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  1. Trailer Hubs and Drums
  2. etrailer
  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
Trailer Idler Hub Assembly for 2K Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased

Trailer Idler Hub Assembly for 2K Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased

Item # AKIHUB-545-2-LF-1K
Our Price: $34.06
Trailer Hubs and Drums
Shipping Weight: 11 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, and lug nuts included. Fits 13" to 15" wheels. Great Prices for the best trailer hubs and drums from etrailer. Trailer Idler Hub Assembly for 2K Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased part number AKIHUB-545-2-LF-1K can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (30)
  • Q & A (0)
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etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-545-2-LF-1K

  • 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
  • Pre-Greased
  • Standard
  • 1/2 Inch Stud
  • L44643
  • L44643
  • etrailer

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, and lug nuts included. Fits 13" to 15" wheels.


  • Trailer hub assembly fits idler axles
    • Bearings, races, seal, grease cap, and lug nuts are included
  • Large hub flange allows for use with larger wheels
  • 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: 2,000-lb trailer axles with BT8 spindles
    • Compatible with standard axles from most manufacturers, including AxleTek, Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 13" to 15"
  • Bolt pattern: 5 on 4-1/2"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Hub diameter: 6.25"
  • Grease cap flange diameter: 1.988"
  • Weight capacity: 1,000 lbs
  • Limited 1-year warranty

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"

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-151-07-19-BT8 AxleTek Trailer Idler Hub for 2,000-lb Axles - 5 on 4-1/2 - Large Flange - L44643 Bearings - Pre Greased

Compare to Dexter 8-258BTUC1

Customer Satisfaction Score:

Customer Reviews

Trailer Idler Hub Assembly for 2K Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased - AKIHUB-545-2-LF-1K

Average Customer Rating:  4.9 out of 5 stars   (30 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, and lug nuts included. Fits 13" to 15" wheels.


i was very impressed with the quality of the product for the price. i will buy this product again when needed !



still doing great !! no problems.

Etrailer Expert

Mike L.


@Michael We're glad to hear that, thanks!


Fit was exactly what was described. Converting no lug bin trailer tires to more robust setup.


Snap on fit for our glider trailer axle. The etrailer assembly was reasonably priced and is well designed and coated with excellent paint.

The Grease amount was generous and it was very well packaged for a clean job.
Job was done in 30 minutes for both hubs.


The Package delivered on time. Thank yo u.



The Product is working great after 1 yaear. thank you


Parts were fine but the bearings were not packed with grease. There was a big blob of grease in the hub but not packed into the bearings.


Before and after photos.


Phone center directed me to the correct hubs for my trailer. Turns out to be exactly what was needed.
A breeze to install and came a day earlier than expected. Never disappointed with etrailer.


Very happy with my purchase, arrived fast and hassle free.


It looks like a quality product and the price was great. I installed this product immediately and upgraded from a four lug hub to five. It allowed me to upgrade my wheel and tire combo at the same time. Everything needed was included with the kit and was an exact fit. The only suggestion I have would be to improve the paint job as mine were flaking. I covered it with a coat of Rustoleum prior to install.


Upgraded the 4 lug hubs on my dad's 1973 boat trailer to these 5 lug hubs. Easy to install and topped them off with the marine grade stainless steel bearing buddy protectors - Model 1980A-SS w/ Auto Check - Stainless Steel (Pair).


Perfect fit for upgrading my utility trailer's 2K axle to 5 lug wheels. Best value around!


Excellent value. Saved me a ton of time vs repacking bearings and installing races and seal.


Very nice upgrade for a 2000 lb trailer. Pre-packed with grease and ready to install out of the box.


hubs fit prefect,tires too,just what i needed for log splitter so i can tow it.


I could not be happier with the parts I ordered and the short time required to receive them. If I ever need trailer parts again I will be back to etrailer.


Excellent service with super fast shipping. I ordered them sunday evening and they were sent out later that night.


good fit


Love the videos, the diagrams and the Q and A sections.




Perfect! Just as discribed!


Good price


Great service!!



