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Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 - Pre-Greased

Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 - Pre-Greased

Item # AKIHUB-655-6-K
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Our Price: $71.46
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Shipping Weight: 15 lbs
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Hub is designed for use on trailer idler axles. Fits 6,000-lb axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) 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 6,000-lb Axles - 6 on 5-1/2 - Pre-Greased part number AKIHUB-655-6-K can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (23)
  • Q & A (0)
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  • Why etrailer?

etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-655-6-K

  • 6 on 5-1/2 Inch
  • For 6000 lbs Axles
  • Hub
  • Pre-Greased
  • Standard
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 1/2 Inch Stud
  • 15123
  • 25580
  • etrailer

Hub is designed for use on trailer idler axles. Fits 6,000-lb axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) 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: 6,000-lb trailer axles with #42 spindles
    • Compatible with standard axles from most manufacturers, including Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 14" to 16-1/2"
  • Bolt pattern: 6 on 5-1/2"
  • Wheel stud dimensions: 1/2" diameter x 1-1/4" long
  • Grease cap flange diameter: 2.446"
  • Weight capacity: 3,000 lbs
  • Limited 1-year warranty

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 15123 (1.25" inner diameter)
  • Races (included)
    • Inner race: 25520
    • Outer race: 15245
  • Grease seal (included): GS2250DL
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

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-655-07-19 AxleTek Trailer Idler Hub Assembly for 6K Axle with Hardware - 6 on 5-1/2 - Pre Greased

Compare to Dexter 42655UC1

Customer Reviews

Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 - Pre-Greased - AKIHUB-655-6-K

Average Customer Rating:  4.6 out of 5 stars   (23 Customer Reviews)

Hub is designed for use on trailer idler axles. Fits 6,000-lb axles with #42 spindles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, and lug nuts included.


Great quality, great prices. I converted an old gooseneck trailer from the open center mobile home-style hubs to modern 6k hubs on a budget. These hubs fit in place of the old hubs on the rear axle, which I chose not to install brakes on.


Great service! Great products! Thanks!


All 6 arrived arrived. Will assemble and see how it works


I'm missing a spindle

I will have our customer service team reach out to you.
-- Etrailer Expert Jenny N - 02/15/2022


You are excellent thanks


I am very happy with Etrailer, Great service and delivery. Lots of information to help me get the hubs I needed to change over from mobile home wheels to standard 6 lug trailer wheels. Shipping was fast and I even received a phone call before they shipped, because the address they were sent to did not match the billing address.
Thanks etrailer, Gary B


We use etrailer for nearly every component of the custom trailers we fabricate. Great parts, great service and great prices.


Good Product easy to install. Use the assembly every day. No problems with it for over a year.


restoring an old trailer, these went on without a hitch.


The hubs replaced my old rusted ones perfectly. I selected two day shipping when I ordered on Saturday but I didn't receive the order until Wednesday. The box was damaged and one of the caps were damaged by the hub because of not enough packing material in the box.


Great fit and finish. Fitment is perfec t.

Still working with no problems
Kent B - 10/08/2020


perfect fit .easy install.they even looked up an old order almost two yrs to get part number for me


Everything exactly as advertised, excellent service, shipping, pricing, well pleased.


