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How To Measure A Trailer Spindle To Find Replacement Hubs And Bearings

Question:

I want to swap out my rims and tires on my trailer for these rims and tires Kenda 205/65-10 Bias Trailer Tire with 10inch Galvanized Wheel - 5 on 4-1/2 - Load Range E - AM3H490 My current hubs will not work because the center hole on the above rims is two small. Where do I measure on the spindle to make sure I have the right size for the bearings ? Is there a video on how and where to measure ?

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Helpful Expert Reply:

To make sure you find the right replacement hubs you can do a couple of things. First check out the bearing and see if you can find the numbers for the bearings either etched or stamped on the side of the bearing.

If you can not find the numbers you will need to measure the spindle. I have attached a drawing that shows where you need to measure the spindle to find the right replacements. The drawing also shows where to measure for a seal as well. You will also need to measure the inside of the hub to find the right replacement. It is best to measure the spindle and hub with a digital caliper like part # PTW80157.

The tire/wheel combo you mentioned, part # AM3H490 is rated to be able to handle a maximum load of 1,650-lbs at 90 psi. The pilot hole on the combo is 2.8-inches diameter.

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Jeffrey L

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Question:

I would like to purchase new Hubs and bearings... the hubs I have right now will not work with the rims and tires I also want to purchase.. the center hole on the rims are to small... my hub is to large... So... with the spindle on my trailer... which hubs and bearings do I need to purchase so that the rims and tires Kenda 205/65-10 Bias Trailer Tire with 10inch Galvanized Wheel - 5 on 4-1/2 - Load Range E - AM3H490 ? I want to purchase.... 2 hubs 2 bearing kits 3 rims and tires

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Helpful Expert Reply:

If you do not have brakes on your trailer the idler hub I recommend is part # AKIHUB-545-35-G-EZ-K. This hub comes with the inner bearing (L68149) and race, outer bearing (L44649) and race, grease seal, grease cap, and nuts included.

This hub will work with wheels from 13 to 17-1/2 inches and it has a 5 on 4-1/2 bolt pattern, so it will work great with the # AM3H490 tire and wheel combo you mentioned.

If you have brakes on your trailer I recommend part # AKEBRK-35L-SA for the driver side brakes and part # AKEBRK-35R-SA for the passenger side.

If you have brakes the hub I recommend is part # AKHD-545-35-K. The inner bearing (L68149) and race, outer bearing (L44649) and race, grease seal, grease cap, and lug nuts included.

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helpful expert reply by: Jeffrey L
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Jeffrey L

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