Show More Reviews

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

  • Which etrailer Trailer Hub with 5 on 4-1/2 inch Bolt Pattern Fits 1-1/16 inch Diameter Spindle
    The big difference between those two part numbers is the spindle size they are designed to fit. The part # AKIHUB-545-2-LF-2K that you referenced is the correct fit for your spindle since you have a 1-1/16 inch diameter spindle whereas the # AKIHUB-545-2-LF-1K is the correct fit for spindles that are 1 inch in diameter.
    view full answer...
  • Parts Needed to Go From a 4-Bolt Hub to a 5-Bolt Hub on a Dexter 1,800 lb. Axle
    For your Dexter axle you will use either the Trailer Idler Hub Assembly # AKIHUB-545-2-LF-2K (for bearing size L44649) or the Trailer Idler Hub Assembly # AKIHUB-545-2-LF-1K (for bearing size L44643). You would just want to pull off your current hub and check which bearing you have. I have linked our selection of 13" wheels and tires that will fit either of the above hub assemblies.
    view full answer...
    Image 1 for
  • Trailer Idler Hub for 2,000 Pound Axle and 13 Inch Tires
    There isn't enough surface area on hub # AKIHUB-545-2-1K to safely mount and use a 13 inch wheel. The hub would have to be larger to properly support a 13 inch wheel. For a hub that uses the same bearings, can take a 13 inch wheel, and also has a 5 on 4-1/2 bolt pattern we have # AKIHUB-545-2-LFEZ-1K for EZ Lube axles or # AKIHUB-545-2-LF-1K for regular axles.
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  • Trailer Idler Hub with 5 on 4-1/2 Bolt Pattern that Fits a 1 Inch Diameter Straight Spindle
    To find the right replacement hub for a trailer you will need the inner and outer bearing numbers stamped into the sides of the bearings or the measurements of the spindle to 3 decimal places. The measurements have to be as accurate as possible so I recommend using digital calipers # PTW80157. I included a picture that shows where to measure. If the spindle diameter is 1 inch the whole length where the bearings ride then hub # AKIHUB-545-35-K will not fit. It takes 2 different bearing...
    view full answer...
    Image 1 for
  • Recommended Replacement Hub Assembly For 13" Trailer Wheels With A 5 on 4-1/2 Bolt Pattern
    The Easy Grease Trailer Idler Hub Assembly for 2K Axles - 5 on 4-1/2 - Galvanized # AKIHUB-545-2-G-EZ-2K you mentioned is actually only going to work with 10"-12". With that being said, I recommend going with the: -Trailer Idler Hub Assembly for 2K Axles # AKIHUB-545-2-LF-1K instead. This is the same hub assembly as # AKIHUB-545-2-G-EZ-2K but will work with your 13" trailer wheels as well.
    view full answer...
  • Trailer Hub That Fits BT8 Spindle for 2,000 lb Trailer Axles TRU59FR
    There are a number of different trailer hubs that fit the BT8 Spindle for 2,000-lb Trailer Axles # TRU59FR, though none with a 5 on 5-1/2" bolt pattern. The reason is that this spindle requires hubs with inner and outer bearings L44643, which are 1.000" diameter, and those all have a 5 on 4-1/2" bolt pattern; here are the hubs that fit: - Trailer Hub and Drum Assembly - 2K Axles # AKHD-545-2-1K - Trailer Idler Hub Assembly for 2K Axles - 8" to 12" Wheels # AKIHUB-545-2-1K - Trailer...
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  • Bearing Buddy that Fits Trailer Hub # AKIHUB-545-2-LF-1K
    Yes there is a Bearing Buddy that fits the hub part # AKIHUB-545-2-LF-1K that you referenced with the part # BB1980A.
    view full answer...
  • Availability Of Replacement Hubs with 5 on 4-1/2" Bolt Pattern and L44644 Bearings
    I'd be happy to help, but there is no such bearing as L44644. There's the # AKIHUB-545-2-LF-1K which has the 5 on 4-1/2" bolt pattern you want and uses inner and outer bearings # L44643 which are for a spindle that measures 1" in diameter. There's also the # AKIHUB-545-2-EZ-2K which also has the 5 on 4-1/2" bolt pattern you want but uses the slightly larger # L44649 which are for a spindle that measures 1.063" instead. Bearings should not be hard to remove at all from a spindle, make...
    view full answer...
  • Replacement Hubs for Malone MicroSport Trailer
    The Malone MicroSport Trailer # MPG460G uses a # 34823 grease seal and # L44643 inner and outer bearings like what you can find in the # BK1-100. For a complete hub assembly with the same 5 on 4-1/2 bolt pattern you can use the # CE13210.
    view full answer...
  • Upgrading Tire Size on a Harbor Freight Trailer
