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  1. Trailer Axles
  2. etrailer
  3. 5200 lbs
  4. 89 Inch Hub Face
  5. 6 on 5-1/2 Inch
  6. 74 Inch Spring Center
Trailer Axle w/ Electric Brakes - Easy Grease - 6 on 5-1/2 Bolt Pattern - 89" Long - 5,200 lbs
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Trailer Axle w/ Electric Brakes - Easy Grease - 6 on 5-1/2 Bolt Pattern - 89" Long - 5,200 lbs

Part Number: e75SR
In Stock
$599.58
Trailer Axles
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etrailer Installation
We'll connect you with nearby partnered installers who know this exact setup.
Trailer axle measures 89" from hub-face-to-hub-face and 74" from spring-center-to-spring-center. Includes electric brake assemblies, hubs, drums, bearings, races, seals, and mounting hardware. Easy Grease spindles for simple lubrication. Great Prices for the best trailer axles from etrailer. Trailer Axle w/ Electric Brakes - Easy Grease - 6 on 5-1/2 Bolt Pattern - 89" Long - 5,200 lbs part number e75SR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (273)
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etrailer Trailer Axles - e75SR

Highlights

  • 5,200-lb Capacity: Handles medium-duty hauls with steady, controlled towing performance.
  • 89" Hub Face x 74" Spring Center: Direct dimensions for proper trailer alignment.
  • Integrated Electric Brakes: Simplifies setup—no actuator or hydraulic lines needed.
  • Easy Grease Spindles: Built-in zerks make bearing lubrication quick and clean.
  • Pre-Greased Hubs Installed: Bearings, races, and seals come ready to roll out of the box.
  • 3" Round Steel Axle Beam: High-strength, underslung design keeps loading low and stable.

Features to know about

Steady, Controlled Towing: 5,200-lb Straight Axle with 6 on 5-1/2" Hubs

A trailer that sways or bounces makes every mile harder. This 5,200-lb axle keeps things under control with an 89" hub-face-to-hub-face length and a 74" spring-center-to-spring-center setup for balanced weight distribution. The 3" diameter high-strength steel beam includes a built-in camber that evens out tire contact across the tread, so your trailer tracks straight and rides steady mile after mile.

Reliable Braking Every Time: Electric Brakes with 12-15/16" Drums

Smooth, predictable stops are part of the package. The cast-iron hub-and-drum assemblies come pre-greased and include bearings, races, seals, and lug nuts, along with easy-to-install electric brake assemblies. With no hydraulic lines or actuators to manage, the setup stays simple and dependable. The 12-15/16" diameter by 2-3/8" wide drums meet CSA, QAI, and SAE-N testing standards for consistent braking performance under load.

Close-up of pre-greased trailer hub with grease cap removed, showing bearings and races already installed for easy assembly.

Low, Stable Load Height: Underslung Spring Seats for Easy Loading

Loading heavy gear is easier when the deck sits lower. The underslung design—spring seats welded to the underside of the axle—lets your trailer ride closer to the ground for simpler loading and unloading. Welded-on spindles and seats are precisely aligned from the factory, so everything bolts together cleanly with standard leaf springs (sold separately).

Simple Maintenance That Lasts: Easy Grease Spindles with Built-In Zerk Fittings

Keeping bearings lubricated is quick and mess-free thanks to the Easy Grease spindles. Each one has a built-in grease zerk that lets fresh grease flow directly to the bearings without disassembly. The pre-greased hubs save setup time, and the sealed caps keep dirt and water out so the system stays smooth and quiet.

Ready for Heavy Work: Complete Hardware and Certified Build

Everything you need to mount and roll comes in the box—electric brake assemblies, hubs, drums, bearings, races, seals, and mounting hardware. Each axle weighs 143 lbs and is built using a patented welding process that makes the spindle joints 40% stronger than standard welds. Tested and certified for safety, this axle gives you a durable, well-balanced foundation for hauling with confidence.

Specs

Weight and Capacity

  • Weight capacity: 5,200 lbs

Dimensions

  • Hub-face-to-hub-face length: 89"
  • Spring-center-to-spring-center length: 74"
  • Drum dimensions: 12-15/16" diameter x 2-3/8" wide
  • Grease cap flange diameter: 2.446"
  • Wheel stud dimensions: 1/2" diameter x 1-1/4" long
  • Axle diameter: 3"
  • Wheel size: 14-1/2" to 16-1/2"

Technical diagram showing trailer axle measurement points labeled A for hub face and B for spring center, used to identify hub-face-to-hub-face and spring-center-to-spring-center dimensions for an etrailer 5,200-lb axle.

  • A — 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).
  • B — The spring center (B): 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.

