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  1. Trailer Spindles
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  3. For 2000 lb Axle
  4. Standard Spindle
  5. 1-1/2 Inch Diameter
  6. Square
Square BT8 Spindle for 2,000-lb Trailer Axles - 1-1/2" Wide

Square BT8 Spindle for 2,000-lb Trailer Axles - 1-1/2" Wide

Item # TRU97FR
Our Price: $47.74
Trailer Spindles
Shipping Weight: 3 lbs
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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. Great Prices for the best trailer spindles from TruRyde. Square BT8 Spindle for 2,000-lb Trailer Axles - 1-1/2" Wide part number TRU97FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (22)
  • Q & A (0)
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TruRyde Trailer Spindles - TRU97FR

  • For 2000 lb Axle
  • Standard Spindle
  • 1-1/2 Inch Diameter
  • Square
  • TruRyde

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: 1-1/2" wide x 3-1/2" long
  • Overall spindle length: 8-3/8"


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
TRU97FR1,000 lbs1.50"1.25"1.00"1.00"1.00"3.50"Square




SP-150BT8-SQNWC TruRyde (TRP) Replacement BT8 Square Spindle for 2K Axles - 1.625" Wide x 8.375" OAL

Replaces SP204BT8





Customer Satisfaction Score:


Customer Reviews

Square BT8 Spindle for 2,000-lb Trailer Axles - 1-1/2" Wide - TRU97FR

Average Customer Rating:  4.8 out of 5 stars   (22 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.

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This was the ONLY place I could find this spindle, and even with shipping to Canada it was a good price. It was backordered but came earlier than expected. Welded it into my axle-less trailer and I'm good to go!



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Great products at great prices and they've always been easy to work with!



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Will work great for the application!



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Great prices, inventory. On time delivery. Thank you



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Helpful sales associate and speedy deli very



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22
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See what our Experts say about this TruRyde Trailer Spindles

