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  1. Trailer Spindles
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  3. For 3500 lb Axle
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#84 Spindle for 3,500-lb Trailer Axles - 2" Diameter

#84 Spindle for 3,500-lb Trailer Axles - 2" Diameter

Item # TRU24FR
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Replacement #84 spindle welds onto your 3,500-lb trailer axle. Works with L68149 inner bearing and L44649 outer bearing. Castle nut, washer, and cotter pin included. Lowest Prices for the best trailer spindles from TruRyde. #84 Spindle for 3,500-lb Trailer Axles - 2" Diameter part number TRU24FR can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (20)
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TruRyde Trailer Spindles - TRU24FR

  • For 3500 lb Axle
  • Standard Spindle
  • 2 Inch Diameter
  • Round
  • TruRyde

Replacement #84 spindle welds onto your 3,500-lb trailer axle. Works with L68149 inner bearing and L44649 outer bearing. Castle nut, washer, and cotter pin included.


Features:

  • Tapered spindle replaces a worn or damaged #84 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: 3,500-lb trailer axles
    • Spindle capacity: 1,750 lbs
  • Stub dimensions: 2" diameter x 2-3/4" long
  • Overall spindle length: 8-1/4"


Bearing, Race, and Seal Information

  • Bearings (sold separately)
    • Inner bearing: L68149 (1.378" inner diameter)
    • Outer bearing: L44649 (1.063" inner diameter)
  • Races (sold separately)
    • Inner race: L68111
    • Outer race: L44610
  • Grease seal (sold separately): 58846
    • Inner diameter: 1.719"
    • Outer diameter: 2.565"

spindle diagram

Part NumberCapacityABCDEFRound/Square
TRU24FR1,750 lbs2.00"1.719"1.378"1.063"1.00"2.75"Round




SP-20084NWC TruRyde (TRP) Replacement #84 Spindle for 3.5K Axles - 2" Diameter x 8.25" OAL

Replaces R40484






Customer Reviews

#84 Spindle for 3,500-lb Trailer Axles - 2" Diameter - TRU24FR

Average Customer Rating:  4.9 out of 5 stars   (20 Customer Reviews)

Replacement #84 spindle welds onto your 3,500-lb trailer axle. Works with L68149 inner bearing and L44649 outer bearing. Castle nut, washer, and cotter pin included.

- TRU24FR
by:

Worked great! Will order again if neede d!!



- TRU24FR
by:

Exactly what I needed. Shipped in a timely fashion.



- TRU24FR
by:

Excellent service I called and they were the best



- TRU24FR
by:

Everything worked out well.



- TRU24FR
by:

very nice people to deal with, will order from etrailer when i need more trailer parts. shipping and delivery is very prompt.



- TRU24FR
by:

Fast shipping...Thanks



- TRU24FR
by:

right size works as advertised



- TRU24FR
by:

Only one i could find anywhere that was a true 2” shaft. Worked great



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Ask the Experts about this TruRyde Trailer Spindles



