bing tracking image
  1. Trailer Hubs and Drums
  2. Dexter
  3. 5 on 4-1/2 Inch
  4. For 3500 lbs Axles
  5. Hub
  6. 13 Inch Wheel
  7. 14 Inch Wheel
  8. 14-1/2 Inch Wheel
  9. 15 Inch Wheel
  10. 16 Inch Wheel
  11. 16-1/2 Inch Wheel
Dexter Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-1/2

Dexter Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-1/2

Item # 84545BX
Retail:$90.93
Our Price: $80.49
You Save: 11%
Trailer Hubs and Drums
Orders above $99 qualify for Free Shipping
Shipping Weight: 8 lbs
Add to cart
In Stock
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos

Videos

Need help with installation?
Locate installers near me
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, wheel bolts, and lug nuts included. Great Prices for the best trailer hubs and drums from Dexter. Dexter Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-1/2 part number 84545BX can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (161)
  • Q & A (0)
  • Photos

Dexter Trailer Hubs and Drums - 84545BX

  • 5 on 4-1/2 Inch
  • For 3500 lbs Axles
  • Hub
  • 13 Inch Wheel
  • 14 Inch Wheel
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • Standard
  • 1/2 Inch Stud
  • L44649
  • L68149
  • Dexter

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, wheel bolts, and lug nuts included.


Features:

  • Trailer hub assembly fits idler axles
    • Bearings, races, grease seal, grease cap, wheel bolts, and lug nuts are included
  • Sturdy iron construction
  • Hub and drum are made in the USA


Specs:

  • Application: 3,500-lb trailer axles with #84 spindles
  • Wheel size: 13" to 17-1/2"
  • Bolt pattern: 5 on 4-1/2"
  • Grease cap flange diameter: 1.986"
  • Wheel bolt diameter: 1/2"
  • Weight capacity: 1,750 lbs


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"


K08-248-90 Dexter Trailer Idler Hub Assembly for 3.5K Axle with Hardware - 5 on 4-1/2

Replaces 84545BX





Customer Satisfaction Score:


Customer Reviews

Dexter Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-1/2 - 84545BX

Average Customer Rating:  4.8 out of 5 stars   (161 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, wheel bolts, and lug nuts included.

by:

I wanted to replace the Dexter Hubs on a 6x10 trailer with a Dexter product. The original hubs had provided many years of reliable service and felt it was best to replace them. I didn’t trust the hubs that were available through Amazon and other websites. I like the design on the hub that replaced the original hubs and it is the same quality. It’s very convenient to buy the bearings and hubs together to eliminate any confusion.

Mark

12/22/2023

Excellent the trailer I installed them on has gone a lot of miles with no problems. I’m glad that I chose to replace the old hubs. It wasn’t much more work than replacing the bearings and safer than leaving the old hubs on. The videos on your website are sure helpful another benefit when ordering from etrailer.



by:

Have had this installed for about 11 months now. It was a perfect fit and has been working great. Unfortunately, I have had to use this trailer a lot so the hub has had a few miles put on it.



by:

I bought this to build a spare tire mount on my dump trailer. I now have a spare hub if it is ever needed in an emergency. It works as it should and I hope to never need it for the intended purpose of an emergency hub.



by:

I bought this and put it on my small dump trailer. It has performed flawlessly. I would purchase this again if I ever needed it.



by:

As advertised



by:

Parts were exactly what I wanted. I was able to see a reply to someone that had same problem I had and part numbers were given making my search extremely easy

Barry

8/11/2023

It has been problem free. Works great



by:

