Idler Hub Assembly for 2,000 lb Axle With 13 Inch Wheels

Question

Question:

I have an EZ Loader trailer with BT150A oil bath hubs, which are in bad shape. I want traditional greased hubs. I think is the correct replacement kit, all of the measurements match. BT8 spindle, 1” bearings. The only issue I see is this kit says wheel size 8”-12”. I have 13” wheels. I don’t see why that would matter. Thanks.

asked by: David W

0

Expert Reply:

We do have a solution for you, although the Dexter Trailer Idler Hub Assembly for 2,000-lb Axles # 34822545BX does require wheels be only 8" to 12". The reason for that is there is this hub does not have a large enough flange diameter in order to to provide the necessary side-to-side support for a larger 13" wheel, so it can become loose on the hub.

Instead, the hub you need for your 13" wheel is the Dexter Trailer Idler Hub Assembly for 2,000-lb Axles # 8-258BTUC1.

This uses the same bearings, races, and grease seal, while also having the same 5 on 4-1/2" bolt pattern as the initial hub you referenced, except it has a larger 6-1/2" flange diameter so it is compatible with 13" to 15" wheels. For grease I recommend the LubriMatic Marine Trailer Wheel Bearing Grease # L54FR and a compatible grease gun like the # 30-800. Then use the Bearing Packer # PTW1218 or # ALL647646.

I have added links to video reviews for you to check out as well, including of the Dexter Trailer Idler Hub Assembly for 2,000-lb Axles # 8-258BTUC1.

expert reply by: Kyle S

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Answer 1

What limits the speed a trailer can go is the tires. Trailer tires are only rated to go 65 miles per hour. If you are traveling fast enough that bearings in good condition begin to damage themselves the trailer tires are probably already in the…

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Answer 2

I cannot really tell by the picture due to the grease on the bearing buddy, but it looks like you have one that has auto-check like the Bearing Buddy #BB1980A-SS. This auto-check gives the grease a place to go instead of blowing out the rear grease…

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Answer 3

Before proceeding, I'd take a moment to confirm the spindle diameter, because there are two different bearing sets that are very close in dimension, so you'll want to be absolutely sure of the measurement you get. We recommend using a digital…

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Answer 4

It sounds like you have a standard 1 inch straight spindle. Because it is for a boat trailer, I recommend replacing your hubs and bearings with a galvanized hub to reduce corrosion. My recommendation is the #AKIHUB-440-2-G-EZ-1K for a 4 on 4 inch…

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Answer 5

If you have 14" wheels on your trailer then you will want to use the Trailer Idler Hub Assembly part #AKIHUB-545-2-LFEZ-1K instead of the Dexter Trailer Idler Hub Assembly part #34822545BX. The Dexter Trailer Idler Hub Assembly is only rated for…

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Answer 6

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 9

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 10

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Idler Hub Assembly for 2,000 lb Axle With 13 Inch Wheels

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