  • Cause for Uneven Tire Tread Wear on One Tire of Tandem Axle Utility Trailer
    It sounds like your Haulmark 7 x 12-foot tandem axle enclosed utility trailer has a bent left rear spindle. This could occur from an impact with road debris or from hitting a curb with the trailer fully loaded. If both tires on the same axle showed equal wear on their inside edges then this would tend to indicate overloading of the axle, but since it is only one of the four wheels the problem is likely to be localized to that one spindle. If the spindle were to be bent upward then the...
    view full answer...
  • Spindle Dimensions of a 3500 lb Axle
    3500 lb axles have the most common and most consistent spindle sizes. They are typically 1.73 inches at the seal, 1.38 inches at the inner bearing and 1.06 inches at the outer bearing like # TRU24FR. I've attached a video to assist. I've linked the page to all of the options for hubs or hub/drum assemblies for this size spindle. There are 4 different sizes for 5 bolt assemblies and I've attached an article to assist.
    view full answer...
  • Recommended #84 Spindle for a 3500 Pound Axle Measuring 2-3/8 Inches in Diameter
    The TruRyde #84 Spindle # TRU24FR does have a 2 inch diameter, but that is actually designed to fit inside the 2 3/8 inch axle. The stub on the end will extend inside the axle a little ways allowing for added support
    view full answer...
  • Replacement Spindle for 3,500 lb Trailer Axle with 2-3/8 inch Diameter
    Since you have a 2-3/8 inch diameter axle and that indicates you have a 3,500 lb axle the 84 spindle like the part # TRU24FR will work great as that is what capacity this axle was designed for. Installing spindles is a precision job that should only be done by a welder with the needed jigs to get the spindle completely square to the axle.
    view full answer...
  • Availability of Spindle that Would Fit Square Tube Axle
    New spindles should be welded on only by a professional welder who has experience and the correct jigs for installing spindles perfectly straight and concentric. If not installed correctly the trailer may not track properly and uneven tire wear can occur. It might be more trouble than it's worth to try and fit a round spindle like the part # TRU24FR in a square tube axle by trimming it. We have a square version of this spindle as part # TRU47FR.
    view full answer...
  • Is There a #84 Spindle for 3,500 lb Trailer Axles That Comes With Brake Flange
    There is an option very, very similar to the #84 Spindle for 3,500 lb Trailer Axles - 2" Diameter # TRU24FR that includes a brake mounting flange, though not exactly the same. The difference is in the stub dimensions, as the aforementioned has a 2" diameter stub, and the option that comes with a brake flange has a 1-3/4" diameter stub: - #84 E-Z Lube Spindle w/ Brake Flange for 3,500-lb Trailer Axle - 1-3/4" Diameter # TRU74FR Apart from that, the difference is that this spindle is an...
    view full answer...
  • What Size Axle Does a #84 Spindle Fit
    A true 1 inch spindle is a BT8 spindle, like # TRU94FR. The next closest one would be the BTR spindle which is commonly referred to as a 1-1/16 inch spindle, like # TRU44FR and is more common than the BT8. Both of these are typically used with 2,000 lb axles. A #84 spindle, like # TRU24FR or # TRU47FR is bigger and is used for 3,500 lb axles. Common sizes for these are 2-3/8 inch round axle, 3 inch round axle, and 2 inch square axle. I have linked a helpful page that shows the different...
    view full answer...
  • What Grease Seal Do I Need For A #84 Spindle
    Yes, the correct grease seal for a #84 spindle like # TRU24FR, is the Grease Seal # 58846. The inner diameter of 1.719", and an outer diameter of 2,565".
    view full answer...
  • Replacement Spindles For 3,500LB Trailer Axle With Tapered Spindle with 1-1/16" & 1-3/8" Bearing ID
    We do have the following replacement spindles that will fit on your axle. #84 Spindle for 3,500-lb Trailer Axles - 2" Diameter # TRU24FR #84 Spindle for 3,500-lb Trailer Axles - 1-3/4" Diameter # TRU84FR #84 Spindle for 3,500-lb Trailer Axles - 1-3/4" Diameter # TRU64FR #84 E-Z Lube Spindle w/ Brake Flange for 3,500-lb Trailer Axle - 1-3/4" Diameter # TRU74FR
    view full answer...
  • Replacement 3,500 lb Trailer Spindle that Fits In 2 inch Axle Tube
    Spindles have to be welded onto a trailer axle by a pro with the correct jigs to allow it to have perfect alignment. That would be why you weren't able to simply insert the spindle.
    view full answer...
  • Spindles That Will Work With Dexter Trailer Hub Assembly # 84545UC1-EZ
    We offer 3 spindles that have the dimensions compatible with the Dexter Trailer Hub Assembly, part # 84545UC1-EZ. The first is part # TRU74FR. This is a 1.75 inch round EZ-Lube spindle with a grease fitting and a brake flange. This spindle has an overall length of 9 inches. The next is part # TRU64FR. This is a 1.75 round spindle that does not have the brake flange or grease zerk fitting. This spindle has an overall length of 8-1/4 inches. The third is part # TRU24FR. This is a 2 inch...
    view full answer...
  • Recommended #84 Spindle for a Hot Walker
    The Dexter Trailer Hub and Drum Assembly for 3,500-lb E-Z Lube Axles part # 84546UC3-EZ is designed to work with an #84 spindle that has an inner bearing L68149 (1.378" inner diameter) and an outer bearing L44649 (1.063" inner diameter). Therefore, for a spindle that will work with this hub assembly, I recommend using part # TRU24FR for round or part # TRU47FR for square.
    view full answer...
