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Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased

Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased

Item # AKIHUB-440-2-2K
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Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased 1/2 Inch Stud AKIHUB-440-2-2K
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Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BTR spindles. Inner bearing (L44649) and race, outer bearing (L44649) 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 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased part number AKIHUB-440-2-2K can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (43)
  • Q & A (42)
  • Videos (1)
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etrailer by AxleTek Trailer Hubs and Drums - AKIHUB-440-2-2K

  • 4 on 4 Inch
  • For 2000 lbs Axles
  • Hub
  • Standard
  • 8 Inch Wheel
  • 10 Inch Wheel
  • 12 Inch Wheel
  • 13 Inch Wheel
  • 14 Inch Wheel
  • etrailer
  • 1/2 Inch Stud
  • L44649
  • L44649

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BTR spindles. Inner bearing (L44649) and race, outer bearing (L44649) 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: 2,000-lb trailer axles with BTR spindles
    • Compatible with standard axles from most manufacturers, including Dexter, Lippert (LCI), and AL-KO
  • Wheel size: 8" to 14"
  • Bolt pattern: 4 on 4"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Grease cap flange diameter: 1.988"
  • Weight capacity: 1,000 lbs
  • Limited 1-year warranty

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: L44649 (1.063" inner diameter)
    • Outer bearing: L44649 (1.063" inner diameter)
  • Races (included)
    • Inner race: L44610
    • Outer race: L44610
  • Grease seal (included): 10-9
    • Inner diameter: 1.50"
    • Outer diameter: 1.987"

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-100-07-19 AxleTek Trailer Idler Hub Assembly for 2K Axle with Hardware - 4 on 4 - Pre Greased

Video of Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased

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

Video Transcript for Review of etrailer Trailer Hubs and Drums - Hub - AKIHUB-440-2-2K

Today we're going to take a look at the pre-greased trailer idler hub assembly for a 2000-lb axle with a 4 on 4" bolt pattern. Now this trailer hub assembly will fit on a 2000-lb idler axle with the BTR spindles. And what's nice about this one, it's a pre-greased idler hub assembly, which makes it very easy to install. No need to pack any bearings and already comes with the bearings packed with grease. And they're lubricated with a heavy duty grease for marine applications. It does include both the inner and outer bearings, pre-greased.

The bearing races and the grease seal. You can see if I pop the plug right there, there's your seal already installed also. They do come with these covers to keep the grease in place. Also comes with the four 1/2" by 20 size lug nuts, the two grease caps, and they give you two grease caps because you can use it on either a standard axle with the close center cap or an easy lube axle that has the easy lube center cap with the rubber center plug.The Seidler hub is a sturdy iron construction. Uses a zinc enriched paint on the hub to have durability and it does meet the QAI and CSA certifications.

Again, the application for this is 2000-lb axle with the BTR spindles and this is compatible with standard and easy lube axles from most manufacturers including Dexter, Lippert and Elkco. The bolt pattern on this is a 4 on 4" bolt pattern. Wheel stud size is a 1/2" diameter. The grease cap flange diameter is 1.99" and the weight capacity on this idler hub is 1000-lbs, so want to choose with one on the other side, it'll meet your 2000-lb axle capacity.Now the bearings that are pre-installed with this included the inner bearing, which is part number L44649. Has a 1.063 inner diameter and the outer bearing which is the same L44649 with the 1.063 inner diameter.

It includes the grease seal part number 10-9. That grease seal has an inner diameter of 1.5" and an outer diameter of 1.99".But that should do it for the review on the pre-greased trailer idler hub assembly for 2000-lb axles with the 4 on 4" inch bolt pattern.

Customer Reviews

Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44649 Bearings - Pre-Greased - AKIHUB-440-2-2K

Average Customer Rating:  4.6 out of 5 stars   (43 Customer Reviews)

Hub is designed for use on trailer idler axles. Fits 2,000-lb axles with BTR spindles. Inner bearing (L44649) and race, outer bearing (L44649) and race, grease seal, grease cap, and lug nuts included.

