with no issues. the E-Trailer website was easy to use and really helpful when I was trying to determine what type of bolt pattern I had. Thanks!

I havent used the trailer much, but I havent had any issues with any of the products I purchased.
Jeff J - 10/26/2017

- AKIHUB-5475-35-K

- AKIHUB-5475-35-K

- AKIHUB-5475-35-K

Everything fit good and has worked great. Ordering was easy and shipping was fast. I will order from etrailer.com again.

- AKIHUB-5475-35-K

Perfect fit. Been a year and still looking and working great

- AKIHUB-5475-35-K

This company went beyond the word customer service. Great company... will order from again and again

- AKIHUB-5475-35-K

It was what I needed.

- AKIHUB-5475-35-K

Perfect fit, easy installation.

- AKIHUB-5475-35-K

They worked great

- AKIHUB-5475-35-K

Great service! Thank you for helping me with ordering the right hub assembly and getting the part to me so fast. I ordered a 5 bolt on 4 3/4 spacing. I couldn't find this part anywhere. The part worked great.

- AKIHUB-5475-35-K

Fast delivery, Great product, Easy inst illation.

John L - 02/16/2018

- AKIHUB-5475-35-K

Part is heavy duty and comes with all parts to replace old hub.

- AKIHUB-5475-35-K

Quick shipping and excellent communicat ion.

- AKIHUB-5475-35-K


- AKIHUB-5475-35-K

great parts-great price- great service- the parts are always exactly what I need.

- AKIHUB-5475-35-K

parts fit great and just what I wanted

- AKIHUB-5475-35-K

Excellent experience!!

- AKIHUB-5475-35-K

Right parts at the right price delivered fast............

- AKIHUB-5475-35-K

They work.

- AKIHUB-5475-35-K

Just plain nice


Ask the Experts about this etrailer Trailer Hubs and Drums

  • How to Determine Correct Idler Hub Assembly for Trailer With 3,500 lb Axles
    It is likely you can use the Trailer Idler Hub Assembly for 3,500 lb Axles # AKIHUB-5475-35-K as it has the most common bearing and seal for 3,500 lb axles, but you'll need to verify this as we don't have any way of knowing the exact hubs that are on your trailer. To determine if this is the right hub, you will need to take apart your current hub assembly and look at the bearings themselves; wipe away the grease and you should be able to see the part number stamped directly on them....
    view full answer...
    Image 1 for
  • Recommended Hubs and Axle for 1984 Skipper Boat Trailer with 5 on 4-3/4 Inch Bolt Pattern
    Based on your bolt pattern, you will want the Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-3/4 # AKIHUB-5475-35-K. Then for your axles, you will want the Timbren Axle-Less Trailer Suspension System - Straight Spindle Only - 3,500 lbs # ASR3500S05. This will replace your leaf springs and thru-axle. You will simply need to add a 2 inch square tube to the integrated holes of the assemblies cut to the custom length for the width of your trailer. I've attached videos to assist....
    view full answer...
  • Bolt Pattern Referred To In Hub and Wheel Fit
    Good question. The 5 on 4-3/4 inch and other numbers in that format refer to the location of the lug bolts that the trailer wheels need to match for fit. The stud length has nothing to do with that bolt pattern number nor the diameter of the lug bolt. I've attached an article to help further.
    view full answer...
    Image 1 for
  • Locating Replacement Hubs that Use Same Inner and Outer Bearing
    In order to locate the correct replacement hub assembly for your trailer, you will want to determine what bearing numbers are used on your existing hubs. These numbers should be stamped right inside the bearings themselves. If you cannot locate these numbers, you can also take a few measurements along the spindle using the attached image as a template. You did mention that the inner and outer bearings on your trailer are the same size, but you will still want to determine their specific...
    view full answer...
    Image 1 for
  • Hub Recommendaiton for Trailer with 5 on 4-3/4 inch Bolt Pattern
    We do have hubs that have the 5 on 4-3/4 inch bolt pattern you mentioned for a 3,500 lb trailer axle like the etrailer.com hub part # AKIHUB-5475-35-K. You'd need to verify that you axles are 3,500 lb axles though to know if this hub will fit. Typically the capacity is listed on the axle or on the VIN plate up near the coupler.
    view full answer...
  • Hubs for 3,500 lb Axle with 5 on 4-3/4 inch Bolt Pattern
    Actually the only difference between EZ lube hubs and non-EZ lube hubs is the grease cap that comes with the hub. What capacity axle do you have and what wheel bolt pattern?
    view full answer...
  • Spindle for Trailer to Use with Hub that has 5 on 4-3/4 inch Bolt Pattern
    To install a hub with a 5 on 4-3/4 inch bolt pattern like the part # AKIHUB-5475-35-K that you referenced you'd have to go to a different spindle on your trailer axle as there isn't a sleeve adapter of any kind for this type of situation. For a spindle you'd want the part # TRU24FR. You'd need to find someone with experience installing spindles as it's a precision job.
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee David F
Installed by:
David F
Employee Jameson C
Expert Research:
Jameson C
Employee Dustin K
Video by:
Dustin K
Employee Alexander C
Written by:
Alexander C

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