1. Trailer Spindles
  2. TruRyde
  3. For 2000 lb Axle
  4. EZ Lube Spindle
  5. 1-1/4 Inch Diameter
  6. Round
BTR E-Z Lube Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter

BTR E-Z Lube Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter

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Replacement BTR E-Z Lube spindle welds onto your 2,000-lb trailer axle. Works with L44649 inner and outer bearings. Grease zerk makes greasing fast and easy. Castle nut, washer, and cotter pin included. Lowest Prices for the best trailer spindles from TruRyde. BTR E-Z Lube Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter part number TRU44FR can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (2)
  • Q & A (67)
  • Photos
  • Why etrailer?

TruRyde Trailer Spindles

  • For 2000 lb Axle
  • EZ Lube Spindle
  • 1-1/4 Inch Diameter
  • Round
  • TruRyde

Replacement BTR E-Z Lube spindle welds onto your 2,000-lb trailer axle. Works with L44649 inner and outer bearings. Grease zerk makes greasing fast and easy. Castle nut, washer, and cotter pin included.


  • Straight spindle replaces a worn or damaged BTR E-Z Lube spindle on your trailer
    • Can also be used to build a custom axle
  • Integrated zerk makes greasing your bearings easy
  • Weld-on installation
  • Sturdy steel construction
  • Castle nut, tang washer, and D-washer included


  • Application: 2,000-lb trailer axles
    • Spindle capacity: 1,000 lbs
  • Stub dimensions: 1-1/4" diameter x 4" long
  • Overall spindle length: 9-1/2"

Bearing, Race, and Seal Information

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

spindle diagram

Part NumberCapacityABCDEFRound/Square
TRU44FR1,000 lbs1.25"1.50"1.06"1.06"1.00"4.00"Round - E-Z Lube

SP-150BT16ZDNW-SEU125 TruRyde (TRP) Replacement EZ Lube BTR Spindle for 2K Axles - 1.25" Diameter x 9.5" OAL

Replaces R104BTREZ

Replaces SP-150BT16Z-SEU125

Item # TRU44FR

Customer Reviews

BTR E-Z Lube Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter - TRU44FR

Average Customer Rating:  4.5 out of 5 stars   (2 Customer Reviews)

Replacement BTR E-Z Lube spindle welds onto your 2,000-lb trailer axle. Works with L44649 inner and outer bearings. Grease zerk makes greasing fast and easy. Castle nut, washer, and cotter pin included.




