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Trailer Bearings and Hubs

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Where does everyone buy their trailer bearings and hubs at?  I'm looking at picking up a spare for my upcoming roadtrip.  I know how to measure for my hub size, but what about bearings?

  • Super User

You can get them most anywhere, including WalMart in some sizes.

I got mine from a local trailer dealer.  They were cheaper than those available at BPS, but not by much.

The reason I went to a dealer that has been around a while is for service, and access to his knowlege.

He's been around long enough, and has a good reputation.  Service is of the utmost importance with any product.

Some people don't like bearing buddies, but here is his take on them, particularly if you ever launch in salt water.

The knock on bearing buddies is that they just fill the outside of the outer bearing.  While that may be true, if you trailer any distance, heat will be generated in the bearings.

There is some air in the hub which also gets heated.  When you launch in cold water, that air will contract, causing salt water to be drawn in past the seal which is designed to keep grease contained. 

They do not do a good job when warm bearing assemblies cool and the air and grease contract.

That tends to draw water into the bearing assembly.

The spring loaded bearing buddies or similar products prevent this.

I don't have Bearing Buddies because my trailer came with the system that greases the bearings from the inside out, and I don't put the trailer into salt water.

You can get a hub assembly with the bearings installed, greased, and ready to go.  Comes in a kit.  The price was reasonable if I recall correctly.

That would be the most efficient way to go if you have a bearing fail.  Pull the cap, remove the axle nut, slide the failed unit off and install the spare.  No muss.  No fuss.

Chances are if you maintain the bearings properly you'll never need the spare. 

When I travel with my rig, I feel the wheels at the hubs at every stop.

Having a spare hub assembly complete with bearings is a great idea. I bought one and was real proud of myself until I had to use it. I didn't consider that my trailer had brakes and I required a hub assembly with a built in rotor or brake disc.

Easy mistake to make. I just thought I'd mention it and hopefully prevent someone else from having the same thing happen.

  • Super User
Having a spare hub assembly complete with bearings is a great idea. I bought one and was real proud of myself until I had to use it. I didn't consider that my trailer had brakes and I required a hub assembly with a built in rotor or brake disc.

Easy mistake to make. I just thought I'd mention it and hopefully prevent someone else from having the same thing happen.

Boy, am I glad you mentioned that.  I have a hub and bearings, separate, not assembled.  I do have trailer brakes, but never gave it a thought until you mentioned it.

Thanks!

  • 2 weeks later...

When I was young I used Bearing Buddys. I also burned my share of bearings. Usually by the time you realize a bearing is gone you've also burned an axle and sometimes hub. Did away with Buddys and began packing bearings once a year and that worked out fine. Now that I'm an oldster I have them packed. About $70 a shot but with age comes a certain amount of financial success.

  • Super User
When I was young I used Bearing Buddys. I also burned my share of bearings. Usually by the time you realize a bearing is gone you've also burned an axle and sometimes hub. Did away with Buddys and began packing bearings once a year and that worked out fine. Now that I'm an oldster I have them packed. About $70 a shot but with age comes a certain amount of financial success.

It ain't only the better financial situation.  It's also conserving your energy for more important things.  Like fishing.

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