Dexter Trailer Idler Hub Assembly for 5,200-lb to 7,000-lb E-Z Lube Axles - 8 on 6-1/2

Dexter Trailer Idler Hub Assembly for 5,200-lb to 7,000-lb E-Z Lube Axles - 8 on 6-1/2

Item # 8-231-9UC1-EZ

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Dexter Axle Hub - 8-231-9UC1-EZ
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  • 8 on 6-1/2 Inch
  • For 5200 lbs Axles
  • For 6000 lbs Axles
  • For 7000 lbs Axles
  • Hub
  • EZ Lube
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 17 Inch Wheel
  • 17-1/2 Inch Wheel
  • 25580
  • Dexter Axle
  • 14125A
  • 1/2 Inch Stud
Hub is designed for use on trailer idler axles. Fits 5,200-lb to 7,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, wheel bolts, and lug nuts included. Lowest Prices for the best trailer hubs and drums from Dexter Axle. Dexter Trailer Idler Hub Assembly for 5,200-lb to 7,000-lb E-Z Lube Axles - 8 on 6-1/2 part number 8-231-9UC1-EZ can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (5)
  • Q & A (14)
  • Videos (1)
  • Photos
  • Why etrailer?

Dexter Axle Trailer Hubs and Drums - 8-231-9UC1-EZ

Hub is designed for use on trailer idler axles. Fits 5,200-lb to 7,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, wheel bolts, and lug nuts included.


Features:

  • Trailer hub assembly fits idler axles
    • Bearings, races, seal, grease cap, wheel bolts, 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
  • Hub and drum are made in the USA


Specs:

  • Application: 5,200-lb to 7,000-lb trailer axles with #42 spindles
  • Wheel size: 16" to 17-1/2"
  • Bolt pattern: 8 on 6-1/2"
  • Grease cap flange diameter: 2.72"
  • Wheel bolt diameter: 1/2"
  • Weight capacity: 3,500 lbs


Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 14125A (1.25" inner diameter)
  • Races (included)
    • Inner race: 25520
    • Outer race: 14276
  • Grease seal (included): GS-2250DL
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

E-Z Lube-Compatible Hub 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"


008-231-94 Dexter Trailer Idler Hub Assembly for 5.2K, 6K, and 7K Axle with Hardware - 8 on 6-1/2 - EZ Lube

Replaces 8-231-9UC1-EZ





This Product Fits The Following Vehicles

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2012 - 2012 Cruiser RV Viewfinder Signature Travel Trailer 24SD

2019 - 2019 Forest River Salem FSX TT Toy Hauler 260RT

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2012 - 2012 Skyline Bobcat Travel Trailer 264B

2013 - 2014 Skyline Skycat Travel Trailer 264B

2013 - 2013 Skyline Skycat Travel Trailer 273B

2014 - 2014 Jayco White Hawk Ultra Lite Travel Trailer 27DSRL

2014 - 2014 Jayco White Hawk Ultra Lite Travel Trailer 27RBOK

2012 - 2012 Cruiser RV Viewfinder Signature Travel Trailer 27RBSS

2019 - 2019 Eclipse Iconic 5W Toy Hauler 2814SG

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2017 - 2019 Eclipse Iconic 5W Toy Hauler 2817CKG

2012 - 2012 Coachmen Brookstone Ruby Fifth Wheel 285LS

2012 - 2012 Cruiser RV Viewfinder Signature Travel Trailer 28BHSS

2019 - 2019 Eclipse Stellar 5W Toy Hauler 28DBG

2019 - 2019 Eclipse Attitude 5W Toy Hauler 28SAG

2019 - 2019 Eclipse Stellar 5W Toy Hauler 28SKS

2010 - 2010 NuWa Hitchhiker LS Fifth Wheel 29.5FKTG

2012 - 2012 Coachmen Brookstone Ruby Fifth Wheel 290LS

2011 - 2013 Forest River Sandstorm TT Toy Hauler 291

2016 - 2017 Forest River Blue Ridge Fifth Wheel 2910SK

2011 - 2011 Forest River Blue Ridge Fifth Wheel 2925RL

2010 - 2015 Forest River Blue Ridge Fifth Wheel 2950RK

2018 - 2018 Dutchmen Voltage Triton 5W Toy Hauler 2951

See All Vehicle Fits



Video of Dexter Trailer Idler Hub Assembly for 5,200-lb to 7,000-lb E-Z Lube Axles - 8 on 6-1/2