Good quality hubs. As stated by other reviewers, THE CAP SIMPLY WILL NOT FIT!! I was soooo hoping I could just manipulate them on there, but absolutely not. Had to put the old caps back on, and now need to find new ones elsewhere. - I replaced the hubs that were on a small 6.5x12 atv/utv trailer - a Diamond C. (WHY on earth they used 5 on 5 hubs instead of the easier found 5 on 4.5 hubs is beyond me. But, is what it is.) You will need to re-use your castle nut and whatever it is pinned in....either a clip or get a new cotter pin, along with using the existing washer from your other unit. THE RACES ARE ALREADY INSTALLED IN THE NEW HUB. This was helpful. The bearings need to be packed, along with putting the seal in the rear - no big deal. I will not necessarily be using this trailer in water - however, next time I will spend the few more dollars and get the galvanized hubs. Also has a complete set of small lug nuts. I just kept those for emergencies, and replaced with my long stainless steel lugs. My order from etrailer came a day ahead, for which I was EXTREMELY GRATEFUL. Had to change hubs outside - no garage - and as soon as I was done, it started snowing. AND I used etrailer's red grease, UltraLube L10320.

Lura

11/1/2020

All of the above still applies. The hubs are great. Caps, not even close. Would order galvanized next time.



by:

Hubs arrives fast and in excellent cond ition.



by:

Great product and a perfect fit!



by:

Put the new hub on my trailer an it works great thanks to all the great people at etrailer you guys are the best :O)



by:

I needed to replace my bearing on my trailer hubs and since my current hubs were starting to wear I decided to purchase the fully-loaded hubs. I installed the easy-lube grease caps and everything went together perfect. Great product at an amazing price!

Nick

6/7/2020

Still holding up great!



by:

Good products great customer service



by:

Great product, just wished it came prea ssembled



by:

Great Service - Quick Delivery...
We
have been building Special - Wheel Spindles & Axles for over 53yr for AG and Rec areas of Manufacturing. This new designed hub - customers really like the look and that it holds 3,500#
Thank you.

Bill K.

10/13/2019

Ok we use it for fit up and R&D projects.



by:

Order placement was fast, easy and stress-free. Will definitely use again!



by:

When the package arrived the two hub boxes were floating around inside of an oversized box. Opened up the hub boxes and the bearings, nuts and seals were all bagged up together and unprotected from one another. Hubs had missing paint on them. So the instructions should say have some black touch up paint on hand and make sure to blow all the metal out of the bearings before greasing them.



by:

Great hubs would have given 5 stars but hub grease caps are so tight the centers were concave by the time I got them on using a rubber mallet to be as gentle as possible. Overall highly recommended to anyone building from scratch or just changing bolt pattern like myself. Dexter is a high quality product. I chose to use Bel-Ray waterproof marine grease and packed everything full. My trailer sees lots of abuse and is not stored under cover + I live in the Pacific Northwest. Lots of rain. Only takes about a half hour to grease and install if you have everything ready to go. As in old hubs removed and spindles cleaned up.



by:

Have not built a trailer in 30 years. This is apicture of the one i built for good friend. This turn out very nice, heavy duty . All suspension and lights came from E-Trailer . This is the best place to buy and get information. Thank you, Ed.



by:

We received your parcel in great shipping order and we are very thrilled with everything. You saved us a lot of money as we had an old home built trailer that was loaned to another and they wrecked the trailer. Because you offer all that we need in parts to repair this trailer AND at a price we can afford, you have set in motion the ability for us to regain the use of the trailer we had to dismantle. My husband was happy he located you online.

We are waiting for cooler weather to do all the welding necessary and I promise to send you photos as we work on the trailer. Wish I had one of it before we dismantled it so you could have a before and after, but I will send the dismantled trailer and pictures of eTrailer's new parts so that everyone can see what a wonderful service you are offering.

My husband has already been bragging at work about what he saved and as I control the budget here so he can work without worry, THANK YOU for offering me help in keeping the costs down.



by:

Well built. Great value



by:

I built a utility trailer with my son from a 10K weigh capacity boat trailer and wanted to finish it properly. Bearings, hubs and drums arent an area to skimp on when building a trailer but where does a person find the RIGHT replacement parts. My local hardware and big box stores offer off brand replacement parts but of what quality and I'm still guessing as to proper replacement. I called etrailer and boy am I glad I had a micrometer handy. Their customer service walked me through all measurements and I'm assured the best quality products that will stand the test of time. I am grateful for their expertise and assured of quality. Thank you



by:

Hubs seem well made. Went together easily and went on the trailer with no issues.