Great quality, very prompt delivery


All four still rolling after a year and multi salt water dunks


Great product killer service fast delivery


Unbeatable product and price


Fast shipping ,great service , pricing good







See what our Experts say about this etrailer Trailer Hubs and Drums

  • How to Select Correct Replacement Idler Hubs for Trailer
    When substituting new hubs you need to match several things: the axle capacity, the wheel bolt pattern and the bearing set used inside the hub. Bearing dimensions can be used instead of the bearing part numbers but the part numbers are the best way to ensure the new hub will fit properly on your spindles. Matching the inner and outer bearing numbers ensures compatibility. You can also measure your current hubs' outside-to-inside depth (the distance from the outer bore where a grease cap...
    view full answer...
  • What is Minimum Pilot Diameter Wheel the Hub # AKIHUB-655-6-K Requires
    The pilot diameter of the wheel that would fit on the # AKIHUB-655-6-K would need to be more than 3-1/8 inches as that is the outer diameter of the center section of the portion of the hub.
    view full answer...
  • Thread Pitch of Studs on Trailer Hub # AKIHUB-655-6-K
    The trailer hub part # AKIHUB-655-6-K that you referenced uses standard 1/2 inch trailer wheel studs like the part # 165981. This is a coarse thread (UNC) with a thread pitch of 1/2 inch x 13 threads.
    view full answer...
  • Replacing Hub And Drum Components On Mobile Home Axles
    Mobile home axles are designed for a one-time use and it is not recommended to use them for trailers. There is not a weight capacity listed for mobile home axles. A lot of folks do use them anyway but find that the hubs, and bearings and other components are really difficult to find. You would need to remove the hubs on the spindles and use a digital caliper like part # PTW80157 and measure the spindle where the inner and outer bearings ride to find the correct replacements. I have attached...
    view full answer...
  • Replacement Hub Assemblies For A 2007 Four Winns Trailer Axle
    I have a few hub and drum assembly options for you however, we currently do not offer an oil bath hub and drums that matches the specs you have provided. If you'd like to replace your oil bath hubs with a standard grease hub, I do have a few kits that will include everything you need to install new hubs, bearings, and grease seals on your trailer. I recommend using the Trailer Idler Hub Assembly for 6,000-lb Axles part # AKIHUB-655-6-K as this is our most cost effective kit we have available. You...
    view full answer...
  • Recommended Wheels and Tires for 6 on 5-1/2 Inch Idler Hubs
    The Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 - Pre-Greased # AKIHUB-655-6-K will work well with wheels like the Karrier ST225/75R15 Radial Trailer Tire w/ 15" Modular White Wheel - 6 on 5-1/2 - Load Range D # AM32673 each of which are rated for 2,540 lbs. You won't have any issues with speed on these as anything with that bolt pattern will be rated for highway speeds and the holding weight will be above what you need for the shipping container.
    view full answer...
  • Pilot Diameter for etrailer Hubs # AKIHUB-655-6-K and # AKIHUB-865-7-2-K
    There is no brake mounting flange on either the Trailer Idler Hub Assembly part # AKIHUB-655-6-K or part # AKIHUB-865-7-2-K. These simply mount onto the your spindle. If you are talking about the overall diameter of the plate that the bolts are installed on then part # AKIHUB-655-6-K measures about 7-1/4" and part # AKIHUB-865-7-2-K measures about 8-1/2". Part # AKIHUB-655-6-K has a 6 on 5-1/2" bolt pattern, is compatible with 16" to 18-1/2" wheels, and has a pilot diameter of 3-1/8" at...
    view full answer...
  • Replacement Trailer Hub Assembly That Uses Bearing Sizes 15123, and 25580
    The CE Smith Trailer Idler Hub Assembly # CE13611 will not fit your trailer with the hub bearings 15123 and 25580. Your hub bearings are most commonly found in 6,000lb axles and will require one of the following hubs. etrailer Trailer Idler Hub Assembly # AKIHUB-655-6-EZ-K for an EZ Lube axle etrailer Trailer Idler Hub Assembly # AKIHUB-655-6-K for a standard spindle Both of these hub assembly's will include new inner and outer bearings and races, lug nuts, grease caps, and a 2.25"...
    view full answer...
  • What Spindle Fits the Trailer Hub # AKIHUB-655-6-K
    I think you may be going about replacing your hubs backwards. The only way to do it is to first determine what spindle you have on the trailer and then find the correct hub to fit it by either using the bearing numbers or the dimensions of the spindle. The Trailer Idler Hub Assembly # AKIHUB-655-6-K would require a 42 spindle like the part # TRU37FR. This hub has 1.25 and 1.75 inches where the bearings ride. If you send me the info you find I can help you find the right part.
    view full answer...
    Image 1 for
  • Will Trailer Hub Assembly part # 42655UC1-EZ Fit a Spindle TRU57FR
    Yes, the Hub part # AKIHUB-655-6-K that you referenced is a fit for the spindle part # TRU57FR that you also referenced.
    view full answer...
  • How Many Hubs Come With Idle Hub Assembly # 42655UC1?
    The Dexter Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 # 42655UC1 is one hub, not the pair. If you are looking for the same size assembly at a more cost efficient price point, then I recommend the Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 # AKIHUB-655-6-K . This comes with the same bearings, races, seal and bolt pattern. I've also linked the page to all your hub options for this size. They all come as one hub per part number.
    view full answer...
  • How to Determine the Replacement Hubs for a 2002 Magic Tilt Trailer
    To determine what the correct replacement hubs are for your Magic Tilt trailer there is a little bit of information that we will need. We will need to find out inner diameter of both the Inner and Outer Bearings as well as the inner diameter of the Grease Seal. To ensure that your current wheels are compatible with the hub that you get you will need to make sure that you also have the appropriate bolt pattern on your hub. If you remove one of your current hubs you should be able to see...