  • Availability of Brake Mounting Flange for Axle Spindle TRU24FR
    We do, but we also have this spindle with the flange already welded on with the part # TRU74FR. Since the spindle part # TRU24FR normally fits a 2-3/8 inch diameter axle the correct flange would be the part # 4-35.
    view full answer...
  • What Spindle Will Work for Trailer Hub Assembly with L68149 Inner and L44649 Outer Bearings
    The Trailer Hub Assembly # 84550BX that you referenced will use # L68149 as the inner bearing and # L44649 as the outer bearing. These are the inner and outer bearings used by a # 84 spindle. We offer the following spindles: #84 Spindle for 3,500-lb Trailer Axles - 1-3/4" Diameter (11-1/4" OAL) # TRU84FR [R2061-284] #84 E-Z Lube Spindle w/ Brake Flange for 3,500-lb Trailer Axle - 1-3/4" Diameter (9" OAL) # TRU74FR [R20384EZ] #84 Spindle for 3,500-lb Trailer Axles - 1-3/4" Diameter (8-1/4"...
    view full answer...
  • What Axle Capacity Matches Spindle Diameter of 1.37 inch Where Inner Bearing Rides
    The inner bearing dimension on a spindle of 1.37 inch would indicate that the spindle is an 84 spindle like the # TRU24FR which would indicate that it's a 3,500 lb axle.
    view full answer...
  • Idler Hub for Trailer Axle with 1-1/16 Inch and 3/4 Inch Tapered Spindle
    I do have an option for you but we do not offer any trailer hubs with bearings that match the dimensions you provided. Therefore, we can either offer you a new spindle like the TruRyde Spindle part # TRU24FR or a new axle like the Dexter Trailer Axle Beam with E-Z Lube Spindles part # 7359765. There is not a lot of room for error when replacing a spindle therefore unless you are an experienced welder then replacing the axle will be your best option. In order to recommend a replacement...
    view full answer...
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  • Do I Need to Replace #84 Spindle With Rust On Surface and What Bearing Kit Do I Need
    You should still be able to use your spindle without having to replace anything, especially because this is not in the seating areas for the bearings. Regardless, I recommend cleaning off the spindle with emery cloth to try to remove as much of the rust as possible. You'll want to take care to make sure that there is no pitting on the spindle that might damage the new bearings, which would be the only case that I recommend replacing the spindles. If you do end up needing to replace your...
    view full answer...
  • What Hubs Will Fit Redline 2-Inch x 4-Inch Round Spindle # TRU24FR
    The #84 spindle you reference, TruRyde # TRU24FR, is rated for use on 3500-lb axles. This spindle is compatible with both of the hubs you mentioned, parts # 84545BX, which is an idler hub; and # 84546UC3-EZ, which is a 10-inch drum brake hub intended for use with EZ-Lube spindles. The TruRyde spindle # TRU24FR is not an EZ-Lube spindle but it would still work with hub # 84546UC3-EZ. If you prefer a non-EZ-Lube version of this hub you can use part # 84546UC3. TruRyde does make an EZ-lube...
    view full answer...
  • 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 our...
    view full answer...
  • What Spindle Works with the Kodiak Disk Brake Assembly # K1HR35D?
    For the Kodiak Disc Brake Assembly - 10" Hub/Rotor - 5 on 4-1/2 - Dacromet - 3,500 lbs # K1HR35D, you need a Dexter #84 Spindle like the #84 Spindle for 3,500-lb Trailer Axles - 2" Diameter # TRU24FR or the #84 E-Z Lube Spindle w/ Brake Flange for 3,500-lb Trailer Axle - 1-3/4" Diameter # TRU74FR. It is important to note that the spindle must be welded perfectly square onto the axle. If the spindle is even slightly lopsided, you will not have an even wheel surface for the trailer. We here...
    view full answer...
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  • Replacement Spindle Compatible with Tie Down Engineering 46210 Hubs
    You have a standard 3500 lb axle, which uses a # 84 spindle compatible with a L68149 inner and an L44649 outer bearing. We offer a few replacement # 84 spindles with different stub diameters. • For an E-Z lube spindle with a brake flange and a 1-3/4 inch diameter stub, use # TRU74FR • For a standard spindle without the brake flange and a 2 inch diameter stub, use # TRU24FR
    view full answer...
  • Is Redline Trailer # 84 Spindle a Fit for Dexter 8-247 Drums
    You are correct that the TruRyde #84 Spindle, like part # TRU24FR, which you reference, is a fit for your Dexter trailer hub and drum, part # 8-247-50. Please note the spindle has a 1750 lbs. capacity, so two spindles will give your axle a 3500 lbs. capacity. I would strongly recommend you take the axle to a qualified machine shop to have the appropriate welds done.
    view full answer...
  • Replacement Hub Needed for TruRyde #84 Trailer Spindle # TRU24FR
    You are correct, the Trailer Hub Assembly - 3,500 lbs Axles - 5 on 4-1/2, item # 84545BX, is compatible with the TruRyde #84 Trailer Spindle, item # TRU24FR. The Trailer Hub Assembly - 3,500 lbs Axles - 5 on 4-1/2 comes with innner and outer bearings, grease seal, lug nuts and grease cap for a complete replacement package.
    view full answer...
  • Correct 5 Bolt Hub for #84 Spindle for 3,500-lb Trailer Axles
    Yes, I can confirm the Trailer Idler Hub Assembly part # AKIHUB-545-35-K will work with the #84 Spindle for 3,500-lb Trailer Axles part # TRU24FR.
    view full answer...


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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Written by:
Alexander C
Employee Michael B
Installed by:
Michael B

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