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BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter

BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter

Item # TRU59FR
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TRU59FR - Round TruRyde Trailer Spindles
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Replacement BT8 spindle welds onto your 2,000-lb trailer axle. Works with L44643 inner and outer bearings. Castle nut, washer, and cotter pin included. Lowest Prices for the best trailer spindles from TruRyde. BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter part number TRU59FR can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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TruRyde Trailer Spindles - TRU59FR

  • For 2000 lb Axle
  • Standard Spindle
  • 1-3/8 Inch Diameter
  • Round
  • TruRyde
  • 8-1/4 Inch Long

Replacement BT8 spindle welds onto your 2,000-lb trailer axle. Works with L44643 inner and outer bearings. Castle nut, washer, and cotter pin included.


Features:

  • Straight spindle replaces a worn or damaged BT8 spindle on your trailer
    • Can also be used to build a custom axle
  • Weld-on installation
  • Sturdy steel construction
  • Castle nut, washer, and cotter pin included


Specs:

  • Application: 2,000-lb trailer axles
    • Spindle capacity: 1,000 lbs
  • Stub dimensions: 1-3/8" diameter x 3-3/8" long
  • Overall spindle length: 8-1/4"


Bearing, Race, and Seal Information

  • Bearings (sold separately):
    • Inner bearing: L44643 (1.00" inner diameter)
    • Outer bearing: L44643 (1.00" inner diameter)
  • Races (sold separately):
    • Inner race: L44610
    • Outer race: L44610
  • Grease seal (sold separately): 34823
    • Inner diameter: 1.25"
    • Outer diameter: 1.983"

spindle diagram

Part NumberCapacityABCDEFRound/Square
TRU59FR1,000 lbs1.375"1.25"1.00"1.00"1.00"3.375"Round




SP-138BT8NWC TruRyde (TRP) Replacement BT8 Spindle for 2K Axles - 1.375" Diameter x 8.25" OAL

Replaces R104BT8-38






Customer Reviews

BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter - TRU59FR

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

Replacement BT8 spindle welds onto your 2,000-lb trailer axle. Works with L44643 inner and outer bearings. Castle nut, washer, and cotter pin included.

- TRU59FR
by:


1
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Ask the Experts about this TruRyde Trailer Spindles

