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  6. EZ Lube Spindle
#42 E-Z Lube Spindle w/ Flange for 5.2K to 7K Trailer Axles - 2-1/4" Diameter

#42 E-Z Lube Spindle w/ Flange for 5.2K to 7K Trailer Axles - 2-1/4" Diameter

Item # TRU37FR
Retail:$74.45
Our Price: $69.16
You Save: 7%
Trailer Spindles
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Shipping Weight: 11 lbs
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Replacement #42 E-Z Lube spindle welds onto your 5,200-lb to 7,000-lb trailer axle. Works with 25580 inner bearing and outer bearings with 1.25" inner diameter. Grease zerk makes greasing easy. Flange lets you attach a brake assembly. Lowest Prices for the best trailer spindles from TruRyde. #42 E-Z Lube Spindle w/ Flange for 5.2K to 7K Trailer Axles - 2-1/4" Diameter part number TRU37FR can be ordered online at etrailer.com or call 1-800-496-5010 for expert service.
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  • Reviews (34)
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TruRyde Trailer Spindles - TRU37FR

  • For 5000 lb Axle
  • For 6000 lb Axle
  • For 7000 lb Axle
  • EZ Lube Spindle
  • 2-1/4 Inch Diameter
  • Round
  • TruRyde

Replacement #42 E-Z Lube spindle welds onto your 5,200-lb to 7,000-lb trailer axle. Works with 25580 inner bearing and outer bearings with 1.25" inner diameter. Grease zerk makes greasing easy. Flange lets you attach a brake assembly.


Features:

  • Straight spindle replaces a worn or damaged #42 E-Z Lube spindle on your trailer
    • Can also be used to build a custom axle
  • Integrated zerk makes greasing your bearings easy
  • Mounting flange lets you bolt on a brake assembly
  • Weld-on installation
  • Sturdy steel construction
  • Castle nut, washer, and cotter pin included


Specs:

  • Application: 5,200-lb - 7,000-lb trailer axles
  • Stub diameter: 2-1/4"
  • Spindle capacity: 3,500 lbs
  • Overall spindle length: 11"
  • Brake flange configuration: 5 bolt


Bearing, Race, and Seal Information

  • Bearings (sold separately)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: varies depending on hub capacity (1.25" inner diameter)
  • Races (sold separately)
    • Inner race: 25520
    • Outer race: varies depending on outer bearing
  • Grease seal (sold separately): GS-2250DL
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"

Note: Only works for grease applications.



SP-22542FZNWC TruRyde (TRP) Replacement EZ Lube #42 Spindle for 5.2K - 7K Axles - Brake Mounting Flange - 2.25" Diameter x 11" OAL

Replaces R50342EZ





Customer Satisfaction Score:


Customer Reviews

#42 E-Z Lube Spindle w/ Flange for 5.2K to 7K Trailer Axles - 2-1/4" Diameter - TRU37FR

Average Customer Rating:  4.7 out of 5 stars   (34 Customer Reviews)

Replacement #42 E-Z Lube spindle welds onto your 5,200-lb to 7,000-lb trailer axle. Works with 25580 inner bearing and outer bearings with 1.25" inner diameter. Grease zerk makes greasing easy. Flange lets you attach a brake assembly.

by:

the product is great which is why purchased it to rebuild my axles on my gooseneck car hauler. I was greatly disappointed in the shipping which turned out to be more of a poorly planned joke. First product was back ordered and I was never informed of the 1 month lead time it took. I only got emails pushing the shipping date back one week at a time. I finally reached out and was Informed they were waiting for the manufacture to build the product. When I finally got the 4 spindles the box was absolutely destroyed. Spindles were loosely put in box allowing 40 lbs of metal to roll freely which tore the box to pieces. Now I have spindles that are missing 3 out of 4 castle nuts and washers. Two of the four spindles have dents and small imperfections from them bouncing around on each other. Packaging needs to be seriously looked at


Comments
It is disappointing on waiting for an order and it arrives as damaged. I will have our customer service team reach out to you.
-- Etrailer Expert Jenny N - 09/29/2022


by:

Now this was awesome. I did have to get turned down a little so I could press it in to axle but that's perfect so it was tight and straight. Then welded the back to secure.




by:

Extremely good quality




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Perfect thanks




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Excellent fit great product great servi ce




by:

Perfect replacement for my axle repair




by:

Great Product delivered by professional product expert ! The best customer service I have experienced in long time. I received as promised and with minor work I installed and out the door. Happy customer. Thanks James




by: 07/20/2021

We couldn't find this spindle anywhere and you got it to us in days!!




by:


Comments
Works as it should be no problems
Frank - 10/08/2022


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Comments
Had to drill new holes in both spindles for the cotter pin. I used lippert brake drums .other than that all worked well.
-- comment by: Larry - 08/03/2022