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Dexter Axle Trailer Hubs and Drums - Hub - 8-231-9UC1-EZ Review

Today, we're going to review part number 8-231-9UC1-EZ. This is the Dexter Trailer and Hub Assembly with the 8 on 6-1/2-inch bolt pattern for the EZ loop spindle. This trailer and hub assembly will include eight of the 1/2-inch cone seat lug nuts. It will include the inner bearing, part number 25580, the outer bearing, part number 14125A. It will include the grease seal and it will include the EZ lube grease cap, and the reason this is an EZ lube grease cap is the center is a rubber plug that can be removed to get easy access to the zerk fitting to grease your EZ lube spindle. Now, the application on this hub assembly will fit most 5200-pound to 7000-pound axles including Dexter.

Bolt pattern again is eight lugs, 6-1/2-inch bolt pattern. The stud diameter is a half-inch. The capacity on this hub assembly is 3500 pounds, which means when paired with the same assembly on the other side of the axle would give you your max of 7000 pounds. Now, the bearing races are included. They're already preinstalled into the hub assembly.

Here's the outer race right here and on the back, you can see the inner race. All of our hub assemblies will usually come with the bearing races already preinstalled in the hub. Now on the bolt pattern for this, it's an eight-lug, 6-1/2-inch bolt pattern and, normally, on a wheel that has an even number of lugs like in this case, eight, the easiest way to measure the bolt pattern is just measure from one center of one wheel stud directly across to the wheel stud right across from it. Because the center hub is so much taller, it will be hard to get a correct reading. So basically, if you'll just measure from the center of one stud to the center of a stud right next to it, that would give you 2-1/2 inches, and that will basically tell you that this will have a 6-1/2-inch bolt pattern, so eight-lug, 6-1/2onch bolt pattern.

And that should do it for review on part number 8-231-9UC1-EZ.


Customer Reviews

Dexter Trailer Idler Hub Assembly for 5,200-lb to 7,000-lb E-Z Lube Axles - 8 on 6-1/2 - 8-231-9UC1-EZ

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

Hub is designed for use on trailer idler axles. Fits 5,200-lb to 7,000-lb E-Z Lube axles with #42 spindles. Inner bearing (25580) and race, outer bearing (14125A) and race, grease seal, grease cap, wheel bolts, and lug nuts included.

- 8-231-9UC1-EZ
by:

Last year, I completely overhauled my Myco triple axle trailer that sits under my 47' Fountain. Trailer and boat weigh just under 20,000 lbs. so having all wheel and brake components in top shape is critical for safety. I replaced everything down to the axles, ie: hubs, bearings, seals, rotors, calipers, brake controller, etc. I purchased everything from eTrailer.com. Shipping was very fast and not only were their prices a third of what Myco wanted to charge me, but any issue or question I had during the process, their customer service was always helpful. Very happy with eTrailer.com and I'm confident that my trailer is safe. 474214



- 8-231-9UC1-EZ
by:

I found exactly what I was looking for. Great quality and awesome price. Shipping was fast. Products arrived in good condition and earlier then promised. Thanks for the help. 463885



- 8-231-9UC1-EZ
by:

Great service 303529



- 8-231-9UC1-EZ
by:

Fast shipping and great parts!!! 236157



- 8-231-9UC1-EZ
by:

This hub is complete and ready to install, just grease the bearings, install the seal and install this hub. This would make an excellent backup hub with packed bearings in a ziplock bag and it is ready for a quick field replacement. 146037


Comments

It has been working out great. I would not hesitate to use this product again and likely will. Trailer bearings do go bad over time and this is a fast and effective way to get your trailer back on the road and under a load.

HaefDog - 08/11/2015

14146
5
5

Ask the Experts about this Dexter Axle Trailer Hubs and Drums
Do you have a question about this Trailer Hubs and Drum?