  • How to Find a Replacement Spindle and Hub for a 5x10 SnowBear Utility Trailer with 2000 lb Axle
    We do have spindles and hubs for 2,000 lb axles, but we first want to determine which spindle and hub will work best for you. To do this we will need additional information about your current spindles and hubs to ensure the new spindle and hub match what you currently have. Unfortunately SnowBear does not provide general spindle and hub information for their trailers. The best way to ensure you get the correct spindle and hub is by using the part numbers of your bearings and grease...
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  • 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...
    view full answer...
  • Recommended Replacement Spindles for up to 2,000 lb Axles
    For your replacement spindles, you will want the BT8 Spindle # TRU59FR for a round axle or # TRU97FR for a square axle. This will give you the dimensions you referenced. You will want to have a professional shop do the welding to ensure they are safely attached and won't have any angle that could cause problems with your bearings, hubs, or wheels.
    view full answer...
  • Axle Recommendation for a Converted Off-Road Trailer
    If you are planning on purchasing a new trailer axle it will have a spindle already attached to it. Installing spindles is a very precise job that should only be done by a qualified fabricator with trailer fab experience. Since your planning on using the trailer for off-road purposes a better option might be the Timbren Axle-Less systems like the # ASR2KHDS03. This will give the trailer a 4 inch lift, is setup for wide off-road tires, will give better ground clearance than a standard...
    view full answer...
  • How Far Apart Do the Races Need To Be On a BT8 Spindle
    There is not really an exact required distance between the inner and outer race on a spindle as the trailer hub will dictate this distance and there can very well be some variances between different trailer hubs. However, I went out to our warehouse and pulled a trailer hub that is fit for the BT8 Spindle part # TRU59FR and measured the distance between the inner and outer races (inside to inside). I found this to be right at 2-1/16" so your trailer hub will need to be very close to this...
    view full answer...
  • Which Trailer Hub and Bearings Fit Spindle # TRU59FR
    For spindle # TRU59FR, you can use hub # AKIHUB-440-2-1K. This hub comes with the proper bearings # L44643 inner and outer. The Cap has an outer diameter of 1.986 outer diameter and Seal # 34823. The hub assembly is a 4 on 4 bolt pattern for 2,000 pound axles. You will want to make sure that the old bearings are stamped with L44643. If they have different numbers, let me know what they are and I can determine what the correct replacement hub is.
    view full answer...
  • Replacing Hubs On a 4' X 6' Carry On Trailer From 4 on 4" Lugs to 5 on 4-1/2" Lug Pattern 15" Wheels
    Your current axle on your 4' X 6' Carry on Trailer will likely have either a BT8 Spindle # TRU59FR or BTR Spindle # TRU44FR. You can determine the spindle by removing your current hub and inspecting the bearings or by measuring the spindle itself. I have included a image that shows the locations of the bearing numbers and grease seals on your current hub as well as the measurement points for spindle as well. The BT8 Spindle # TRU59FR uses Bearings # L44643 which have an inner diameter...
    view full answer...
    Image 1 for
  • Unable to Identify 4 Inch Spring That Fell Off While Repacking Bearings
    The only spring you may come across while repacking the bearings would be from the brake assembly. I would check out the brake assembly and see if it looks like a spring is missing. I have attached two different photos of brake assemblies which are labeled that you may reference to find the springs depending on what you have. There are also numerous photos and videos on the product page if you would like to look at the # AKEBRK-35-SA Electric Trailer Brake Kit.
    view full answer...
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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
  • Dimensions Of Dexter Hub Assembly For 8 to 12 Inch Wheels
    The Dexter Hub Assembly, part # 34822545BX is designed to be used with 2,000 lb axles and for 8 inch to 12 inch wheels. This assembly includes bearings, races, seal, grease cap, wheel bolts and lug nuts. I have attached a photo of the hub and have the hub length noted on the photo. The length of the hub is 4-1/4 inches and the inner diameter of the inner and outer bearings, part # L44643, that are included with the hub measure 1 inch. A spindle that is designed to work with the...
    view full answer...
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  • Which Spindles Will Work With My Trailer Idler Hub For 2,000-lb Axle AKIHUB-440-2-G-EZ-1K
    The Trailer Idler Hub Assembly for 2,000-lb E-Z Lube Axles - 4 on 4 - Galvanized # AKIHUB-440-2-G-EZ-1K that you are considering buying is designed to work with BT8 spindles rated at 2,000 lbs, just as the hub is rated at 2,000 lbs. If you need a 1-3/8" diameter spindle, use BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter # TRU59FR. If you need a 1-1/4" diameter spindle, use BT8 Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter # TRU94FR. For a square spindle, use Square BT8...
    view full answer...
  • Should a Spindle That is Chipping be Replaced
    Anytime that a spindle is starting to take damage you will want to replace it as that will affect the performance of your bearings and seal. In this case since that chipping is right where the seal sits (as you mentioned) that will eat at the rubber seal which will likely cause it to fail. A failed seal will leak grease and cause further damage to your spindle/hub area. From the picture you sent in it looks like you have a round BT8 spindle. For replacements we have parts # TRU94FR,...
    view full answer...
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  • How to Determine The Correct Replacement Trailer Hubs by Bearing Numbers or Spindle Size
    The best way to determine which replacement hubs you need for your trailer would be to remove one of the hubs and retrieve the bearings. Find the numbers stamped into the bearings and with those we will be able to get you the correct hubs. If you are unable to retrieve the bearing numbers, you can take measurements of the spindle. I have included a link to our spindle main page. At the top of the page is a diagram showing all of the measurements we would need to find the correct hubs...