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Got on time and good price




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Show More Reviews

See what our Experts say about this TruRyde Trailer Spindles

  • Number 42 Spindle Recommendation for Mounting Trailer Hub for Spare
    If you can get me more info on the hub I can see which spindle it would fit. If you know the bearing numbers of the hub that would work, or there is a casting number on the hub like what Dexter does that would work. Axle capacity of the trailer will work as well.
    view full answer...
  • Troubleshooting Trailer Sway that Is Less Obvious When Trailer is Loaded
    The type of sway you described and the fact it gets slightly better when loaded indicates that you need more tongue weight on your trailer. When a trailer doesn't have tongue weight that's between 10 and 15% of the total trailer weight you'll end up with persistent sway. Other times it can be from having a trailer that's not sitting level. To address this we have a help article I attached to this page that covers how to pick out the correct ball mount.
    view full answer...
  • Length Measurements for EZ Lube Spindle 2.25
    I went out to the warehouse to take some measurements of trailer spindle # TRU37FR for you. The stub is actually 3-3/8 inches from the end to the brake flange. It is 3 inches from the end to where the weld is for the brake flange. The brake flange itself is a hair under 1/4 inches thick. The distance from the flange to the tip of the grease fitting is 7-1/2 inches. But to the end of the threaded part it is 7-1/4 inches. The overall length from tip to tip is approximately 11-1/8 inches....
    view full answer...
    Image 1 for
  • How To Determine the Weight Capacity For a Trailer Axle with Spindle Dimensions that Match 42
    A trailer as old as yours would be pretty hard to determine an overall capacity for, but since you have 6 lug hubs that would indicate by todays standards you have a capacity most likely between 5,200 and 6k which matches pretty close to the spindle dimensions you listed as well. The spindle dimensions match the 42 spindle like the part # TRU37FR which has a 5,200 lb capacity.
    view full answer...
  • Could Bent RV Tire Spindle Cause Trailer Sway
    Thank you for the photo of your trailer tire. I cannot tell for sure from the photo but if you suspect that you could have a bent spindle on at least that one wheel and you are experiencing sway from the trailer at highway speed despite using a weight distribution/sway control hitch then I urge you to take the trailer to a shop that can check the condition of the axle and spindles. It is certainly possible that a good hit from road debris (or from a curb that was closer than you thought)...
    view full answer...
    Image 1 for
  • Replacement Spindle Recommendation for Dexter # 42
    Looks like you are in need of a number 42 spindle like the part # TRU37FR. The numbers you listed aren't part numbers but judging by the shape of what you sent in a picture of this is a match. You still might verify this though by measuring where the bearings ride. If those dimensions are 1.25 and 1.74 inch then this is the correct.
    view full answer...
    Image 1 for
  • Is Finding Excess Grease On Wheel After greasing EZ Lube Spindles Something To Worry About
    Since you just pumped grease into your EZ lube spindle like the EZ Lube Spindle, Item # TRU37FR, I would not be too concerned. I would clean up the excess grease on the inside of your left wheel and keep tabs on it. Also, make sure using the same type of grease. Normally EZ Lube spindles "take care of themselves" if you carry out routine maintenance like you are doing. If possible, I encourage you to check your grease seal to make sure it is not damaged. If you are having an actual...
    view full answer...
  • Who Can Replace Trailer Axle Spindle
    Trailer spindles should only be installed by a qualified fabricator with trailer axle experience who has the necessary equipment to square up a trailer spindle. It's not a project for someone who's pretty good at welding since if the spindle is off by just a little bit you will have all sorts of alignment issues.
    view full answer...
  • Spindle Replacement on 2006 Fleetwood Prowler Camper
    Replacing the spindle on your axle will require cutting the old spindle off and welding a new spindle (see link) in its place. You would need to find a certified welder so that he has the proper tools and welding equipment to make the repair. To figure out which spindle is correct for your trailer you can use the bearing part numbers, both inner and outer, axle weight capacity and the shape and length of the spindle stub on your trailer. The bearing numbers will let you cross reference...
    view full answer...
  • Can Spindles be Replaced on Dexter Torflex Axle
    The spindles can be replaced. However, they will need to be welded by a certified welder. They use special jigs so that it is concentric and square on the axle or it can cause problems with uneven tire wear and wheel tracking. I've linked our selection of spindles for your to find the correct part for your trailer.
    view full answer...
  • Correct Spindle Size for 2008 Triton Boat Trailer
    I did some research on a 2008 Triton Boat Trailer and there are various types of boat trailers under this brand, so it is difficult to determine a compatible spindle. In order to determine what type of spindle your trailer has, you can take a few measurements. I have attached an image that shows the measurements to take as well as how to determine the compatible bearings, races and grease seals. I have also included a link that takes you to our available selection of spindles.