  • What Grease Seal is Needed for the Dexter Trailer Axle Beam Part # 7461121
  • Yes, the Dexter Trailer Idler Hub Assembly part # 8-231-9UC1-EZ is a confirmed fit for the Dexter Trailer Axle Beam part # 7461121. You may have noticed that the axle beam takes a 15123 outer bearing and the trailer hub takes a 14125A outer bearing. However, they both have a 1.25" inner diameter therefore can be exchanged for one another.
    view full answer...

  • Upgrading Hubs From 6 Bolt to 8 Bolt for 5,200 lb Axles
  • We have 2 different options for you to use to upgrade your 5,200 lb axles from 6 bolt to 8 bolt with 1/2 inch studs. Dexter Axle has the Trailer Hub Assembly, part # 8-231-9UC1-EZ, which is black in color and comes with the hub, inner bearing, part # 25580, outer bearing, part # 14125A, and the seal that you will be needing. This Trailer Hub Assembly also comes in a Galvanized Hub, part # 8-231-50UC1-EZ. Similar options that include the drums, in case you have brakes on your trailer,...
    view full answer...

  • Hub And Drum And Tire/Wheel Options For Timbren Axle-Less Trailer Suspension System # TASR7KS01
  • The trailer hub-and-drum assembly I recommend for the Timbren system part # TASR7KS01 is part # 42866UC3-EZ. This hub and drum comes with the bearings, races, grease seal and EZ-Lube cap with a plug and has an 8 on 6-1/2 bolt pattern. The Timbren Axle-Less Trailer Suspension System, part # TASR7KS01 will fit any width trailer frame and can be bolted or welded for installation, can be used for single or tandem axle trailers. The EZ Lube spindles make it easy to add grease to the bearings...
    view full answer...

  • Will # 8-213-5UC1 and # 8-231-9UC1-EZ Hubs Fit the Same Spindle
  • Although both hubs you mention use a different outer bearing, the inside diameter of those different bearings is the same, so both hubs CAN be used on the same spindle. The outer diameter and thickness of both bearings is different, so the bearings cannot be swapped back and forth between the two different hubs. A 5200 lb axle is a de-rated 6000 lb axle. Therefore, swapping to the higher rated # 8-231-9UC1-EZ hub won't necessarily increase the capacity of your trailer. You'll be limited...
    view full answer...

  • Replacement Trailer Hubs for Spindle # R50642 or Spindle # R50342EZ
  • If those measurements are spindle measurements, we do not have an exact match, but the best way to find the correct replacement hubs is to find the inner and outer bearings numbers stamped onto the bearings. With those numbers, finding the correct hubs will be easy. Most of the time, mobile home axles are good for one time use only. The closest spindle we have to the measurements you have provided would either be # R50642 or # R50342EZ. For the R50642 spindle with a 6 on 5-1/2 bolt...
    view full answer...

  • Which Hubs Fit the # R50342EZ Spindle
  • If you need a 6 lug on 5.5 inch bolt pattern then you will need the following hubs. 8-213-5UC1-EZ 6 on 5.5 Idler Hub Bearings 25880 inner and 15123 outer 8-201-9UC3-EZ 6 on 5.5 Hub and Drum Bearings 25880 inner and 15123 outer If you need a 8 lug on 6.5 inch bolt pattern then you will need the following hubs. 8-231-9UC1-EZ 8 on 6.5 Idler Hub Bearings 25880 inner and 14125A outer 8-219-4UC3-EZ 8 on 6.5 Hub and Drum Bearings 25880 inner and 14125A outer Keep in mind that...
    view full answer...

  • Converting to Trailer Hubs with Different 8 on 6-1/2 Inch Bolt Pattern
  • Switching to a hub and drum assembly like the Dexter # 42866UC3 that has a 8 on 6-1/2 inch bolt pattern will fit just fine on your existing trailer. The inner bearing # 25580 is the same for both this assembly and what you currently have, and the # 14125A outer bearing has the same inner diameter as the # LM67048, so it will still be compatible with your spindle. You can make this conversion without issue. For idler hubs I recommend the Dexter # 8-231-9UC1-EZ. These particular hubs...
    view full answer...

