Spindle Dimensions of a 3500 lb Axle

Question

Question:

Need to know the size of the axle spindle where the lug hub slides on with bearings on a 2004 Branson care trailer. Axle is a 3500 lb with a 5 lug rim, tire is 205 75 D15

asked by: Jeff

0

Expert Reply:

3500 lb axles have the most common and most consistent spindle sizes. They are typically 1.73 inches at the seal, 1.38 inches at the inner bearing and 1.06 inches at the outer bearing like # TRU24FR. I've attached a video to assist.

I've linked the page to all of the options for hubs or hub/drum assemblies for this size spindle. There are 4 different sizes for 5 bolt assemblies and I've attached an article to assist.

expert reply by: Jason S

0

Gord

6/23/2020

Wondering if anyone still uses 1.5" x 1.375" spindles? I'm looking for bearing/hub assembly for an axle I currently have but seems like these dimensions are no longer used? Would you have any leads on where one could find some (perhaps old) stock in these dimensions?

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Chris R.

6/26/2020

Would you be able to pull one of your hubs and check the bearing numbers that are used? There should hopefully be numbers stamped right inside the inner and outer bearings.

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Gord

6/26/2020

@ChrisR I only have the axle, old bearing/hub assemblies long gone. I'm sure I can find bearings & seals from SKF or Timkin or whomever, it's a case of looking up a suitable bearing in that dimension. Finding hubs to match the bearings might be a different story. Any thoughts?

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Chris R.

6/30/2020

@Gord Got it. We do have trailer bearings with those inside diameters - part # LM48548 that has a 1.375" inner diameter and # 2788 with a 1.500" inner diameter. Unfortunately we don't have any hub assemblies that use both though.

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See All (5) Replies to Gord ∨

Answer 1

In order to verify the spindle dimensions so that you can pick out the correct hub/drum you have to get exact dimensions. For that you need to use a digital caliper like part #PTW80157. For how old your trailer is this is especially important as…

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Answer 2

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Answer 3

The spindle dimensions are as follows: A is the mounting dimension, B is the seal dimension, C is the inner bearing surface, D is the outer bearing surface and E is the diameter of the threaded portion of the spindle for spindle nut selection. Say…

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Answer 4

In almost all cases 3,500 lb axles will all use the same bearings. If your trailer has a Lippert or Dexter 3,500 lb axle then yeah they would be the same. But to be safe it won't hurt to pull them off and get the numbers. If you are sure you need…

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Answer 5

We most likely do, however, we don't have a list of bearings for each trailer. You will need to pull one of your hubs and then remove the inner and outer bearing and look at the face of each one. There should be a number stamped into the face of…

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Answer 6

Thank you for your VIN. I was able to use this and determine that you need the Bearing Kit part #BK1-150. This kit has everything that you need to rebuild one hub so you will need two per axle. If you don't already have a bearing packer and…

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Answer 7

Hydraulic brakes are better suited for boat trailers for the simple fact that wires and water do not like to cooperate with each other, but the etrailer.com Self Adjusting Electric Trailer Brakes, #AKEBRK-35L-SA, can be used on a boat trailer…

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Answer 8

For a wheel that is 5 inches in width and 15 inches in diameter you would want tires that are size ST205/75-15. For the tire size ST225/75R15 you listed you would want a rim that is from 6-7 inches in width. I attached a department page that has all…

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Answer 9

Trailer wheel bearings are specific to the spindle that is installed on your 2004 Trail-Lite Model 8211. The easiest way to determine the correct replacement bearings for your trailer is to remove the hub and find the part numbers that will be…

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Answer 10

You will need to measure the diameter of the spindles where the seal and bearings ride. Check out the picture I attached that shows where this is. You will need an exact measurement so either a digital or dial caliper will be needed. To pick out the…

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Answer 11

The brake actuator, #T43397007K, does not have to be primed. After you have replaced the parts needed and reconnected the brake lines, you will fill the reservoir with DOT 3 brake fluid, leave the cap off, and proceed to bleed the brakes. I have…

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Answer 12

Yes, the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire #AM10140 referenced in your question will fit the same 12 inch wheel with a 4 inch width that your existing 4.80-12 size tires are mounted to. Just note that the ST145/R12 tire will be…

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Spindle Dimensions of a 3500 lb Axle

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