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  1. Trailer Axles
  2. etrailer
  3. 3500 lbs
  4. 95 Inch Hub Face
  5. 5 on 4-1/2 Inch
  6. 80 Inch Spring Center
Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 95" Long - 3,500 lbs
etrailer

Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 95" Long - 3,500 lbs

Part Number: e97YR
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Round trailer axle beam measures 95" from hub-face-to-hub-face and 80" from spring-center-to-spring-center. Includes pre-greased idler hubs - with bearings, races, and seals - for 13" to 15" wheels. Great Prices for the best trailer axles from etrailer. Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 95" Long - 3,500 lbs part number e97YR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (318)
  • Q & A (0)
  • Videos (3)
  • Photos

etrailer Trailer Axles - e97YR

  • 3500 lbs
  • 95 Inch Hub Face
  • 5 on 4-1/2 Inch
  • 80 Inch Spring Center
  • Drop - 4 Inch
  • Idler Hubs
  • Leaf Spring Suspension
  • etrailer
  • Easy Grease Spindles

Round trailer axle beam measures 95" from hub-face-to-hub-face and 80" from spring-center-to-spring-center. Includes pre-greased idler hubs - with bearings, races, and seals - for 13" to 15" wheels.


Features:

  • Round axle beam acts as part of your trailer's suspension system
    • Replace an axle on your trailer
    • Fabricate a suspension to fit your application
  • High-strength steel construction
  • Bend in axle creates zero camber angle for even road-to-tread contact across the width of your trailer's tires
    • Best for straight-line acceleration and steady, controlled towing
  • Underslung design - spring seats welded to underside of axle for mounting leaf springs (sold separately)
    • Low ride height makes it easier to load and unload your trailer
  • 4" Drop, Easy Grease spindles
    • Lowered axle beam provides lower deck height for easier loading and unloading
    • Patented welding process prevents spindle failure with 40% stronger welds
    • Built-in grease zerk for simple lubrication
  • Spring seats and spindles are welded on
  • Cast iron idler hubs are sturdy and durable
    • Pre-greased idler hubs with bearings, races, seals, and lug nuts - no need to pack bearings
  • CSA, QAI, and SAE-N certified
  • Lifetime technical support from the experts at etrailer.com


Specs:

  • Weight capacity: 3,500 lbs
  • Hub-face-to-hub-face length: 95"
  • Spring-center-to-spring-center length: 80"
  • Spindle drop: 4"
  • Hub bolt pattern: 5 on 4-1/2"
  • Grease cap flange diameter: 1.988"
  • Wheel stud dimensions: 1/2" diameter x 1-5/16" long
  • Axle diameter: 2-3/8"
  • Wheel size: 13" to 15"
  • Limited lifetime warranty


Axle Dimensions

Hub Face and Spring Center Measurements on Standard Trailer Axle

There are multiple ways to measure the length of an axle beam, but the hub-face-to-hub-face and spring-center-to-spring-center lengths are the most accurate. Hub face (A) refers to the length of the axle measured from the base of one wheel stud to the base of the wheel stud on the opposite side of the axle (when hubs are mounted on the beam).


The spring center (B) is the approximate width of your trailer. It is measured from the center of the spring seat on one side of the axle to the center of the seat on the other. This axle beam comes with the spring seats welded on.


If you are replacing your trailer's axle, you should be able to figure out which type you need by determining your trailer's capacity, the bolt pattern of your wheels, the brake type and the aforementioned lengths.


etrailer Axles

etrailer axles are made of high-strength steel and come with spindles and spring seats welded on. The spring seats are attached to the underside of the axle so that the leaf springs (sold separately) can mount beneath the axle. The result of this underslung design is a trailer that rides a bit lower for quick and easy loading and unloading.


Each axle is manufactured to create a certain camber angle. This ensures that the angle of the wheels is correct for your towing needs. Because the primary concern when towing is maintaining controlled, in-line movement, each axle is made so that your trailer's tires will run along the pavement evenly, with contact across the width of the tread. The result is excellent straight-line acceleration for steady, in-line tracking. You might notice the bend near the center of the axle; this is what ensures the proper camber angle. Having the center ride a bit higher and the sides of the axle bent lower allows the axle to give just enough to compensate for the load.