    I do have a solution for you, but we do not recommend using vehicle tires on a trailer. Trailer tires are built with stronger sidewalls to help resist the load that is put on them, while vehicle tires are made for a more smooth ride. Also, we do not carry spacers that are intended to make your tire and wheel stick out so that it can clear your trailer frame. To find out if you can upgrade your tires and wheels with your current setup, you can take the outer diameter and section width of...
    view full answer...
    Image 1 for Image 2 for
  • Should I Stay With 13" Wheels Or Upgrade To 14 Wheels?
    I will start by sating that the wheels/tires on the trailer you are looking at do look kind of undersized. So you definitely can stay with a 13" set up like the Kenda Karrier ST185/80R13 Radial Trailer Tire - Load Range D # AM10208 and Dexstar Steel Mini Mod Trailer Wheel - 13" x 4-1/2" Rim - 4 on 4 # AM20242, which will give you 1,660 pounds of capacity (the wheel is rated lower than the tire in this case). However, you need to have at least 3" of space from the top of the tire to the...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for
  • Availability of Spindle for Square Axle Fabrication
    We have two possible options for your 2" square axle depending on the capacity you're looking for. The # TRU97FR is for a 2,000 lb axle and the # TRU47FR is for a 3,500 lb axle. For the 2k spindle you can use the # AKIHUB-440-2-EZ-1K if you need a 4 on 4 bolt pattern or the # AKIHUB-545-2-LF-1K for a 5 on 4-1/2 bolt pattern. For the 3,500 lb spindle you can use the # AKIHUB-545-35-EZ-K which also has a 5 on 4-1/2 bolt pattern.
    view full answer...
  • How To Find Correct Replacement Wheels and Hubs for Triton XT10 Enclosed Snowmobile Trailer
    I do likely have some options for this trailer but we don't have any way to look up what parts it uses therefore you need to provide some information, namely the axle capacity which should be stamped onto the tag in the center of the beam. It likely uses 2,000 lb axles and in which case you would be looking at either the Trailer Idler Hub Assembly part # CE13110 for 4 lug or part # AKIHUB-545-2-LF-1K for 5 lug. If you have a different capacity you'll need to look through our list below...
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  • Replacement Bearing Kit For Idler Hub 5 On 4.5 With 1 Spindle and 1.24 Inner Diameter Grease Seal
    The measurements that you gave tell me that you have a BT8 Spindle # TRU59FR. If you wish to replace your bearings, races and grease seal you will want the Bearing Kit # BK1-100. This includes 2 Bearings # L44643, 2 Races # L44610, a Grease Seal # 34823 and a Cotter Pin # 165649. To make things easier you can replace your entire hub. Depending on your wheel size you can choose either the Idler Hub # AKIHUB-545-2-1K that has the 5 on 4-1/2" lug pattern you said you have with 10"-12"...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for
  • Replacement Hub for Boat Trailer Using L44643 Bearings
    Assuming you have a # L44643 inner and outer bearing, the correct bearing kit is the # BK1-100. The hub will depend on the bolt pattern you need. These hubs will come pre-greased and include the bearings, races, and grease seals. For a 4 on 4 I recommend the CE Smith Trailer Hub Assembly w/ Carrying Case for 2,500-lb Axles - 4 on 4 - Pre-Greased # CE13110. For 5 on 4-1/2 I recommend the Trailer Idler Hub Assembly for 2K Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased # AKIHUB-545-2-LF-1K....
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  • 5 on 4-1/2 Bolt Pattern Idler Hub Compatible with 15 Inch Rim and L44643 Inner and Outer Bearings
    For a 5 on 4-1/2 inch bolt pattern hub that's compatible with a spindle that uses the # L44643 as both the inner and outer bearing, I'd recommend the # AKIHUB-545-2-LF-1K from Axle Tech. The hub is compatible with 13-15 inch rims, so it'll work just fine for you. Races, bearings, grease cap and lug nuts are included. The hub includes a # 34823 grease seal, which has a 1.249 inner diameter. To ensure this will work for you, use a digital caliper like # PTW80157 to measure the diameter of...
    view full answer...

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Info for this part was:

Employee Lindsey S
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Employee Jeff D
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