Ask the Experts about this TruRyde Trailer Spindles

  • Can a 1-1/16 Inch Trailer Axle Spindle Handle Speeds of 75 Miles Per Hour
    Spindles typically do not have a speed rating. Traditionally, the component that limits the trailer speed is the tire. My contact at our spindle manufacturer confirmed that the spindle will perform well when the tire speed is complied with. I also recommend servicing your trailer often if you are driving at speeds upward of 75 mph. You will want to ensure the bearings are properly lubricated and red grease, like # L11390, will work well. I've attached a help article on trailer maintenance...
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  • Recommendation for Failing EZ Lube Spindle and Vortex Hub
    We do not carry the Vortex hubs made by Tie Down Engineering. Unfortunately because of this, I don't really know how to assist with troubleshooting the hubs themselves as they are designed to seal out moisture and debris, yet are obviously failing. The threaded cab should have an o-ring to prevent moisture entry and the seal should prevent it on the other side. The zerk fitting on your EZ lub spindles is a part of the spindle so to replace that would require changing the entire spindle....
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  • Recommended EZ Lube Spindles And Hub Assemblies For 205/50-10 Wheels
    For your 205/50-10 golf cart wheels with 4 on 4 inch bolt pattern, I recommend you use the BTR EZ Lube Spindle # TRU44FR. For compatible hub assemblies that include bearings and seal to fit, I recommend the Trailer Idler Hub Assembly for 2,000-lb E-Z Lube Axles - 4 on 4 # AKIHUB-440-2-EZ-2K. This combination will work well for you.
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  • Replacement Hub and Bearings for 1989 Tracker Boat Trailer
    Based on the pictures you attached and the outer bearing measurement you provided, it appears that you have 1-1/16 inch spindle like the BTR EZ Lube Spindle # TRU44FR. This particular spindle is designed for 2,000 pound axles and will use the same inner and outer bearing. I have attached the spindle's dimensions so you can compare them to what you have in order to verify the replacement bearing sizes. I recommend using a digital caliper like # PTW80157, as the measurements will need to...
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  • Choosing Proper Set Angle for Replacement Dexter Torsion Axle.
    To allow for full articulation so you don't have to worry about the tires bottoming out int he wheel wells, I'd recommend going with a 15° down torsion axle. If the original axle was a 0°, this would raise the trailer up a bit. A 'down' axle places the spindle centerline below the frame member, while a 0° would place it even with the frame.
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  • Which Grease Seal for Trailstar Boat Trailer
    I don't have reference that lists which grease seal the hub on your trailer uses. In order to recommend the correct grease seal, I'll need some information from you. I'll need the inner bearing reference number and the diameter of the spindle where the grease seal rides. When you measure the spindle diameter, you'll need to use a highly accurate measuring tool like a digital caliper. Once I have that information, I'd be happy to recommend a grease seal for you.
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  • Replacement 1-1/16 Inch Straight Spindle Recommendation
    It sounds like you are just needing BTR EZ Lube Spindle # TRU44FR for your trailer axle. This straight spindle features 1.06 (1-1/16) inch diameters where the inner and outer bearings sit. It also has a 1.500 inch diameter for the grease seal. If you need a complete bearing kit, you can use # BK1-150. I have attached a short video demonstration on this spindle that you can also check out. I do recommend having a qualified welder both remove your current spindle and install the new one.
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  • Correct 4 Lug Hub for EZ Lube Spindle 1.25 RD STUB
    Yes, the Trailer Idler Hub Assembly part # AKIHUB-440-2-G-EZ-2K is a match for the BTR E-Z Lube Spindle for 2,000-lb Trailer Axles part # TRU94FR. The bearings and seal are all a match so you will be good to go. There is also a rubber plug in the grease cap for the zerk fitting on the spindle so again, all is good.
    view full answer...
  • Bearing Kit for Redline 1-1/4 Inch Diameter Spindle
    The correct bearing kit for spindle # TRU44FR would be # BK1-150, along with grease cap # DC200L-DCRP. I have attached links to video reviews of each product for you.
    view full answer...
  • Choosing The Correct Hub And Spindle For Your 2,000 Lb Axle
    Yes, the Trailer Idler Hub Assembly for 2,000-lb E-Z Lube Axles part # AKIHUB-545-2-G-EZ-2K is a direct fit for the BTR EZ Lube Spindle part # TRU44FR. For future references, in order to ensure an exact fit, you will need to find the part number on the inside edge of the bearing and make sure it is a compatible fit with your spindle, using our chart. Part # AKIHUB-545-2-G-EZ-2K requires a inner and outer bearing inner diameter of 1.06" which again is included in the hub kit you selected...
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  • Availability of Straight Spindle with 2,000 lb Capacity
    The BTR style of spindle like the part # TRU44FR has bearing surfaces that are both 1.06 inch in diameter. That's probably the closest we have to a straight spindle in the capacity of 2,200 lbs like you want. 1.00 inch for the threaded portion 1.06 for the inner bearing surface 1.06 for the outer bearing surface 1.50 for the seal inner diameter surface
    view full answer...
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  • Availability of Bearings, Seals, and Cap For 2002 Trailstar Trailer
    The best way to determine the correct parts for your 2002 Trailstar trailer is to disassemble a hub on one side of the trailer and get the bearing part numbers that are stamped on the bearings. There is an inner and outer bearing. With these part numbers I will be able to determine the bearings, seals, and other parts you might need for your trailer. I looked up the Trailstar trailers and it looks like they use the EZ Lube hubs. The EZ Lube system will have a zerk fitting on the end...
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  • How Do Trailer Spindles Typically Install on Trailer Axle
    Removing a damaged spindle is the easy part - it can be cut off with a torch or saw. But welding on a new one is another matter and requires the new spindle be welded exactly straight. It is actually easier to replace the entire axle with a new one that has good spindles on both ends. This may even be less costly than having a new spindle welded on by a qualified welder. It will also ensure that both spindles will have the same working lifespan, which would not be the case if only one is...