Bearing, Race, and Seal Information

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

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.


Bolt Pattern - Even

Thoroughly Tested for Safety

This hub-and-drum assembly meets the requirements for certification by the Canadian Standards Association (CSA). The CSA creates standards, which when complied with ensure a safe and quality product. This assembly underwent extensive testing to measure stopping distances when braking. This assembly has also been tested by QAI Laboratories for braking performance in a complete automotive setup and under real-world conditions to provide the most realistic scenario for the everyday driver.


On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)


Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)


Bolt Pattern - Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"


BD35RUW95.00080.000 etrailer by AxleTek 3,500 lb Axle Beam w 4" Drop - 95" Hub - 80" Sp Ctr

17-110 Idler Hub Assembly Compl Boxed - 3.5K - 5 on 4.5 - PG EZ





Video of Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 95" Long - 3,500 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Measuring To Choose The Right Trailer Axle

In order to find the correct replacement axle for your trailer there's a few things you need to do. The first one is we need to determine the capacity. The first place I always check for the axle capacity is on the axle tag, which is actually located on the axle. Now, most of these are in the center and they could be a white sticker or they could be a metal plate. Now, not all of them list the axle capacity, but the vast majority do, that's why I look here first. Granted, this is a new axle here, so the tag is in fairly good condition, but we can see on here GAWR, gross axle weight rating, 3,500 pounds, so I know this is a 3,500 pound axle.

So if you do have an axle tag and there isn't a capacity listed on there there may be a serial number, an axle number. And in which case, you could actually reach out to the actual manufacturer with this information and they should be able to give you the capacity. Some of the more common axle manufacturers on the market are Dexter and Lippert. So if you don't have an axle tag, that's okay. There is still other options to determine the capacity.

One would be to take a fabric tape measure and record the circumference of your axle tube. Now, once we have the circumference we can use the appropriate formula to get the diameter. And then using the diameter there's sort of a general axle guideline to determine capacity based on that diameter. So, for example, a 3,500 pound axle is gonna have a 2 3/8 inch diameter beam. Now, a 3 inch diameter beam would represent anywhere from a 5,200 pound to a 7,000 pound axle.

And there's also some larger ones as well as some smaller ones. So if we don't have that axle tag there we could just measure the diameter here of our axle tube. And another way is to actually look at the brake mounting flange bolts. Now, this is just gonna give you a rough ballpark. The 3,500 pound assemblies, they usually use this 4 bolt pattern where it's the larger 5200 to 7,000 pounds, use that 5 bolt pattern.

So that's more of a general guideline. That's certainly not all you wanna do, but it will help you reaffirm when you're measuring. So once we get to capacity there's two more things that we need to gather. The next one is going to be the hub face length. So the hub face length is gonna take our brake hubs into consideration. We're gonna be measuring from the part of the brake hub where our wheel mounts from one side to the other. So we'll go ahead and do that now. Now, once we have our hub face length, we need to determine our spring center length. So the spring center length is gonna be from the center of the leaf spring perch from one side to the other. So once we have all this information we can then use that to select the correct replacement axle for our trailer. We have a ton of different options to choose from based on a few different factors. Number one is the length of our axle, both the hub face and the spring center. There's gonna be several different options for each of these. There's also gonna be different axle capacities based on how heavy you need your trailer axle to be and how heavy your trailer is. Now, we always recommend replacing what's on your trailer with the exact same one that came off. So, for example, if your old axle had an 89 inch hub face that's what we'd recommend replacing it with. And the same goes for the weight capacity, although you can upgrade. No matter what capacity you need we should still have an option for you. Now, in addition to the capacity, we're also gonna have axles with a built-in drop if you need that, or just a straight axle. And we also have some different kits that are gonna come with some different components. We can either purchase the axle, just the spindle only axle. We could get this with an idler hub, or we could get this with an electric brake drum and some electric brakes, depending on what capacity you need..