    view full answer...
    Image 1 for
  • What Size Axle Does the Spindle part # TRU37FR Fit
    The TruRyde spindle part # TRU37FR that you referenced is designed for 5,200 lb axles. That capacity of axle has a diameter of 3 inches externally. Spindles aren't designed to just slip into an axle as a replacement. 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...
    view full answer...
  • How to Pick Out Axle Capacity for Smaller Trailer
    You are on the right track for determining the correct axle capacity. Basically it's just the weight of the trailer plus the weight of the cargo you'd carry in it as the minimum capacity you'd need. So 1,200 would be the minimum you'd need based on what you listed. I'd go with a 2,000 lb axle though since that is the most common lower capacity size. You are going to need to measure your current axles in a few places to get the correct one as we don't have access to what your numbers reference. You...
    view full answer...
    Image 1 for
  • How To Remove Spindles From Trailer Axle
    Trailer spindles are welded directly to the axle so to remove one it just needs to be cut off completely using a torch or saw. Then to replace the spindle such as with the EZ Lube # TRU37FR that you were looking at it's extremely important that it be done by a certified welder who is experienced with this type of job. It has to be welded perfectly square to the axle or you're going to have constant problems with the trailer's suspension once everything else is put into place. Because...
    view full answer...
  • Correct Replacement Spindle for Axle with 25580 and LM67048 Bearing
    We do have options like the #42 E-Z Lube Spindle part # TRU37FR which has the correct 25580 and LM67048 bearing combo that you need. In order to confirm fit you will however still need to confirm the axle tube type (round/square) and diameter (if round). If it's a round 3" diameter axle then you will be good to go with the above.
    view full answer...
  • Dimensions of TRU37FR Replacement E-Z Lube Spindle
    If you take a look at the provided photo, you can see the pertinent dimensions of the # TRU37FR spindle.
    view full answer...
    Image 1 for
  • What Material is TruRyde TRU37FR 5.2-7K Trailer Spindle Made From
    Acccrding to TruRyde, the # TRU37FR for 5.2 to 7K capacity trailer axles is constructed of cold rolled 1045 steel bar stock. The spindle is compatible with a # 25580 inner wheel bearing, the outer bearing used will depend on the capacity of the axle.
    view full answer...
  • Brake Flange Pattern For #42 E-Z Lube Spindle
    The #42 E-Z Lube Spindle part # TRU37FR has a brake mounting flange which matches the industry standard of 5 on 3-7/8". I have attached a photo below.
    view full answer...
    Image 1 for
  • Dimensions of Trailer Spindle TRU37FR
    If you take a look at the provided photo, you can see the important dimensions of the # TRU37FR spindle.
    view full answer...
    Image 1 for
  • Replacement Trailer Spindle for 3 inch Diameter Trailer Axle
    Since your axle diameter is 3 inch that would mean that your axle capacity is between 5.2k and 7k so for a replacement spindle the EZ Lube Spindle part # TRU37FR would fit and work well. This has a 5 bolt spindle though.
    view full answer...
  • Will the #42 E-Z Lube Spindle w/ Flange Work On Any Axle Between 5,200 and 7,000 Lbs
    The axle tube dimensions should be the same from anything between 5,200 - 7,000 lbs. I know for sure the outer diameter will be 3" as this is a standard but it would not hurt to measure the inner diameter when fittings the #42 E-Z Lube Spindle w/ Flange part # TRU37FR which has a stub diameter of 2-1/4". It's possible different manufactures use different axle beam thicknesses for an axle within the range above but it should be fairly standard.
    view full answer...
  • Replacement Trailer Spindle for 5,000 lb Torsion Axle
    You can remove the spindles on the torsion axles that you have and we do sell replacements but it's not just something that unbolts unfortunately. They'll have to be cut off and reinstalled by a welder that has the correct tools to install them properly as it's a precision job. For a replacement spindle for a 5k trailer axle that has the brake flange we have the 42 spindle part # TRU37FR.
    view full answer...
  • How Can the #42 E-Z Lube Spindle Fit Both a 5.2K and 7K Axles
    There are usually only a few small difference between a 5,200 lb and a 7,000 lb trailer axle but not every two are the same even with the same capacity as different manufacturers make them to different specs. The actual axle thickness can play a role in capacity as well as the brakes/hubs. The #42 E-Z Lube Spindle part # TRU37FR can work with either so long as the inner diameter is 2-1/4".
    view full answer...
  • Is There a Replacement Trailer Spindle That Uses an LM67048 Bearing
    I do have some options for you but in order to get the correct replacement spindle you'll need to know the inside diameter of the axle as well as the inner and outer bearings. The LM67048 bearing has a 1.250" inner diameter and we do have some spindles with a 1.250" outer bearing seat like the #42 E-Z Lube Spindle part # TRU37FR which fits a 2-1/4" inner diameter axle. I have attached our full list of spindles below as well if the above does not work, just filter through them once you...
    view full answer...


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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Wilson B
Updated by:
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Employee Alexander C
Written by:
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