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  1. Trailer Hubs and Drums
  2. Dexter
  3. 5 on 4-1/2 Inch
  4. For 2000 lbs Axles
  5. Hub
  6. 13 Inch Wheel
  7. 14 Inch Wheel
  8. 14-1/2 Inch Wheel
  9. 15 Inch Wheel
Dexter Trailer Idler Hub Assembly for 2,000-lb Axles - 5 on 4-1/2

Dexter Trailer Idler Hub Assembly for 2,000-lb Axles - 5 on 4-1/2

Item # 8-258BTUC1
Retail:$77.17
Our Price: $72.49
You Save: 6%
Trailer Hubs and Drums
Shipping Weight: 7 lbs
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Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) 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 2,000-lb Axles - 5 on 4-1/2 part number 8-258BTUC1 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (51)
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Dexter Trailer Hubs and Drums - 8-258BTUC1

  • 5 on 4-1/2 Inch
  • For 2000 lbs Axles
  • Hub
  • 13 Inch Wheel
  • 14 Inch Wheel
  • 14-1/2 Inch Wheel
  • 15 Inch Wheel
  • Standard
  • L44643
  • L44643
  • Dexter

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) 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
  • Sturdy iron construction
  • Hub and drum are made in the USA


Specs:

  • Application: 2,000-lb trailer axles with BT8 spindles
  • Wheel size: 13" to 15"
  • Hub flange diameter: 6-1/2"
  • Bolt pattern: 5 on 4-1/2"
  • Grease cap flange diameter: 1.986"
  • Wheel bolt diameter: 1/2"
  • Weight capacity: 1,000 lbs


Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: L44643 (1" inner diameter)
    • Outer bearing: L44643 (1" inner diameter)
  • Races (included)
    • Inner race: L44610
    • Outer race: L44610
  • Grease seal (included): 34823
    • Inner diameter: 1.249"
    • Outer diameter: 1.983"

Note: Some axles rated at 2,000 lbs require a different seal and bearings. Be sure that the bearings in the hub being replaced have L44643 stamped on them. If the bearings have L44649 stamped on them, use 8-258-5UC1 trailer hub.


Note: Trailer wheels that are smaller than 15" and have 5 bolts, have a 5 on 4-1/2" bolt pattern.


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"


8-258BTUC1 Dexter Trailer Idler Hub Assembly for 2K Axle with Hardware - 5 on 4-1/2 - L44643 Bearings





Customer Satisfaction Score:


Customer Reviews

Dexter Trailer Idler Hub Assembly for 2,000-lb Axles - 5 on 4-1/2 - 8-258BTUC1

Average Customer Rating:  4.7 out of 5 stars   (51 Customer Reviews)

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BT8 spindles. Inner bearing (L44643) and race, outer bearing (L44643) and race, grease seal, grease cap, wheel bolts, and lug nuts included.

by:

I ordered a set of hubs for my trailer. The package came quickly however, one of the seals was incorrect. I called etrailer and they sent a new seal out… It arrived in two days! Awesome service.



by:

Parts do fit my boat axle.



by:

I’m restoring and upgrading a 1980’s Dilly motorcycle trailer to make a 2800 mile road trip. The Dexter hubs with new bearings and races was a no brainer. More importantly Etrailer and their stellar customer service made this project so much easier to complete.



by:

Great service. Great product.



by:

After ordering from parts houses and getting expensive wrong grease seals, for my boat trailer, I found a websit e trailer, I called and talked to Jennifer, she knew what I needed right away, I ordered a hub with races, bearings, grease seals and lug nuts. Jennifer placed the order for me and with end two hours I was notified by email that my order was shipped. The third day my order was delivered to my door. No damage, was packaged very good. And was right parts. I will be using etrailer again. I recommend this co to my friends.
Gordon in Tenn

Gordon S.