Customer Reviews

Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 95" Long - 3,500 lbs - e97YR

Average Customer Rating:  4.7 out of 5 stars   (318 Customer Reviews)

Round trailer axle beam measures 95" from hub-face-to-hub-face and 80" from spring-center-to-spring-center. Includes pre-greased idler hubs - with bearings, races, and seals - for 13" to 15" wheels.

by:

Item was exactly as described. installed yesterday and everything fit perfect.
But one thing that did concern me was the way it was packaged for shipping. I think we clearly know how UPS handles items. Maybe boxing it up with foam inside would be ideal, but also understand the cost efficiency side of it. Just something to consider for future orders. overall thank you Etrailer for the item.



by:

Wonderful customer service, A simple mistake on my part could have been ignored or disregarded by others , but when I called and explained they were understanding and took care of the issue without hesitation or a lengthy explanation.

Thank you



by:

great quality , fast shipping .



by:

Great service and product and fast ship ping



by:

I might have measured it wrong, but it still worked fine. I just didn't know where to measure from. My axle was broken, and couldn't get measured good.



by:

Well packed,fast shipping



by:

Some parts were not as pictured in add. When I call to let them know about a problem, they took care of the problem and had the correct parts to me within two days. Love doing business with a company that cares.



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The hubs didn’t fit the axel right. There was a gap where the axle met the hub. it wasn’t sealed good so I was hesitant to put it on the road. I thought it be a kit would be easy and would match up right away, but that was not the case. I also thought they would’ve been assembled for me before I bought it. I wasn’t aware that I would have to put the hubs on the axle myself. It’s a shame because I’ve never been able to use my boat Because of thisb



by:

An excellent choice for my kayak trailer project. 2000# rated and a great match for the other components, springs, hangers and spring mounts.



by:

Easy ordering, axle arrived on time and no damage. The axle worked perfect for my camping trailer, would recommend your company any time.



by:

My axle and hub assemblies arrived ahead of the scheduled date and were just as described. Everything fit and worked just right.



by:

I received the trailer axle in a timely manner and fit was perfect! Very happy with the new assembly and no longer worried about wearing out tires on a long road trip.



by:

Axle and hubs worked great for repairing our boat trailer. Awesome customer service and follow-up!!



by:

trailer axel is excelent. I have towed it about 4000 miles. It tyracks excellent and is very stable.



by:

Solid axle and hubs. Got my trailer back on the road with an easy swap. Thanks



by:

the axle was good bad measuring on my part center to center holes was 1/2 inch off i had to lengthen the mounting holes, other than that (my fault ) it was great


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See what our Experts say about this etrailer Trailer Axles

  • Replacement 3,500LB Spindle/Axle Options For Boat Trailer With Obsolete Tapered Spindle 5 on 4-1/2
    Your spindle is an obsolete size and will need to be replaced. We have a couple options such as our Replacement Weld On Straight Spindle # TRU77FR or the 4" Drop Spindle # TRU87FR both of which are designed to weld onto a 2-3/8" outside diameter axle tube. Then you will be able to use a standard size 3,500LB Idler Hub # AKIHUB-545-35-EZ-K. We also have some axle options if you would rather just get a replacement axle you can bolt on. Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern...
    view full answer...
  • What Dimensions are Needed to Pick Out Replacement Trailer Axle
    Hey Tim, so to pick out a trailer axle replacement you need to know the distance between the spring seat centers, the distance from hub face to hub face, and the axle capacity. For example, the part # e97YR that you referenced is a 3,500 lb axle with a 4 inch drop that has 80 inches between the spring seat centers and has a distance of 95 inches from hub face to hub face.
    view full answer...
  • Availability Of A 3,500 lb Torsion Axle
    We actually do not carry torsion axles here at etrailer. We deal with round tube leaf spring axles. We do deal with axle-less suspension which is a type of torsion axle. For a 3,500 lb axle we have the # ASR3500S05. This is a standard duty, 3,500 lb axle less system that bolts directly to the frame of your trailer. This is the closest thing to a torsion axle that we carry. If your spindle is gouged, we do carry replacement spindles like the # TRU77FR which could be used to replace the...
    view full answer...

Do you have a question about this Trailer Axle?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Jacob T
Video by:
Jacob T
Employee Chris R
Video Edited:
Chris R
Employee Leah S
Updated by:
Leah S
Employee Wilson B
Updated by:
Wilson B
Employee Kristina F
Updated by:
Kristina F
Employee Carrie F
Updated by:
Carrie F
Employee Conner L
Installed by:
Conner L
Employee Michael B
Installed by:
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Employee Mike S
Written by:
Mike S

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