Are trailer rims standard or do bolt patterns vary like on cars?

[DanR]

I have a 2005 single axle trailer boat trailer and I'm almost positive the tires on this guy are the original as it was barely towed until I owned it. Size is 175/80 D13. The spare has a ton of cracks in it so this year going to replace all 3 tires and I'm debating changing the bearings just for peace of mind. I was also thinking of getting new rims as these ones have a ton of rust spots and are looking a little rough. Do I have to be careful when shopping for trailer rims to make sure the bolt pattern matches like how they vary with car models or are the 5 bolt patterns all standard?

Can the hubs/bearings be visually inspected to see if they are wearing or need replacement soon by a competent mechanic that does trailer work or can they visually look fine and still go? My worst nightmare is a tire falling off on the highway on a single tandem and losing the boat or causing an accident

Thanks!
Dan

[XingEyeballs]

What brand of boat/trailer?

[DanR]

What brand of boat/trailer?

My boat is a 2005 Princecraft Pro Series 165SC and the trailer is a 2005 REMEQ single axle trailer. Rim size on the label is 13" x 4.50 JJ and tire size is ST175/80R13 B

Visually, my rims look exactly like these: https://recstuff.com/trailer-wheels/...r-wheel-ws305/

[Woody b]

Most 5 lug trailers use a 4 1/2" bolt pattern. (not just boat trailers, but most 5 lug trailers) If it's 4 1/2 it will measure right at 2 5/8" from one stud to the one next to it.

[bassfisher444]

Most likely a 5 on 4.5" bolt pattern, very common.

[DanR]

OK perfect, thanks guys! Looks like I'll be shopping for some new wheels :)

[CatFan]

OK perfect, thanks guys! Looks like I'll be shopping for some new wheels :)

Pay attention to offset. Boat trailers generally have zero offset rims. https://www.efxtires.com/blogs/news/...e-wheel-offset

To measure the bolt pattern https://www.tirebuyer.com/education/wheel-bolt-pattern

[Danrude]

You also need to make sure the wheels have a "0" offset!

[DanR]

Pay attention to offset. Boat trailers generally have zero offset rims. https://www.efxtires.com/blogs/news/...e-wheel-offset

To measure the bolt pattern https://www.tirebuyer.com/education/wheel-bolt-pattern

Excellent, thank you for the links, this is very helpful. As usual you guys are awesome :)

[Alex from GA]

To check bearings jack up the trailer and spin the wheel by hand. There should be no noise. If there's any noise change the bearings.

[csurp]

To check bearings jack up the trailer and spin the wheel by hand. There should be no noise. If there's any noise change the bearings.

...and races. Many purchase a spare hub assembly to carry in case of bearing failure. You really should do your own bearing maintenance at least once. Itis a good skill for a boater to have.

[CatFan]

To check bearings jack up the trailer and spin the wheel by hand. There should be no noise. If there's any noise change the bearings.

I take it you’ve never worked on a trailer with brakes? There is always brake noise.

[Crappie Bob]

...and races. Many purchase a spare hub assembly to carry in case of bearing failure. You really should do your own bearing maintenance at least once. Itis a good skill for a boater to have.

Dual purpose, spare tire and hub



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