8/6/2015

My opinion remains the same, etrailer has the parts I need, and knowledge to get the riught parts and they are shipped right away, very satisfied



by:

The new hub and bearings/seals for the other one fit perfectly.Etrailer helped verify the sealI needed.Shipping was fast and I would recommend Etrailer to others.

Wayne

5/31/2017

Still working flawlessly.



by:

Exactly what I needed, delivered promptly and at a competitive price point. I especially appreciated the lug pattern template to ensure what I ordered would fit the wheels I had.



by:

You guys are the best! Excellent service and I couldn't be happier! Thank you!



by:

20/20 hindsight tells me I made a bad decision when I got a 20% discount on a display model utility trailer from a large "big box" hardware store here in the Seattle area. Many of the parts were assembled incorrectly, some of the hardware was missing, and they'd adjusted the wheel bearings too tightly which ended up frying one of them and the associated bearing races just during the trip home. The bearing races were integral with the hubs and weren't servicable, so the hub was ruined. And, unfortunately, I didn't end up using the trailer for quite a while and didn't notice all this until after well the warranty had expired.

The trailer was manufactured by a Canadian company and they claimed that, due to US regulatory restrictions, they were currently unable to ship bearings or hubs to the United States. So much for our friends to the north.

Fortunately, the trailer axle was American made, and etrailer.com was able to provide me with everything I needed to make the trailer roadworthy; with higher quality parts and at less cost. And the hubs had lugs, as opposed to the originals with just threaded holes; which makes installing the wheels much easier.

What can I say? I'm now a fan of etrailer.com.


The trailer was manufactured by a Canadian company and they claimed that, due to US regulatory restrictions, they were currently unable to ship bearings or hubs to the United States. So much for our friends to the north.

Fortunately, the trailer axle was American made, and etrailer.com was able to provide me with everything I needed to make the trailer roadworthy; with higher quality parts and at less cost. And the hubs had lugs, as opposed to the originals with just threaded holes; which makes installing the wheels much easier.

What can I say? I'm now a fan of etrailer.com. " />


by:

This product arrived quickly and fit well. It is of equivalent or better quality than the original hub and bearings on my Snowbear trailer, which had rusted rather badly. I like having studs and lug nuts instead of lug bolts. I also like having it ungreased so I can know what kind of grease I am putting in and not worry about compatibility (lithium vs. calcium, etc.). My only beef is that it should come with a new cotter pin and ideally, a new castle nut to truly be complete.

Thanks to etrailer for listing enough dimensions that I could pick out the correct hub, since the originals had no numbers on them.



by:

Good quality hub, good price, fast shipping. Came with lugs, all bearings, inner races installed, and a double lip marine type grease seal as well as a basic grease cap. The only thing I needed to provide was a cotter pin!



by:

First of all my Customer Rep Julie H, Was very helpful and gave accurate information. A real pleasure working with her. The Hub fit as design and came to me clean and ready to go. I used this hub to retro fit a older trailer, 1960 ish. The original wheels also housed the bearing.
I would recommend this change out
I also went from an 8' wheel to 12"



by:

Great product. Perfect fit and has performed without issue all summer. These were for a boat trailer so I'm dipping them in the water constantly. They just keep asking for more.

Thanks guys. You're a life saver.



by:

Fast shipping everything listed and pictured is here and in good shape. I would have given 5 stars if the kit had come complete with a cotter pin. No fault of Etrailer as it was not in the parts list. I would just like to see a kit as a complete kit. Overall no complaints its a good deal and I hope to put many miles on it.



by:

Installed on my 5x8 foot trailer ,it's been towed back and forth from PA. to WI. a few times had no trouble traveling 70 - 75 MPH. 1,200 miles one way



by:

I ordered a hub for my trailer along with another part. The 2nd part was on back order which would have delayed my order. I needed the hub for a trip. George and team were great in revising and expediting my order. Hub arrived on time, good condition, fit perfectly.



by:

