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Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5

Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5

Item # AKIHUB-550-35-EZ-K
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Trailer Hubs and Drums AKIHUB-550-35-EZ-K - L68149 - etrailer
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Hub is designed for use on trailer idler axles. Fits 3,500-lb E-Z Lube 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 E-Z Lube Axles - 5 on 5 part number AKIHUB-550-35-EZ-K can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (16)
  • Q & A (16)
  • Videos (2)
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etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-550-35-EZ-K

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

Hub is designed for use on trailer idler axles. Fits 3,500-lb E-Z Lube 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
  • E-Z Lube-compatible grease cap makes lubricating bearings fast and easy
    • Remove rubber plug to access zerk fitting on spindle - no need to disassemble hub
  • Sturdy iron construction
  • Zinc-enriched paint finish
  • QAI and CSA certified


  • Application: 3,500-lb E-Z Lube trailer axles with #84 spindles
    • Compatible with standard axles from most manufacturers, including AxleTek, Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 14" to 17-1/2"
  • Bolt pattern: 5 on 5"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Grease cap flange diameter: 1.99"
  • 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"

E-Z Lube-Compatible Assembly for Simple Lubrication

The grease cap on this hub is specially designed to work with your Dexter E-Z Lube axle to make lubricating bearings quick and easy. Just remove the plug on the grease cap, attach a grease gun to the zerk fitting on the end of the spindle, and inject the grease. It will flow easily to both inner and outer bearings. Not only does this make lubricating the bearings easy, but it also helps to prevent corrosion of the hub. This is because you can lubricate the bearings without the mess of taking apart the entire assembly.

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"

H-550-07 AxleTek Trailer Idler Hub Assembly for 3.5K Axle with Hardware - 5 on 5 - EZ Lube

Compare to Dexter 84550UC1-EZ

Customer Reviews

Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5 - AKIHUB-550-35-EZ-K

Average Customer Rating:  4.7 out of 5 stars   (16 Customer Reviews)

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

- AKIHUB-550-35-EZ-K

On time and good hub 777198

- AKIHUB-550-35-EZ-K

Everything went together easily and fit just like it should. No issues on a 600 mile round trip at interstate speeds towing 5000 pounds on a dual axle trailer. 747401

- AKIHUB-550-35-EZ-K

These hubs worked perfectly. I purchased to replace the originals that came on a Carson flatbed utility trailer. Fit perfect. Installed easily. They were on my doorstep in two days. etrailer will be my go to shop for any trailer needs. 739626

- AKIHUB-550-35-EZ-K

Quick two day delivery! Good quality part (made in China) and an easy, cost effective way to replace damaged or worn out bearings and races. Just add grease and press in the seal! Just completed a 500+ mile trip with trailer and street bike in tow and had no issues. 719817

- AKIHUB-550-35-EZ-K

It arrived really quick looks to be really good quality and the great price 679128

- AKIHUB-550-35-EZ-K

Great price, super fast delivery, and everything needed to repair my trailer worked perfectly! 658027

- AKIHUB-550-35-EZ-K

Fit and works like factory 604986

Doing great best hubs Ive put on a trailer
robert g - 02/15/2020


- AKIHUB-550-35-EZ-K

Thanks to Ashley E I got my hub yesterday. It work as great. The other hub is o it's way back to yall. Thanks so much!!! 567897

- AKIHUB-550-35-EZ-K

For where I live this hub was very difficult to find, I found it on your website very easily and the price was great. I ordered your item ground shipping and you went above that and sent it speedily. I will be ordering from you again for parts for my trailer. I had an amazing experience with your business. Thank you... 516827

- AKIHUB-550-35-EZ-K

Exactly as pictured. I can't comment on fitment as I did not buy it to use at this time but rather as a spare to have with me on a long trip. I opened it and checked everything and it appears well made. The only reason for four stars and not five is the bearings are not pre-loaded with grease but rather shipped dry. This is not a big deal as I always have the grease gun with me but I would have preferred them to have had grease in them and sealed for rust protection but I'll just grease them and put them in a zip lock bag, I''ll also put a little grease inside the Hub for rust protection. 499275

They are kind of like a spare tire, you dont use it or need it until you do. Mine is packed and sealed up ready for the roadside fix I hope never comes.
Robert - 04/22/2019


- AKIHUB-550-35-EZ-K

Received the parts within 3 day and installed the following day with no problems. 453318

- AKIHUB-550-35-EZ-K

1 of 4 bearings blew out, had to replace hub. Replaced all bearing after that. Great price, you get what you pay for. 370505

- AKIHUB-550-35-EZ-K


- AKIHUB-550-35-EZ-K

Item shipped quickly, very complete, fit well, easy install. 333520

- AKIHUB-550-35-EZ-K

I had the opportunity to deal with a few sales consultants on an issue I had with a broken hub. After a few phone calls and emails, they were able to send me the parts that I wanted. I sent the consultants multiple photographs with measurements. These photographs were uploaded to my account for future reference. I was very pleased with the experience, as I had never utilized etrailer prior to this order. I highly recommend etrailer! 309350