Only problem I had was with how they were shipped. Bearings, seals, caps and nuts were just taped to the the hubs and put in a box with no packing material. One of the caps was crushed and unusable. Just used one off the old hubs.



by:

Maybe I was expecting too much, but the bearings are dry and the way the hub, bearings, lug nuts and grease seal are shipped, they are loosely wrapped in plastic wrap so that they can come loose (at least one of the two that I ordered did) and get separated in the box with the other things if you order other items, which I did. It would have been nice if etrailer had specifically said that the bearings were sold/shipped dry and not already packed with grease. Just makes the job a bit messier than I had anticipated



by:

I ordered 2 complete hubs, plus Bearing Buddies, wheel and tire, winch and a fender on Monday. Monday night received an email that all had shipped, had it on my front porch on Thursday via UPS ground. Everything arrived complete and in good order. The website is worth its weight in gold for a DIY er like me as it contains a ton of info on how to measure, videos on what is included and great installation videos. Helps your confidence when you only do this kind of job once every ten years! My boat trailer is a 2002 venture V-2200.



by:

I have had fantastic results with these hubs and bearings that i purchased for my 5x12' trailer.


25
161
Show More Reviews

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

  • How to Pick Out a Replacement Trailer Hub
    In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached an FAQ article on determining bolt pattern for you to check out. Next thing you will need to know is what spindle you have on your trailer. In order to do that you can either get the inner and outer bearing numbers from a hub...
    view full answer...
    Image 1 for
  • Determining Which Hubs and Bearings Fit A 2003 Tracker Trailstar Trailer
    I would be happy to help you find the correct replacement hub, but unfortunately we do not have a breakdown of the specific components your trailer uses so you will need to confirm your bearing combination. The easiest way to do this is remove the hub on the side that is not damaged and look for the bearing numbers stamped in the face of each bearing as shown in the included picture of the # L44649. If your bearings are worn to the point that you cannot read the bearing numbers you will...
    view full answer...
    Image 1 for Image 2 for
  • Trailer Hub To Spindle Combinations for 2000 Pound or 3500 Pound Axle
    The HUB KIT # 8-259-5UC1, uses a 1,000 pound spindle, item # TRU44FR. This setup is for a 2,000 pound axle. The #84 Spindle for 3,500-lb Trailer Axles - 1-3/4" Diameter, item # TRU64FR, is for a 3500 pound axle. If you need a hub and spindle for a 3,500 pound axle then you would use the # TRU64FR spindle and the Trailer Hub Assembly for 3,500 lbs Axles with 5 on 4-1/2 bolt pattern, item # 84545BX.
    view full answer...
  • Availability of Trailer Hub to Replace Dexter 8-248
    We do have the hub you need. It is part # 84545BX. This is a very common 3,500 lb Dexter hub.
    view full answer...
  • How to Pick Out Replacement Hub for 2003 Four Winds Boat Trailer
    In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached an FAQ article on determining bolt pattern for you to check out. Next thing you will need to know is what spindle you have on your trailer. In order to do that you can either get the inner and outer bearing numbers from a hub...
    view full answer...
    Image 1 for
  • How to Determine Hub and Spindle Size
    The spindle dimensions are as follows: A is the mounting dimension, B is the seal dimension, C is the inner bearing surface, D is the outer bearing surface and E is the diameter of the threaded portion of the spindle for spindle nut selection. Say you need a spindle and hub for a wheel with 5 on 4-1/2 inch bolt pattern and an axle that is 3500 lbs. For a single axle trailer you can use two of either the item # TRU64FR, if your axle is round or item # TRU47FR if your axle is square. Then...
    view full answer...
  • Replacement Bearings for Stratos Trail Trailer With 84545 Hub
    The 84545 hub on your Stratos Trail Trailer uses the standard bearing combination for a 3,500 lb axle just like the # 84545UC1-EZ and # 84545BX. This means the correct bearing kit is the Hub Bearing Kit for Lippert, Dexter, and Al-Ko Axles - 3,500 lb with #84 Spindle # BK2-100.