Very happy with everything except for that after wasting a lot of time trying to get the grease caps on and still cannot! No matter what I did would not work so they are now in the trash and I need to buy new ones. That is pretty ridiculous in my opinion. Other then that I’m very satisfied but giving this a 1 because buying the complete unit it should all assemble together without problems.



by:

First of all, I cannot say enough good things about the people who work at etrailer. I spent at least 30 minutes on the phone with them making sure I ordered the correct hub. I recieved it 4 days after I ordered it and it fit perfectly I was able to get it installed in about 15 minutes. Thanks Etrailer!!!



by:

nuts hards to spin on, black paint already peeling off.....F paint job, packaged very poorly, bolts taped to hub. so when i pulled off tape, off went paint. bearings are rel nice



by:

Switched from a 4 lug rim to a 5 lug so I could run a larger tire, already had the rims but needed to change hubs. These hubs worker perfectly, they are of good quality and are well worth the price which is very reasonable. Order processing and shipment was very fast. I have no complains at all. Any parts I need in the future will be purchased from etrailer.com. Can't beat the service or product price. I highly recommend this retailer for your needs.



by:

Trailer hub came with everything needed ; dust cap did not work out - but, used old one !! Same GREAT service and material as always !! A +++



by:

Parts arrived in 2 days & look good. All components are here, bearings, nuts cap etc. Everything looks 100% correct and will see about putting them on tomorrow. I am extremly satisfied with the on-line tech, delivery timing and cost. Thank you guys.
ps: (I put a "plug" in for you on my teardrop trailer sight.)



by:

Excellent quality hub that fits perfectly. The tutorials and videos on etrailer really assisted me in picking the correct parts for my older trailer.

Excellent communications and customer service from etrailer, too! Thank you!



by:

Quick Delivery, went together good, except for the Dust Covers. Could not get either of those things on to save my life. Very Thin Gauge Tin. I had another Heavier Gauge set from other hubs, they went on with no problems.



by:

Great service and product, everything exactly as advertised. The hubs are going to go on a BBQ grill that we are changing the wheel size from 8" to 15". It is unusual to find a company that provides the service and product quality level this company does, what a pleasure dealing with them.--Thank-you.