  • What Trailer Hub Fits Outer Bearing # 14125A
  • The bearing number you referenced, # 14125A, is an outer bearing that will fit a number of different hub assemblies. Those compatible hub part numbers are # 42866UC3, # 8-219-4UC3 and # 8-231-9UC1-EZ. We also offer the matching race for this bearing, which is part # 14276. The inner diameter of this bearing is 1.250 inches. I have linked an article and several videos on hubs and bearings that may be helpful to you.
    view full answer...

  • Are all 5,200 Lbs. Axle hubs Standard on all 5,200 Lbs. Rated Axles
  • Most hubs will be standard in the weight capacities for that sized axle. This range is usually 5200 to 7000 lbs. However, you will need to know some specific information about the hubs before you can pick the correct product for your application. There are a few things you need to consider when choosing hubs for 5200 lbs. trailer axles. The first thing you will need to know is what the bolt pattern of the hub you want to replace. A hub assembly like # 8-213-5UC1-EZ for 5200 to 6000...
    view full answer...

  • Upgrading Hubs from 5 Bolt to 6-on-5.5 Inch Bolt Pattern Hub
  • To determine if your hubs can be upgraded from 5 bolt to 6 bolt pattern, you first need to pull one of your current hubs to determine the bearing and seal numbers to ensure your new hubs will fit your axle spindles. You will have an inner and outer bearing that will have numbers printed on the face. Then you will have a grease seal that will have a number printed on it as well. If you can get me those numbers I can let you know the 6 bolt hubs that will be compatible. If you can't...
    view full answer...

  • Parts Needed to Install Disc Brakes on a Trailer with Drum Brakes
  • The Kodiak Disc Brake Kit # K2R712E is designed to work on idler hubs exactly like the Trailer Hub Assembly # 8-231-9UC1-EZ that you referenced. These parts are totally compatible with each other and I can assure you that the spacing between the caliper and rotor will be the correct. Typically when someone is going from drum brakes to disc the preferred method is to go with hub and rotor disc brake kits. For that you would instead want the part # K2HR79E. I attached an FAQ on adding...
    view full answer...

  • Which Spindle is Used for the # 8-231-9UC1-EZ Hub Assembly
  • The Hub Assembly you referenced, part # 8-231-9UC1-EZ uses the part # R50342EZ spindle. In addition to the bearings, races, seal and grease cap, the assembly includes 1/2 inch wheel studs with 1/2 inch cone wheel nuts. You would need to use a different grease seal, part # RG06-070. Welding a spindle is a tricky business, it is very important that the spindle is perfectly square to the axle. You will want to use a certified welder who is experienced with installing spindles.
    view full answer...

  • Spindle and Hub Recommendation for an Axle with Non Standard Spindles
  • Based on the dimensions you listed for the spindles you have on the axles that were given to you we do not have any hubs that would fit. The best solution I could recommend for you so that you could use the axles you have would be to replace the spindles that are currently on the axle with part # R50342EZ. Spindles should only be installed by a qualified welder with experience working on trailers. For a 8 on 6-1/2 inch bolt pattern hub confirmed to fit this spindle you would want...
    view full answer...

  • Difference Between Dexter 8 on 6-1/2 inch Trailer Hubs # 8-231-9UC1-EZ and # 42865-KIT
  • The difference between the two trailer hubs you referenced part # 8-231-9UC1-EZ and # 42865-KIT is that the # 42865-KIT comes with two different grease cap styles and the # 8-231-9UC1-EZ only comes with one, the EZ lube style that has a rubber plug that can be removed for easy access to the zerk fitting of the spindle for greasing. The # 42865-KIT comes with a EZ style cap as well as a standard grease cap. I attached review videos for both hubs for you to check out as well.
    view full answer...


Do you have a question about this Trailer Hubs and Drum?




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Info for this part was:

Photos by:
Theodore B
Expert Research:
Michael L
Installed by:
Jeff D
Expert Research:
Jameson C
Updated by:
Sarah W
Updated by:
Alexander C
Updated by:
Hannah L

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