Replacement Hubs and Bearings for JetSki Trailer

Question

Question:

I have a trailer that my jetskis are on. I am not a mechanic but I can move a wrench. The bearings and all the guts inside the hub blew out on a trip home last summer. Im finally getting around to fixing it as the trailer is not drivable. I have the old hub and some pictures of the spindle, Im wondering if someone can look at the pics and measurements to help me find the correct hub assembly?

asked by: Brian L

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Expert Reply:

Feel free to email me your pictures and measurements, I would be happy to take a look at those for you.

In the mean time, since you mention that the bearings blew out, you will want to examine the spindle to make sure that it wasn't damaged. As long as there is no discoloring, scratches, or other damage, you may be able to just replace the bearings, race, and seal. If you are planning to replace your hub, I will cover that as well.

In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached a help article on determining bolt pattern for you to check out.

Next thing you will need to know is what spindle you have on your trailer. In order to do that you can either get the inner and outer bearing numbers from a hub or use a digital caliper to get exact measurements of the spindle. The measurements needed are the parts of the spindle where the bearings ride. I have attached a picture for you.

I have also attached three separate links that you can take a look at. One is for replacement hubs, the other for bearings and races, and the last for seals. Once we have all of the measurements/information, the filters on the page can be used to narrow down the results to find the correct parts for your jetski trailer.

expert reply by: Leah S

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Answer 1

You need to do a little more checking to be sure but I think we have what you need. Check your bearing numbers. If you have #L68149 for your inner and #L44649 for your outer then switching to a 5 on 4-1/2 bolt pattern is no problem at all. If your…

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Answer 2

We offer 15" diameter wheels in five different bolt patterns; 4 on 9.44" (uncommon), 5 on 4-1/2" (common), 5 on 4-3/4" (uncommon), 5 on 5" (semi-common), and 6 on 5-1/2" (common). In order to determine which bolt pattern…

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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

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 5

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 6

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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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

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6 inch whereas the 225/75-15 fits widths that are 5 inch to 6-1/2 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 9

Kevin, I think you are absolutely making the right call replacing those tires. Even though they still look great on the outside, eight year old trailer tires are getting into the age range where internal deterioration becomes a bigger concern than…

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Answer 10

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 11

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 12

I apologize for any confusion on what the proper torque specs are for 1/2 inch lug nuts on trailer wheels. I attached a picture of a chart to the right that details what the proper torque specs are for a trailer wheels lugs based on lug size, wheel…

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Replacement Hubs and Bearings for JetSki Trailer

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