    view full answer...
  • Trailer Spindle that Works with BT100 Hubs
    For your hub that uses L44643 bearings you can use one of 2 spindles: # TRU94FR # TRU59FR I have included links to video reviews of each of these spindles for you. If your bearings do not have L44643 stamped into them let me know what they are and I can see if there is a spindle that will work with them.
    view full answer...
  • Are the TruRyde Spindle # TRU59FR and etrailer Idler Hub Assembly # AKIHUB-545-2-2K Compatible
    The TruRyde Spindle # TRU94FR and our Trailer Idler Hub Assembly # AKIHUB-545-2-2K are not compatible, but you could use the TruRyde EZ Lube Spindle # TRU44FR instead as it has the correct spindle measurements. For a hub that will work with the TruRyde Spindle # TRU94FR you can use part # AKIHUB-545-2-1K. To determine if a hub is compatible with a specific spindle you will need to make sure that the inner diameters of the Inner Bearing, Outer Bearing, and Grease Seal of the hub matches...
    view full answer...
    Image 1 for
  • Correct Bearings for 1-3/8 Inch Spindle
    I do have the correct bearing for a 1.375" spindle like part # TRU59FR however, the L68149 bearing is not the correct bearing for this spindle. The correct bearing for the 1-3/8" spindle is the L44643 bearing like that in the Bearing Kit for 1" BT8 Spindle part # BK1-100 which is designed for 2,000 lb. axles. The Replacement Trailer Hub Bearing part # L68149 is compatible with an #84 spindle such as the Spindle # TRU24FR which is designed for use on a 3,500 lb axle. I have attached...
    view full answer...
  • How to Determine the Correct Replacement Spindle With Bearing 07100
    Bearing 07100 are older bearings with the same dimensions as bearing # L44643. The spindles that uses those inner and outer bearings are # TRU94FR and # TRU59FR. The difference between these is one measurement, the furthest outer diameter, which is 1.25" on TRU94FR and 1.38" on TRU59FR.
    view full answer...
    Image 1 for
  • Which Spindles Will Work with the Trailer Hub Assembly for 2,000 lbs Axles
    You can use any of three spindles with the Trailer Hub Assembly - 2,000 lbs Axles - 5 on 4-1/2, item # 34822545BX. I have listed these spindles below. # TRU94FR - BT8 Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter # TRU59FR - BT8 Spindle for 2,000-lb Trailer Axles - 1-3/8" Diameter # TRU97FR - Square BT8 Spindle for 2,000-lb Trailer Axles - 1-1/2" Wide The main difference in these spindles is the mounting dimensions on the inboard end of the spindles. the bearing seal and...
    view full answer...
  • Spindle Options that are Compatible with the Trailer Idler Hub Assembly # AKIHUB-440-2-1K
    We do have spindles that you can install on your axle which are compatible with the Trailer Idler Hub Assembly # AKIHUB-440-2-1K that you referenced. Part # TRU94FR has a 1.25" diameter x 3.37" long stub Part # TRU59FR has a 1.375" diameter x 3.437" long stub Part # TRU97FR has a 1.5" square x 3.32" long stub All of these are rated for a 2,000-lb axle. You will just need to choose the one that best suits your application.
    view full answer...
  • Does Trailer Hub Assembly for 2,000 Pound Axles Include Bearings and What Spindle Will Fit
    The inner and outer bearings, races, seals and cap are all included. We carry three spindles that will fit this hub. The differences is the shanks that are to be welded to the axle, but the machined portions will fit the hub assembly you were looking at. The spindles are part # TRU94FR, part # TRU59FR, and part # TRU97FR.
    view full answer...
  • Which Spindles Work with Trailer Hub Assembly - 2,000-lb Axles - 4 on 4 with L44643 Bearings
    There are several different spindles that you could use with hub # AKIHUB-440-2-1K. You will need a BT8 spindle such as # TRU94FR, # TRU97FR, or # TRU59FR. Any of these spindles will work with the hub # AKIHUB-440-2-1K.
    view full answer...
  • Replacement Trailer Spindle that Takes L44643 Bearings
    If both the inner and outer bearings are L44643 then you have a BT8 spindle. You can use # R104BT8, # TRU97FR, or # TRU59FR. All three of these spindles are rated for 1,000 pounds by themselves so they would be on a 2,000 pound axle. I have linked videos for all 3 spindles for you. Please note that installation of a spindle is a precision job that requires someone with experience in welding on spindles. If the spindle is welded on a little off then it can cause tire wear, suspension,...
    view full answer...
  • What Wheel Bearing Fits a Timken 07204 Race With a 1 Inch Axle
    From what I could find, the Timken 07204 Race has an outer diameter of 2.047 inches. The race that come with # DL21792 would have an outer diameter of 1.980 inches. This would be the closest option we have available. I can suggest a few replacement hubs that fit the 1 inch axle, however. If your wheels have a 5 on 4 1/2 bolt pattern, you would need either # AKHD-545-2-1K or # AKIHUB-545-2-1K. If you have a 4 on 4 bolt pattern, you would need # AKIHUB-440-2-EZ-1K. You can verify the bolt...
    view full answer...
  • Spindle Compatible With Trailer Idler Hub Assembly AKIHUB-440-2-1K
    The Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 - L44643 Bearings - Pre-Greased # AKIHUB-440-2-1K won't fit your trailer spindle as it will be too long. The reason is, this hub is designed to work on BT8 spindles, which are longer than what you have. The only solution we can offer is to replace your short and older spindles with a new one that will work with the Trailer Idler Hub Assembly # AKIHUB-440-2-1K, which is the BT8 Spindle for 2,000 lb Trailer Axles # TRU59FR. I...
    view full answer...
  • Determining if 2,000 lb Axle Needs 1-1/4 inch or 1-3/8 inch BT8 Spindle
    With trailer axle components there isn't typically a way to know what you need before getting into the hub/spindle area. Basically you'll need to remove your old one first and determine if you need the 1-1/4 inch BT8 part # TRU94FR or the 1-3/8 inch # TRU59FR.
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Written by:
Alexander C

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