- AKIHUB-550-35-EZ-K

Always happy with etrailer products, speedy shipping, customer service and great prices!! Thank you Larru 285266


Ask the Experts about this etrailer Trailer Hubs and Drums

  • Hubs with 5 on 5 Bolt Pattern that Will Fit a Timbren Axle-Less Suspension System
    There are Timbren axle-less suspension systems that do not come with hubs so that you could add your own such as # AKIHUB-550-35-EZ-K. But the hubs with 5 on 5 bolt patterns that would also fit a Timbren system only accept up to 15 inch wheels. The other issue is that vehicle wheels are not meant to be used on trailers and often have an offset (mounting surface of wheel not in the dead center of the wheel) whereas most trailers take wheels with a zero offset. With that said the hub listed...
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  • Recommended Replacement 3,500 lb Axle for Carson Trailer with 88" Hub-Face and 74" Spring-Center
    We do have a replacement 3,500 lb axle for your Carlson trailer as well as hubs that fit your description. The axles that we carry have an 89" hub-face and 74" spring-center measurements so since the hub-face dimensions are only 1" off of what you measured these will work well for your application. I'm pretty sure that your axle has the 89" hub-face measurement as that is extremely common (and measuring the hub-face is a little difficult) but even if our axle hub-face is 1" wider there...
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  • Timbren Axle-Less Suspension System Compatible with Jeep for Matching Trailer
    For the Timbren Axle-Less kit compatible with the bolt pattern of 5 on 5 like a Jeep, you would need the 2,200 lb capacity # ASR1THDS03. The spindles on the Timbren system are a little larger than their thru-axle counterparts, so the 3,500 lbs # ASR3500S06 will only fit larger hubs that won't have the bolt pattern you seek. Using # ASR1THDS03, you can then use the Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5 # AKIHUB-550-35-EZ-K or the Trailer Hub and Drum Assembly...
    view full answer...
  • Recommended Timbren Axle-Less Suspension with 4 Inch Lift and 5 on 5 Bolt Pattern for Jeep Trailer
    The Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle - Regular Tires - 3,500 lbs # ASR3500S06 is what you would want to start. If you will be using off-road or wide tires, then you will want # ASR35HDS02 instead. Then you will use hubs that have the # L68149 inner bearing and # L44649 outer bearing. For your 5 on 5 bolt pattern I recommend the Dexter Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5 - Pre-Greased # 84550UC1-EZ or the etrailer.com # AKIHUB-550-35-EZ-K....
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  • Parts Needed to Replace a 3,500 lb Axle with 5 on 5 Inch Hubs
    I do have an option for you but we do not have a standard straight axle in the 59-1/2" spring center and 73-1/2" hub face measurements that you provided. Instead, I recommend taking a look at the Timbren Axle-Less Trailer Suspension System part # ASR3500S05 with the Trailer Idler Hub Assembly part # AKIHUB-550-35-EZ-K. This system will actually replace the axle and suspension with a system that uses rubber aeon springs that will both minimize road shock and improve the trailer's ability...
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  • How to Use Jeep Wheels with a Timbren Axle-Less Trailer Suspension System
    I do have an option for you but we do not offer a trailer hub with 5 on 5" bolt pattern that will fit the Timbren Heavy-Duty Axle-Less Trailer Suspension part # ASR35HDS02 or part # TASR5200S03. Instead, you will want to use the Timbren Axle-Less Trailer Suspension System part # ASR3500S06 with the Trailer Idler Hub Assembly part # AKIHUB-550-35-EZ-K as this will allow for the 4" lift with 5 on 5" bolt pattern. I have attached a photo of the tire clearance dimensions for the Timbren...
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  • Replacement Hubs and U-Bolt Kit for 3,500 Pound Lippert Axle # LC35212150
    From my research your axle is a 3,500 pound, 2-3/8 inch diameter axle and since you have a 5 on 5 bolt pattern you likely have bearings # L44649 and # L68149. You'll want to verify this is correct with your current bearings. If this is the case for a hub and drum assembly I recommend # AKHD-550-35-EZ-K which is for E-Z Lube axles with a zerk fitting. If you have standard axles use # AKHD-550-35-K instead. If you only need idler hubs use # AKIHUB-550-35-EZ-K with E-Z Lube axles and...
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  • How To Use 2018 Jeep Wrangler Wheels On a M416 Military Trailer
    The 2018 Jeep Wrangler JL has wheels which use a 5 on 5" bolt pattern. Therefore, in order to transfer these wheels to a trailer you'll need to obtain hubs with this bolt pattern. I do have options for this but they are only available for 3,500 lbs axles. The majority of military trailers don't use these standard axles so the only way to really install the wheels you want is with a new axle, the Timbren Axle-Less Trailer Suspension part # ASR1THDS01 which also has the needed clearance...
