Trailer Bearing and Seal Replacement for 7,000 lb Axle

Question

Question:

Hi I have a trails west horse trailer with 7000lb axles on it. I need to know if you have a kit for replacing the bearings in both of the axles. Thank you

asked by: Becky S

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Expert Reply:

The 7,000 lb axles are not all identical in bearings used. You will need to pull one of your hubs and look for the bearing number printed on the face of both the inner bearing, outer bearing, and seal. If you can't get those numbers, then you can measure the spindle with a caliper like # PTW80157 in those locations on your spindle. I've attached a photo to assist.

expert reply by: Jason S

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Answer 1

I can absolutely understand not wanting to have to cut off the entire tube, but there just isn't an option for a tube with a coupler that goes over your 4" diameter tube. The reason for that is the inner tubing - the part with the…

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Answer 2

Thanks for the picture. Yeah you are very nose high and need to get the trailer sitting level. It's hard to tell in the picture but is the gooseneck coupler adjustable? You should see some set screws on the side of the tube that would allow…

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Answer 3

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 4

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 5

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 6

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 7

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 8

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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Answer 9

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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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

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Answer 12

The BTR and BT8 denotations refer to the spindle, not the trailer hub. The difference between a BTR and BT8 spindle is that the BTR spindle uses a 1.063" diameter L44649 bearing and the BT8 spindle uses a 0.99" diameter L44643 bearing. In…

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