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  • Availability of Trailer Spindle Washers with Tabs
    If you are talking about a washer like # 5-101, we have them. I cannot speak for any auto parts store but etrailer is here for you. We also have some other tang washers: # 5-59 or # 5-71.
    view full answer...
  • Replacement Spindle for Trailer Axle with Hub Part # 8-258
    The spindle you are looking for is a BTR spindle like the part # TRU44FR.
    view full answer...
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  • Dexter Spindle Washer For 1998 Kiefer Trailer
    We have exactly what you're needing. Part # 5-59 is a tang washer for a Dexter Axle. The ID is 1-3/4 inches, and the tabs are identical to what you describe, and the OD is 2-1/2 inches.
    view full answer...
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  • How to Determine Replacement Hubs for a Trailer Based on Spindle Dimensions
    If you cannot find the bearing number, we can still recommend the correct hub if you supply us with some precise measurements of the bearing and seal surface of your spindle. Check out the picture I attached that shows what portion of the spindle needs to be measured. The other dimensions on the picture I attached would also be helpful to know to determine what bearings and seals you have.
    view full answer...
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  • Hubs, Drums, Brakes and Spindle for a 2,000 lb Trailer Axle
    Yes, the Electric Trailer Brake Kit, # AKEBRK-2, the Trailer Hub and Drum Assembly, # AKHD-545-2-EZ-2K, and the EZ Lube Spindle, # TRU44FR, will work together. The brake mounting flange that you will want for this setup is part # 4-34 which should be welded to the end of the axle tube just behind the spindle. The flange must be welded perfectly square to the axle tube to ensure that the correct angle is kept with the camber of the axle tube, so be sure to have an experienced and qualified...
    view full answer...
  • Recommended Hubs And Wheels For 1984 Boat Trailer
    Unfortunately we don't have a hub that is compatible with your requirements. In order to assist, you would need to change your spindles and have them professionally welded. If you are willing to do this, you can use the BTR EZ Lube Spindle # TRU44FR and the Trailer Idler Hub Assembly for 2,000-lb E-Z Lube Axles - 5 on 4-1/2 - Galvanized # AKIHUB-545-2-G-EZ-2K which are great for a boat trailer. For tires to go with these hubs, I recommend the Kenda 205/65-10 Bias Trailer Tire...
    view full answer...
  • Steel Type for Trailer Axle Spindle TRU44FR
    I checked with Trudyde, and I was able to find out that the bar stock material used to make the spindle is hot rolled SAE 1045 steel, which allows the spindle to harden to an extent. The spindle needs to retain a slight amount of flex to retain its durability when a trailer goes over a bump or through a hole in the road.
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  • Is there Any Way to Determine the Trailer Bearing Measurements without Pulling the Hub
    The short answer is that you cannot. You will need to pull the hub and get the numbers stamped into the bearings to find the correct replacements. It is possible that if you know the spindle part number and/or dimensions that you will be able to determine the seals that way. I also may be able to figure it out if I had the bolt pattern of the wheel, see link, and the axle capacity. The best way is to pull the hub. I have included a link to a video that might help. If you are going to...
    view full answer...
  • Availability of Trailer Spindle With Bearing Surfaces that Measure 1-1/16 inch Diameter
    The BTR Spindle part # TRU44FR has bearing surface diameters that are both 1-1/16 inch in diameter. Where the grease seal would ride would measure 1.50 inches as well.
    view full answer...
  • Spindle Recommendation for Hub that Uses Inner and Outer Bearing L44649
    Based on your hub having two of the L44649 bearings that would mean you need a BTR spindle like the part # TRU44FR. To replace a spindle, the old one would need to be cut off, and the new one welded into place. This is NOT a job for the do-it-yourselfer. The new spindle must be absolutely square with the axle in order to prevent premature tire wear and wheel tracking problems. I would recommend finding a welder who is experienced with trailer axles. Your local RV dealer or repair facility...
    view full answer...
  • Replacement 2,000lb Trailer Axle Spindles And Hubs For Short Spindles.
    You will need the BTR E-Z Lube Spindle # TRU44FR to replace your current spindle as there are no longer 4 on 4" hubs available for that size spindle. This will get you a better availability of parts in the future as well. The Trailer Idler Hub Assembly # AKIHUB-440-2-EZ-2K will include new bearings, races, grease seal, lug nuts and E-Z grease cap. The parts are going to be pressed into the hub and pre greased for a simple installation.
    view full answer...
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  • Replacement Parts Needed To Convert Wheel Style Trailer Hub With Idler Hub On Homemade Boat Trailer
    To be able to install a different hub you will need to replace your spindles. The BTR E-Z Lube Spindle # TRU44FR as a 1-1/4" shaft that is designed to be welded inside your current axle tube. If your axle tube has a different inner dimension let me know and I can help you find the right one. This new spindle will get you common size bearings allowing for you to change hub styles and a E-Z lube grease zerk to ensure that your bearings are filled. You will be able to mount a 4 on 4" Hub...
    view full answer...
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  • Parts for a Custom 2K Axle with 58 Inch Spring Centers and 62-1/2 Inch Hub Face Measurements
    The hub face to hub face measurement is all going to depend on how you put it all together but I am sure you could get it to that measurement with the parts you mentioned. We do have 2,000 pound axles ready to go, see link, but they have a 72 inch hub face measurement which is the standard for that particular capacity. The hub face measurement will depend on the length of the axle tube you will be using. You should know that welding on a brake mounting flange such as # 4-34 requires...
    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 Alexander C
Written by:
Alexander C
Employee Noah M
Updated by:
Noah M

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