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  • Recommended Axle To Use Off-Road Jeep Wheels/Tire On Trailer
    I have the perfect axle and hub setup for you to use off-road wheel and tires on a trailer, the Timbren Axle-Less Trailer Suspension System part # ASR1THDS03 with the Trailer Idler Hub Assembly part # AKIHUB-550-35-EZ-K. This setup has an integrated lift which you'll want if taking the trailer off-road, an extended spindle arm so you can clear larger tires, and it will come with hubs which have the 5 on 5" bolt pattern. The only advice I have would be to mount the axle and wheels/tires...
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  • 2,000 lb Timbren Heavy-Duty Axle-Less Trailer Suspension With 5 on 5 Inch Bolt Pattern
    There isn't a 5 on 5" hub that comes together with the Timbren Heavy-Duty Axle-Less Trailer Suspension # ASR2KHDS05, so you will need to get the system and hubs separately. What you will need are: - Timbren Heavy-Duty Axle-Less Trailer Suspension - 4" Drop Spindle - Regular Tires - 2,000 lbs # ASR2KHDS05 - Trailer Idler Hub Assembly for 3,500-lb E-Z Lube Axles - 5 on 5" # AKIHUB-550-35-EZ-K Since the Timbrens use E-Z Lube spindles you will want to use the E-Z Lube hubs. I have added...
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  • Differences Between Trailer Idler Hubs With a 5 on 5" Bolt Pattern
    Each of the trailer idler hubs with a 5 on 5" bolt pattern are a fit for 3,500 lb axles and use inner bearing # L68149 (1.378" inner diameter), outer bearing # L44649 (1.063" inner diameter), and grease seal # 58846 (1.719" inner diameter) so you will want to make sure those are the correct bearings and seal for you. You can do this by taking apart your current hub and looking at the bearing numbers, or by using Digital Caliper # 301-17068 and measure your spindle to the thousandths...
    view full answer...
  • What Axle Fits 3,500 lb Trailer Hub part # # AKIHUB-550-35-EZ-K with 5 on 5 inch Bolt Pattern
    The hub you ordered is the part # AKIHUB-550-35-EZ-K which fits a 3,500 lb axle. So for a similar length axle that fits the hub you ordered you'd need the part # T3584F-EZ-8974 instead. Dimensionally the axles are the same so if the # 8327820 was correct size so would the # T3584F-EZ-8974.
    view full answer...
  • Best Replacement Axle Option for Military Trailer Using Off-Road Tires
    There are two options to replace the axle on a military trailer, you can have a custom axle made or you can go with an axle-less kit. The custom axle option would get pricey and you really don't have the ability to use larger tires without compensating for this when having the axle built. This option keep in mind would require new hangers to be welded as well as leaf springs. Therefore, the best option is going to be the Timbren Axle-Less Trailer Suspension System which is also the one...
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  • Trailer Hub with 5 on 5 Bolt Pattern to Use with Timbren Axle-Less System # ASR2KHDS03
    You sure can! To use with the Timbren Heavy-Duty Axle-Less Trailer Suspension System # AKHD-550-35-EZ-K I recommend the etrailer.com # AKHD-550-35-EZ-K for a hub and drum assembly or # AKIHUB-550-35-EZ-K for an idler model (if you won't be adding brakes). Both options will fit the spindles of the Timbren system perfectly and provide the needed 5 on 5 inch bolt pattern. If you are adding brake assemblies I recommend the etrailer.com Self-Adjusting Electric Brake Kit # AKEBRK-35-SA,...
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  • Axle-Less Trailer Suspension Recommendation for a Military Trailer Using 5 on 5" Bolt Pattern Wheels
    The Timbren Axle-Less systems are definitely the way to go and are right where my mind went when I was reading your question. For your application you'll need a system rated for 3,500 lbs. If you need something with a higher weight rating let me know. I have linked our selection of 3,500 lb systems that you can filter through but you should just be able to use the straight spindle system # ASR3500S05 that doesn't have any kind of lift or drop. When it comes to a hub with a 5 on 5"...
    view full answer...
  • Availability of 5 on 5" Bolt Pattern Hubs for Timbren 2,000 Pound Axle-Less System
    Trailer hubs are definitely designed to fit specific spindles, so not every hub will work with every spindle. Most of the fit has to do with the size of the inner bearing, outer bearing, and grease seal on the hub, as these components are what will fit around the various outer diameters of the spindle. The Timbren Axle-Less Trailer Suspension System # A20RS545 features spindles that are designed to accept hubs that use the # L44649 (1.063" inner diameter) inner and outer bearing and...
    view full answer...

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Info for this part was:

Edited by:
Lindsey S
Installed by:
Jeff D
Installed by:
David F
Video Edited:
Jacob T
Video by:
Dustin K
Written by:
Alexander C

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