    view full answer...
    Image 1 for
  • Recommended Trailer Idler Hubs and 15 Inch Wheels and Tires for Utility Trailer
    The Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 5-1/2 # AKIHUB-655-6-K is a confirmed fit for your spindle. I was able to confirm this hub assembly will fit as low as 14-1/2 inch rims, but since you are wanting more standard size, I strongly suggest 15 inch wheels and tires. I recommend the Provider ST205/75R15 Radial Trailer Tire with 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D # A15R6WSD. This combination will give you a load rating of 2150 lbs at 65 psi and a speed...
    view full answer...
  • Availability of Independent Suspension Trailer Axle Kit for Off-Road Trailer with 6 Lug Hub
    Sounds like you may be looking for an axle kit like the Timbren Axle-Less part # ASR35HDS02. This is a 3,500 lb axle setup that has a 4 inch lift built into it and is spaced out for off-road tires. For an idler hub that fits it with a 6 on 5-1/2 inch bolt pattern we have the part # AKIHUB-655-6-K.
    view full answer...
  • Recommended Upgraded Size Axle For My Single Axle Boat Trailer
    When upgrading your axle on your single axle boat trailer, I recommend The Dexter Trailer Axle w/ Electric Brakes - E-Z Lube - 6 on 5-1/2 Bolt Pattern - 86-1/2 inch - 6K # 8327826-EB. It is not recommended to put a higher capacity spindle on a lighter rated axle. The Dexter axle # 8327826-EB comes with everything you need including the brakes, the hubs and drums, and all the bearings and races. The axle has an underslung design and was made in the USA. You may also need to relocate the...
    view full answer...
  • Timbren 3,500 lb Axleless Kit Recommendation for Trailer with Lift Built In
    You can run tandem Timbren axles like the part # ASR35HDS02 which is set up for wider tires and also has a 4 inch lift built into it. For an idler hub for the idler axle you'd want the part # AKIHUB-655-6-K. For a brake hub you'd want the part # AKHD-655-6-EZ-K. The wheel and tire part # TA54VR has a matching bolt pattern and has a speed rating of 81 mph so this would be a great option.
    view full answer...
  • Which Hub Assembly is Compatible with the Agricultural Spindle # TRU34FR
    Although the outer bearing of the # AKIHUB-655-6-K hub assembly will fit, the inner bearing will be too large. Instead, you'll need the Complete Agricultural Hub Assembly, # AH30660FCOMP, which is designed to fit the agricultural spindle # TRU34FR. I've attached a couple of review videos for you to check out.
    view full answer...
  • Recommended Spindle, Idler Hub, Wheels and Tires For Homemade Cart Trailer Off Road Use Only
    We have the #42 Spindle # TRU57FR that you can weld to your trailer. It is a 2-1/4" round stub as we do not have any square stub spindles that are rated for over 2,500lbs per spindle. With these spindles you can use the Trailer Idler Hub Assembly # AKIHUB-655-6-K since you do not need a braking hub. The hub is 6 on 5-1/2" as the 5 lug wheels are not strong enough for the 10,000lb capacity that you are needing. The Taskmaster ST225/75D15 Bias Trailer Tire with 15" White Mod Wheel # TA42FR...
    view full answer...
  • Availability of 6K Idler Hub with 2.125 ID Grease Seals
    We don't offer the # AKIHUB-655-6-K hubs with the 2.125 inch ID grease seal, but the seals are available as a separate item as part # RG06-090 for a pair or individually as # GS-2125DL.
    view full answer...
  • Can Hub AKIHUB-655-6-K be Used in Place of Hub 8-213-5UC1
    You can use hub # AKIHUB-655-6-K provided that the larger seal is a proper fit for your spindle. The smaller one included with hub # 8-213-5UC1 would provide a tighter fit but if your current seal inner diameter is 2-1/4 inches then hub # AKIHUB-655-6-K will be fine. If it is smaller then the larger seal would cause grease to leak out.
    view full answer...
  • Dexter Axle Hub Conversion for 14.5 Inch or 15 Inch Wheels on Equipment Trailer
    Thanks for the information on your trailer. For your axle with brakes I recommend the Trailer Hub and Drum Assembly - 5,200-lb and 6,000-lb E-Z Lube Axles - 12" - 6 on 5-1/2 # AKHD-655-6-EZ-K if you have the spindles with the integrated grease zerk. If you have standard spindles, I recommend # AKHD-655-6-K which have the standard grease cap instead. These assemblies will fit perfectly with your axles based on the bearing and seal information you gave as well as 14.5 inch wheels. Then...
    view full answer...
  • Idler Hub with 6 on 5-1/2 inch Bolt Pattern Recommendation for Timbren System # ASR35HDS02
    I have a solution for you, but the # 84655UC1-EZ will not fit on the spindles of the # ASR35HDS02. For a similar idler hub that is confirmed to fit you would want the # AKIHUB-655-6-K. This is an idler hub with the same bolt pattern that will fit the spindles of the Timbren.
    view full answer...
  • Replacement Bearings 2788 and 1779
    Bearing # 2788 has an inner diameter of 1.50-inches and fits race # 2729. Bearing # 1779 has an inner diameter of 0.938-inches and fits race # 1729. We do offer all of these bearing and race parts and if you wish you can install new bearings in your current hubs. The idler hub you referenced, part # AKIHUB-655-6-K, uses different bearings that have different dimensions. The bearings in this hub are inner bearing # 25580 (1.75-inch inner diameter) and outer bearing # 15123 (1.25-inch inner...
    view full answer...
    Image 1 for
  • 3,500 lb Timbren Setup Recommendation for Off-Road Wheels and Tires
    For a wheel and tire that big your best option would be the Timbren kit part # ASR35HDS02 which is set up for wider tires and also has a 4 inch lift built into it. This is the same 3,500 lb capacity though. That being said we can only safely recommend using trailer rated wheels and tires wit this kit. For just a hub without a drum you would want the part # AKIHUB-655-6-K.
    view full answer...

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