    view full answer...
  • Replacement Hub Needed for Dexter Axle 8-256
    Your Dexter Axle hub 8-256 should use an # L68149 inner bearing and an # L44649 outer bearing which means you have a #84 spindle and you'll use one of the following hubs: 5 on 4-1/2" - part # 84545BX 5 on 4-3/4" - part # 845475UC1 5 on 5" - part # 84550BX 5 on 5-1/2" - part # 84555UC1 Just match up the bolt pattern and you'll be good to go! I've attached some helpful articles on bolt patterns that you can check out if you aren't sure what you have.
    view full answer...
  • How to Find Replacement Hub for a Trailer Based on Spindle Dimensions
    The bearing numbers you have do not cross reference with anything we offer, but I do have solution for you. You will need to use a micrometer to get exact dimensions of the spindle on your trailer so that I can see if we have a hub that will fit your spindles. Normally with bearing numbers we can find the correct hub, but since you have bearings that we have no info on we have to resort to spindle measuring. Check out the picture I attached that shows where to measure on the spindle.
    view full answer...
    Image 1 for
  • How to Find Correct Replacement Hub and Bearings for Boat Trailer
    In order to find the correct replacement hubs and bearings you will unfortunately have to remove the existing hub. Once you remove the hub you may be able to find the part numbers on the inner and outer bearing along with the grease seal. If this is not the case, you will need to take some measurements. You also need to know the weight rating of your axle as well as the bolt pattern. From the picture it looks like your bolt pattern is 5 on 4-1/2. You want to use a digital caliper like...
    view full answer...
    Image 1 for Image 2 for
  • Replacement Idler Hub Assembly for a Dexter Axle 08-248 5 on 4-1/2" Hub
    The Trailer Idler Hub Assembly for 3,500-lb Axles # AKIHUB-545-35-G-K is the correct replacement for a Dexter 08-248 hub with a 5 on 4-1/2" bolt pattern, yes. Our idler hub as well as the Dexter Axle replacement option, part # 84545BX, are listed for 13" wheels but if your unique situation is working then you can be confident that the replacement option I mention above will work properly for you.
    view full answer...
  • Replacement Bearing Kit for Dexter 3,500 lb Trailer Axle Hub
    Yes we do. The bearing kit part # BK2-100 is the correct replacement bearing and seal kit for your 3,500 lb trailer hub part # 84545BX.
    view full answer...
  • Video Guide to Use for Assembly of Trailer Hub and Install on Axle
    I do have an install video (linked below), that shows a hub getting installed similar to the # 84545BX that you have but the first thing you'll need is a new grease seal since when you disassemble a hub you end up destroying the seal. For that you'll need the part # 58846.
    view full answer...
  • How to Determine the Correct Replacement Hub for a 2000 Trail Star Trailer
    To replace the hubs on you trailer you will need to know a few things. First, you will need to figure out you inner and outer bearings. This will require removing one of the hubs. There should be numbers stamped into it, but these do wear off over time. If the numbers are no longer legible, you will need to measure the inside diameter to confirm them. Something like the Dexter # 84545BX would use the inner bearing # L68149 (1.378 inch inside diameter) and the outer bearing # L44649 (1.063...
    view full answer...
  • Axle and Hub Recommendation for a Custom ATV Off Road Trailer
    The bolt pattern of 4 on 4 3/8 inch isn't a standard bolt pattern for trailer hubs so you won't be able to find a hub to fit it. Plus, we don't recommend the use of passenger vehicle rims for trailers. So basically I have a solution for you that I can provide, but it will involve using trailer rims and tires. For an axle system for an off-road trailer I like the Timbren Axle-Less Systems like part # ASR2KHDS03. This is a 2k rated "axle" that is designed for wider tires and will give the...
    view full answer...
  • What Idler Hubs are Available for 3,500 lb Axles?