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Show More Reviews

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

  • Changing Trailer from Hub-Centric Rims with Bolts to Lug-Centric Rims with Studs and Nuts
    Your original rims are the hub-centric type, meaning that the pilot hole in the center of the rim provides the centering for the rim on the hub. In the lug-centric type that you are switching to the centering of the rim on the hub is provided by the alignment of the lugs. As long as your new rims have a pilot hole that is larger than the center of the hub (to fit over it) and your wheel studs line up and thread on properly then you are all set.
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  • Replacement Hub for 4-1/8 Inch Long Idler Hub
    Both the # AKIHUB-440-2-2K and the # 8-258BTUC1 have a the same 4-1/4" length. This shouldn't be a problem, but you will need to know which bearings you have right now since these are different. They also have different bolt patterns so you will need to choose the right bolt pattern. The # AKIHUB-440-2-2K is designed to fit a BTR spindle and uses # L44649 inner and outer bearings. It has a 4 on 4 bolt pattern. The # 8-258BTUC1 is for a BT8 spindle which uses # L44643 inner and outer bearings...
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  • Trailer Wheel and Tire that Can Fit on 2k Hub # 8-258BTUC1
    That bolt pattern is not one that is currently supported by trailer hubs. The bolt pattern closest to that for trailer is 5 on 5-1/2 inch but even that is pretty rare. The hub you mentioned part # 8-258BTUC1 has the very popular bolt pattern of 5 on 4-1/2 inch. I'd have to recommend you go with a trailer wheel and tire like the # AM32395. Trailer hubs like the one mentioned to have wheel size restrictions in some cases.
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  • Trailer Hub that Fits 1 inch or 1-1/6 inch Diameter Spindle
    We have hubs that are designed to fit spindle diameters that you mentioned of 1 inch and 1-1/6 inch. If you have a straight spindle with a 1 inch diameter you'd have a BT8 spindle and the hub part # 8-258BTUC1 that you referenced would fit. If you have a spindle with a straight diameter of 1-1/6 inch then you'd have a BTR spindle and would want a # 8-258-50UC1. The diameter of the spindle where the seal would ride on either would be 1.25 inch. If you can verify your spindle dimensions...
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  • Replacement Boat Trailer Hub with Inner Bearing L44643
    Repairing your boat trailer doesn't have to be a nightmare. I will help you to make it a sweet dream instead! You really should have both bearing numbers to ensure you get the right hubs for your trailer. The good news is you have to take the hub off anyway if you are going to replace it. Both of your bearings are likely L44643 but to be sure I would like to know the outer bearing number as well. If they are indeed both L44643 then hub # 8-258BTUC1 will fit if the wheel bolt pattern...
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  • Recommended Replacement Axle For Axle With Obsolete L44649 and LM11949 Bearing Combination
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  • How to Determine the Size of a Trailer Hub Assembly for Replacement
    To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose # 8-258-5UC1. If the inner bearings are marked L44643, you will need # 8-258BTUC1. If you do not have the old bearings, you need to measure the inner bearing surface on the spindle to determine if the 1.063 inch dimension or 1.00 inch dimension will be needed to accept the bearing. You...
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  • Recommended Spindle And Hub Assemblies For 1-1/2 Inch Square 2,000-Lb Axle
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  • Correct Hub Assembly for Dexter 8-258 Hub and 13-Inch Wheels
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  • Are Trailer Spindle # TRU47FR, Hub Assembly # 8-258BTUC1, and Tire/Wheel Combo # AM31985 Compatible
    The TruRyde #84 Trailer Spindle, # TRU47FR, is compatible with Trailer Hub Assembly # 8-258BTUC1. The hub assembly is designed for use on a 12 to 15 inch wheel with a 5 on 4-1/2 bolt pattern. The tire and wheel combo you have selected, # AM31985, is a match. So you will be able to use all of these components together. The hub assembly comes with the bearings, races, cap, lug nuts, and seals.
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  • Replacement Hubs for Older Trailer with a 5 x 4-1/2 Lug Pattern
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  • Bearings and Seal Recommendation for Dexter 3,000 lb Axle
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  • Replacement Trailer Tire in Size 5.30-12 for Boat Trailer
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  • What Size Wheels Will Work with Dexter Trailer Hub Assembly # 8-258BTUC1
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  • Replacement Hub for a Pontoon Boat Trailer
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    Image 1 for
  • What Trailer Spindle Goes with Trailer Hub Assembly, # 8-258BTUC1
    The Trailer Hub Assembly, # 8-258BTUC1, uses a BT8 spindle like # TRU94FR. I have included a link to our spindle main page that shows all of the spindles we carry along with the important measurements for each so that you can compare them.
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  • What Bearing Buddy Will Fit Trailer Hub Assembly # 8-258BTUC1
    I went out to the warehouse and did a test fit between the hub, # 8-258BTUC1, and Bearing Buddies, # BB1980A. The Bearing Buddies, though they are 6 thousandths of an inch smaller, will still fit tight in the hub bore. Bearing Buddies have to be driven in by putting something like a block of wood on the top and hitting the wood with a hammer. The wood disperses the energy from the hammer more evenly.
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  • How to Determine the Correct Replacement Hub and Spindle for a 2007 Snowbear Trailer
    In order to determine the correct hubs and spindles used on your trailer you will want to pull one of the hubs and get the inner and outer bearing numbers stamped into the bearings. I will also need to know the bolt pattern required. I have included a couple of links that should help you. Spindles can be tricky to replace since they are welded to the axle. The removal and installation of a spindle should be performed by a qualified professional with experience working on trailers.
    view full answer...


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