- AKIHUB-440-2-2K

Come with good bearings that roll smooth and seals, fit nicely, and the studs had nice threads and lug nuts. Only gripe is they will start to surface rather quickly if you run them in the winter with salt on the roads and use them on a small boat trailer like I am, so I’d suggest spraying them with some nice rust preventing spray paint as soon as you can. 628840

- AKIHUB-440-2-2K

very fast service and delivery, will be ordering again 639246

- AKIHUB-440-2-2K

The hub, bearings, seal, and internal races were all satisfactory and installed great after packing and preload, however the grease cap is a joke. Trying to finish my job, the caps would NOT install into the hub ends with any gentle force. Tried to increase the force to get them on, and they simply give in and begin to flatten in towards the castle nut. Absolute garbage. I've never fought grease caps so bad in my life. I had to use my old ones. These new ones would not install - and even if they did at this point, they're so jacked up they'd rub the end of the axle. 0 stars for those caps. Don't ever send me anymore. Garbage. 653043

- AKIHUB-440-2-2K

My only problem with the order was the inner seals were too big for the axle lands. The service was prompt and the rest of the parts were perfect. I replaced the inner seals with the correct ones locally, and I've had no problems with the hubs or bearings. 382720

- AKIHUB-440-2-2K

I’m having an issue with the seal on the inside portion of the hub / spindle that I just purchased. The exterior dimension of the seal is the same size as the old one but my the opening that goes over the spindle to form the seal is too large on the new one. Can you please advise? I have a trip this weekend with the trailer. The old seal is shot and not reusable. Thanks 575435

If the 10-9 grease seal that came with the Trailer Idler Hub Assembly part AKIHUB-440-2-2K did not fit then odds are you need the Double Lip Grease Seal part 34823 which measures 1.249 inner diameter ID and 1.983 outer diameter OD. However, in order to confirm this you need to measure the outer diameter of the spindle where the grease seal seats with a digital caliper like part # 301-17068 to the nearest thousandth of an inch.
Mike L - 10/19/2018


- AKIHUB-440-2-2K

parts were a perfect fit. got the trailer road worthy and the trip went off without a hitch 666110

- AKIHUB-440-2-2K

Perfect fit for 1997 Haulin 4x8 trailer 664356

- AKIHUB-440-2-2K

Just what I needed. 657548

- AKIHUB-440-2-2K

I thought I ordered two (2), but one is all I need at this time. I just thought it would be a good Idea to change them both at the same time. However, the product was what I ordered, the price was right and the service was faST. 627729

- AKIHUB-440-2-2K


- AKIHUB-440-2-2K

I ordered 2 trailer wheels, 2 wheel hub sets, 2 spindles and spare grease seals for future hub bearing maintenance. These items were shipped within 5 days. All parts were securely packaged in several layers of extra heavy duty boxes, then placed in a larger extra heavy duty box with handle cut outs. All the boxes were fastened together with heavy duty staples and all seams were sealed. Price, shipping and parts are excellent. Could not of had a better experience anywhere else. I will order all my future trailer parts from e-trailer. 599639

- AKIHUB-440-2-2K

If you ever need ANYTHING they carry , order it from etrailer.com , ive ordered numerous items over the years and always satisfied! Super nice people and CRAZY FAST SHIPPING!!!!!! Thx! 598026

- AKIHUB-440-2-2K

Hub assembly came with wrong size grease seals. Everything else fit properly. 596578

- AKIHUB-440-2-2K

A year ago I rebuilt an old jet-ski trailer, converting it to a kayak trailer. I tore it completely down, and rebuilt it with parts purchased from etrailer.com. I couldn't be more pleased with the results, and my friends continue to comment on how nice the trailer is. Ordering the parts from etrailer.com was easy, very reasonably priced, and they arrived quickly and in perfect working order. I will definitely use etrailer.com again in the future. 596201

- AKIHUB-440-2-2K

As described.......fast ship..........t hanks! 593428

- AKIHUB-440-2-2K

As described,fast ship, satisfied! 593422

- AKIHUB-440-2-2K

As described...........fast ship......t hanks! 593417

- AKIHUB-440-2-2K

Quality Product, as described,fast ship ............satisfied! 593412

- AKIHUB-440-2-2K

As described............fast ship...... .....satisfied! 593046

- AKIHUB-440-2-2K

Quality Product, fast ship!!!!!!!!!!!! 593407

- AKIHUB-440-2-2K

Quality product, excellence customer service, and prompt delivery. Overall great experience with this company. 580823

- AKIHUB-440-2-2K

These are high quality cast hubs. Theses are exact replacements with the exception of the grease seal. I ordered those separate to fit my axles. I needed the 1.06 bearings but a 1.375 seal. These come with the 1.5 seal 562273

- AKIHUB-440-2-2K

Excellent service , I needed a new hub for my small trailer and the only information I had was the race no.. Miss Molly was the individual who was helping me and she was able to get the correct axel size and had it in two days. Everything fit fine. I recommend them highly. 558847

- AKIHUB-440-2-2K

Easy to order and part was received fast. Thank you 557792

- AKIHUB-440-2-2K

The part arrived quickly and everything was what I wanted. 496839

Working Fine Yet.
Ronald E - 04/15/2019

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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Installed by:
Jeff D
Installed by:
Randy B
Video Edited:
Chris R
Updated by:
Alexander C
Video by:
Zach D

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