    Thank you for all of the information, so we can set you up with a new idler hub for your 3,500 lb axle. The Trailer Idler Hub Assembly for 3,500 lb Axles, # 84545BX, features a 5 on 4-1/2 bolt pattern and comes with the # L68149 inner bearing and race, # L44649 outer bearing and race, as well as the grease seal, grease cap and lug nuts. The assembly is going to work with 3,500 axles with # 84 spindle, fit wheels that are between 13 inches and 17-1/2 inches. I've attached a review video...
    view full answer...
  • How to Measure so an Axle can be Replaced on a Boat trailer
    The axles on a tandem axle trailer should be the same size. Hubs that include drums will also measure the same as an idler hub from face to face on an axle. With that being said, I suggest measuring the undamaged axle. This should get you all the needed measurements to find the correct replacement.
    view full answer...
    Image 1 for
  • Can 3,500 Lb Hub be Used to Replace 2,000 Lb Hub with Same Size Bearings
    Technically yes, if you were replacing idler hubs, as long as the inner/outer bearing, grease seal AND wheel bolt pattern match, there's nothing that prevents you from using a 3,500 lb axle hub, like # 84545BX on a 2,000 lb axle. If the bearings and seal match but the bolt pattern is different, you would also need new wheels to make the hub compatible. That being said, the only 2,000 lb hubs that we carry which would use the same inner/outer bearings and grease seal as a standard 3,500...
    view full answer...
  • Bearing Buddy Recommendation for Dexter Hub 8-248 3,500 lb Axle
    For the Dexter hub part # 84545BX that you referenced the correct Bearing Buddy is the part # BB1980A-SS. Some people have a tendency to use these to put too much grease in the hub which then causes the seal to blow out. If you are careful with it though you'd have no problems at all. I attached an install video for the Bearing Buddy for you to check out as well.
    view full answer...
  • Determining Axle Weight Capacity for Boat Trailer with 1-3/4-inch x 2-3/4-inch Rectangular Axle
    Typically boat trailers with 13-inch tires and a 5-on-4-1/2-inch wheel bolt pattern will have either 2000-lb- or 3500-lb-rated axles. The link provided will show you examples of hub-and-drum assemblies with your bolt pattern and wheel size range that fall into these two weight categories. For example, Dexter hub # 84545BX is for 3500-lb axles while # 8-258-5UC1 is for 2000-lb-rated axles. The hub assembly you referenced, part # 42655UC1 from Dexter, has a 6-on-5-1/2-inch bolt pattern...
    view full answer...
  • How to Pick Out a Replacement Hub for a Trailer
    Sounds like you are in need of a replacement hub on your trailer. We carry several replacement hubs that could fit. In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached an FAQ article on determining bolt pattern for you to check out. Next thing you will need to know is what spindle...
    view full answer...
    Image 1 for
  • Recommendations for ATV Search & Rescue Carrier
    We unfortunately don't carry hubs compatible with the 4/110 bolt pattern as that is not standard for any trailers. My recommendation is to use the Timbren Heavy-Duty Axle-Less Trailer Suspension - Straight Spindle - Wide Tires - 1,200 lbs # ASR1200S03. This will give you the independent suspension and allow you to dictate the width of the unit for your precise desires versus having a standard axle length. This does require a 2 inch square bar unless there is a cross brace in the location...
    view full answer...
  • Finding Replacement Hubs for Older Trailer
    Identifying replacement hubs for your older trailer will require you to confirm a few details from your trailer: its axle weight rating, bolt pattern, and the existing bearing and seal numbers. If these cannot be found you instead will need to take precise measurements (to the nearest thousandth) using a digital caliper. The linked photo shows both the typical appearance and location of these part numbers. In the event you take measurements instead the spindle locations to be measured are...
    view full answer...
    Image 1 for


< Previous
123. . .7



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


Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Patrick B
Expert Research:
Patrick B
Employee Michael H
Expert Research:
Michael H
Employee Jeff D
Expert Research:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Jeffrey L
Expert Research:
Jeffrey L
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Hannah L
Updated by:
Hannah L

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.