  • Picking Out Trailer Hub for Trailer
    In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached an FAQ article on determining bolt pattern for you to check out. Next thing you will need to know is what spindle you have on your trailer. In order to do that you can either get the inner and outer bearing numbers from a hub...
    view full answer...
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  • Availability of 1 Inch Diameter Trailer Spindle To Fit on 1.25 Square Axle
    The two spindles that I have to fit a square axle are designed with a square stub diameter of 1.50 inches. The TruRyde BT8 Spindle 1-1/2" Square # TRU97FR, you have referenced is for 2,000-lb axles and the TruRyde Spindle, part # TRU47FR, is for 3,500-lb axles. They use different bearings and seals. I am including a link to a product page that will list the dimensions on the trailer spindles we have available. Square axles can be tough to determine capacity. Often times the same spindle...
    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...
  • Is a Damaged Spindle Safe to Use If Hub Fits It
    It might seem that the spindle being slightly bent isn't a big deal but it can definitely lead to another blowout so you'll want to replace that spindle with a new one. It looks like you have a straight spindle like the standard BT8 found as part # TRU94FR for a circular end or part # TRU97FR for a square end. A damaged spindle will cause more friction which, in turn, increases the amount of heat produced which can lead to your bearings failing or a tire blowout. So any time a spindle...
    view full answer...
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  • 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...
  • 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...
  • How to Pick Out an Axle for a 6 x 12 Utility Trailer
    Basically you will want to measure your trailer to determine where you will want the wheels of it to be so that you can pick out the correct length axle. There is not a set length of axle that a 6 x 12 trailer should take so you will have to determine about where you want the wheels to be and then measure the distance between where the mounting flange of the rims would be. The only size 3,500 lb axle we carry is the part # 35545I-EZ-89 which will have a distance of 89 inches from hub face...
    view full answer...
  • How to Check for a Bent Trailer Axle Spindle
    Assuming your tires are in good shape without any bulges the easiest way to determine if you have a bent spindle is to take a straight edge that is longer than the tire and lay it across the tire parallel with your trailer frame and then measure the distance from the frame to the straight edge in front and back of the tire. If the distance is the same then the spindle isn't bent. Beyond that your best option would be to take the trailer to someone qualified in trailer repair to have them...
    view full answer...
  • Recommended Replacement Spindle Or Axle For Older Spindle That Uses Short Hubs W/ L44643 Bearings
    I have a few different options for you, but the older short hubs that your trailers spindles use are not made any longer so I do not have a hub only option for you. Instead you will either need to replace the spindle with a newer one such as the # TRU97FR which works with idler hubs # AKIHUB-440-2-G-EZ-1K which have the 4 on 4" bolt pattern you are needing, or replace the entire axle. If you choose to go with a replacement axle you will need to measure your current axle from hub face...
    view full answer...
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  • Could a Hub Get Replaced on the Side of the Highway
    Spindles get welded to axles so there really is not an easy way to replace one on the side of a highway. The best advice I could give to you would be to periodically check the condition of the bearings on your trailer and be sure to grease them regularly and you should have a pretty reliable trailer setup. If you had a replacement hub in your vehicle you could pretty easily swap one if needed. Check out the video I attached on bearing inspection for you.
    view full answer...
  • Trailer Spindle and Hub That Uses Grease Seal 12407 and Bearings L44643
    Based on what you mentioned the correct hub you need is the # AKIHUB-545-2-G-1K as it has same bearing, seal, and bolt pattern info. The spindle you need is a BT8 like the part # TRU97FR which is for a square application.
    view full answer...
  • How to Use an 18 Inch Diameter Wheel on a Trailer
    I understand the look of using the same tire on the trailer as the tow vehicle but there are not going to be any performance benefits. In fact, using a passenger tire on a trailer is actually going to give you less performance than using a special trailer tire. The issue is that passenger tires do not have the sidewall capacity that is needed for use on a trailer. Trailer tires are going to experience much more flex than a passenger tire so the sidewalls need to be much stronger. I can't...
    view full answer...
  • 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...
  • Trailer Hub Assembly And Spindle Recommendations For 2000 LB Axle
    You are correct. The parts you listed, Trailer Hub Assembly, part # 8-258BTUC1, and TruRyde Trailer Spindle, part # TRU97FR, will work well together. You will want to make sure your wheel shave a 5 on 4-1/2 bolt pattern. I have attached a helpful article that explains how to measure the bolt pattern on your wheels. These are designed for a 2,000 lb trailer axle. You want to make certain the spindle is installed by a certified welder. The new spindle must be absolutely square with the axle...
    view full answer...
  • Troubleshooting Tire Wear On Outside of Front Trailer Tire
    Typically, when the outside edges of a tire are showing wear its because the tires are under-inflated. The solution is to inflate the tires to the maximum pressure listed on the sidewall in this situation. Check the suspension for worn out components or holes that are egg-shaped instead of round where the suspension components come together. Rusty components won't necessarily hurt the way the tires wear, but you should still check them.
    view full answer...
  • 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 threaded...
    view full answer...
  • Hub and Spindle that Can Fit 10 inch Wheel with 5 on 4-1/2 inch Bolt Pattern
    For a hub that is compatible with a 10 inch wheel and has a 5 on 4-1/2 inch bolt pattern you would want the Dexter part # 8-259-50 and then for a spindle part # TRU97FR .
    view full answer...
  • How to Choose the Correct Spindle When Building a Trailer
    You will want to go by the capacity of the axle/trailer and get spindles that will match. So for example if the trailer/axle is rated up to 2,000 pounds using the TruRyde spindle # TRU97FR that you were looking at would work. You will also want to look at the bearings each requires (related parts on each spindle page, see link) and avoid an agricultural spindle because it can be difficult to get replacement parts for those. Then you will look at the hubs associated with the bearings the...
    view full answer...
  • How to Determine what Replacement Hub and Bearing Kit
    Thanks for sending a couple pictures! An agricultural spindle is mainly used in agricultural settings and best at low speeds. The best way to determine the correct parts for your homemade trailer, is to remove the hub from the trailer and either get part numbers from the inner and outer bearings and races, and grease seal or measure the spindle in 3 places and the hub in two places. I have included a photo showing the places to look for part numbers and places to measure. If the part...
    view full answer...
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  • Recommended Replacement Axle For Homemade Trailer
    My recommendation is to replace the entire axle. That way you would not have any issues with replacement hubs, bearings, races, and other components you need for your trailer. I have attached a link to our product page for the axles we offer with idler hubs. You would need to measure your trailer to find the correct size axle. If you find you can use a 60 inch axle measured hub face to hub face I recommend part # 20440I-EZ-60. This includes the idler hubs with bearings, races, and seals....
    view full answer...
  • Is It Possible to Just Replace Trailer Axle Spindle if Axle is Still Good
    If your axles are fine you can replace just the spindle and be totally fine. This is a common enough situation which is why we offer just replacement spindles like the part # TRU97FR that you were looking at. Trailer spindles must be installed by a qualified professional welder. Spindles must be welded on perfectly concentric or you will have tracking problems. A trailer shop will have the right jigs to allow the spindle to be welded on correctly.
    view full answer...
  • How To Select The Correct Steel Tubing For Building a 2,000LB Trailer Axle?
    Your best source for selecting the correct steel is going to be with the steel company you will be purchasing the steel from. As there is different types of steel they will be able to help you identify the correct thickness and size for building a 50" axle with the Spindle # TRU97FR, Hub # AKIHUB-545-2-G-1K and Wheel & Tire # AM30150.
    view full answer...
  • Can 1,500 lb Trailer Axle be Swapped for 3,500 lb Axle
    What you are looking to do is very possible. It would just be a matter of picking out the 3,500 lb capacity trailer axle that matches the dimensions your trailer needs. Also, the welder you spoke with is spot-on with recommending buying an axle with the flange already installed as they are actually harder than you'd think to weld on since it requires special jigs so that the alignment is right. So to pick out an axle the two important dimensions you need is the distance from hub face to...
    view full answer...
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  • 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, and...
    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 Kathleen M
Installed by:
Kathleen M
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Written by:
Alexander C

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