Bolt Pattern

  • Hub bolt pattern: 6 on 5-1/2"

Warranty

  • Limited lifetime warranty

Bearing, Race, and Seal Information

  • Inner bearing: 25580 (1.75" inner diameter)
  • Outer bearing: 15123 (1.25" inner diameter)
  • Inner race: 25520
  • Outer race: 15245
  • Grease seal: GS2250DL
  • Grease seal inner diameter: 2.25"
  • Grease seal outer diameter: 3.376"

Note

  • Axle does not come fully assembled.

BS52RUW89.00074.000 etrailer by AxleTek 5,200 lb Axle Beam - 89" Hub Face - 74" Spring Ctr

B12E-21 12" Electric Brake Assembly for 5.2/6/7K Axles - Left Hand

B12E-22 12" Electric Brake Assembly for 5.2/6/7K Axles - Right Hand

19-125 Hub-Drum Assembly Compl Boxed - 6K - 6 on 5.5 - PG EZ





Customer Satisfaction Score:

Ratings & Reviews

4.4

272 reviews
Review sort icon
Trailer axle measures 89" from hub-face-to-hub-face and 74" from spring-center-to-spring-center. Includes electric brake assemblies, hubs, drums, bearings, races, seals, and mounting hardware. Easy Grease spindles for simple lubrication.

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I ordered two axles to upgrade my trailer capacity to what the frame is rated for, 12,000lbs. The axles have great bearing seats and backing plate studs. The backing plates are fully assembled and ready to connect to the wires already installed into the axle tubes. The hub assembly went smooth and only one set of break shoes needed adjustment. A good buy along with the 5 fully assembled tires and wheels.



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No problems. It's working great.did a few trips no incidents.

Michael A. profile picture

Michael A.

8/25/2024

No problem with it LOVE IT.THE BEST.



by:

The guys and gals at etrailer are the b est!



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Great quality, price and availability



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Aside from not received complete order the first time, I will still recommend etrailer for all your needs



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Great product, excellent quality and workmanship, and fantastic customer service. Who could ask for anything more?

Brooke M. profile picture
Etrailer Expert

Brooke M.

4/18/2025

...well I mean, if we are making requests...lol I got a list!



by:

New 5,200 lb axles with hubs and electric brakes were delivered in good condition by UPS. Quality appears to be very good. Even though installation looked to be straight forward, the lack of directions and instructions left some uncertainty. However, the etrailer website and Google were helpful in explaining the process.



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Buying the kit complete was a good decision. It showed up early than predicted and having the grease and wires already in place shows your professionalism. I would recommend this product and company to everyone in the market.

Heather A. profile picture
Etrailer Expert

Heather A.

4/11/2026

Thank you for the kind words Daniel. We couldn't do it without cusotmers like you! Your setup looks great! What kind of trailer are you building?


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See what our Experts say about this etrailer Trailer Axles

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    Hello Butch, thanks for reaching out. It is possible to use 6-lug hubs with the Timbren Silent Ride Suspension # TSR5KS02. For that, your best option would be a fully loaded axle such as part # e75SR, which comes with 6 on 5-1/2" hubs. This axle is 89" long from hub face to hub face. I am not sure what trailer this is going on so you will want to make sure you get an axle that is the correct length for your trailer. If you need a different length, just reply below and let me know. I can...
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    Hello Eugene, thanks for reaching out. I typically don't recommend using vehicle tires for a trailer build. Car tires are made for ride comfort, and they are not meant for hauling and bearing weight like trailer tires are. Generally, you would want to use a trailer wheel and tire that are meant for a trailer. Can tires generally run at lower PSI, and have thinner sidewalls compared to trailer tires, so they can't handle heavy loads as well. If I am not mistaken the 4Runner wheels use...
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  • Looking for Replacement Bearings for etrailer 5,200 lb Axle e75SR
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  • Can I Use My Ford Ranger Tire and Wheels on the Trailer Axle w/ Electric Brakes 6 on 5 1/2"?
    Hello Juan, Thanks for writing in. Ford Ranger wheels can often work with the # E75SR axle because they usually share the same 6 on 5-1/2 inch bolt pattern. Many Ranger wheels are also 16 inches in diameter, which falls right into the size range that axle is designed for. From a basic fitment standpoint, that makes them a possible option. That said, using vehicle wheels on a trailer can introduce a few extra variables. Things like center bore size, wheel offset, and load rating all...
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    To switch your 10,000lb Hudson trailer to use more standard wheels and tires you will need to replace your axles. The spindle size used on your current axles is only going to allow for the Mobile Home style wheels and tires since the hub is specific to these axles. You will need to measure your axle from hub face to hub face to determine the correct width axle you will need. Here is a list of 5,200lb axle which include electric brakes and have a 6 on 5-1/2" bolt pattern. If these do not...
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  • Recommended Axle Upgrade for a 4,400 lb Lippert Axle
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Info for this part was:

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