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TRP bearings

Old 10-03-2020, 07:37 AM
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Default TRP bearings

Are TRP bearings any good? I just bought new hubs and they came with them. I'm generally pretty skeptical of Chinese parts, looks like the couple places I found on line call them "premium bearings". I called my parts store and Timken bearings would be about $300 for the whole trailer, seems excessive to throw out new bearings and spend another $300.
Old 10-03-2020, 07:57 AM
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Depends on how you use the trailer. A mile to the ramp a few times a year, the Chinese bearings are probably ok.

Long interstate tows with a heavy load and high speed, get some name brand bearings made in USA, Euro or Japan. Timken, NTN, F-AG, Toyo are a few brands that come to mind. Been out of that business long enough to forget some other good brands.

Industrial supply houses exist in most mid-upper size towns and cities that sell bearings to industry. Often way less mark-up than parts houses. They won't supply junk because their customers (industrial) will not put up with it.
Old 10-03-2020, 08:14 AM
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I would use them. Cheap bearings supplied with hub kits have worked well enough for me. My tows are highway speed for at least 30 miles, sometimes 400 miles.

I have used Timken bearings too and they are better. But not better enough to throw away what you have.

In my experience, you know in advance if a bearing needs to be replaced because of water intrusion. A hub with a failing bearing runs hotter than the others. You can also see rust when you regrease.
Old 10-03-2020, 08:53 AM
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There's a reason the Timken and SKF bearings cost more. There's a reason some people want lower quality and price.
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Old 10-03-2020, 01:28 PM
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Academy sports sells a decent quality bearing kit that includes bearings, races and seal made by Smith. The bearing cage is not loose like some Chinese bearings.
I’ve used them for years on long distance trips and periodically inspect and repack, never a problem and at $15 a set can’t be beat.
Old 10-03-2020, 03:03 PM
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Originally Posted by Corndog38 View Post
Depends on how you use the trailer. A mile to the ramp a few times a year, the Chinese bearings are probably ok.

Long interstate tows with a heavy load and high speed, get some name brand bearings made in USA, Euro or Japan. Timken, NTN, F-AG, Toyo are a few brands that come to mind. Been out of that business long enough to forget some other good brands.

Industrial supply houses exist in most mid-upper size towns and cities that sell bearings to industry. Often way less mark-up than parts houses. They won't supply junk because their customers (industrial) will not put up with it.
Corndog is correct. I buy bearings every week to put in pumps that are intended to last for 5+ years before being serviced. We only buy high quality name brand bearings. Never heard of TRP bearings.

Keep in mind you have your &50,000 boat riding on these bearings. Is this an area you want to put cheap junk on?
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Old 10-03-2020, 08:05 PM
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I hate to buck the trend but I only use the cheap Chinese ones. They last me longer than most of you will ever tow your trailer. They key is fresh grease.

I do believe SKS and Timken are better made and stronger. That is exactly why I don't use them. Huh? What? If you've ever had a bearing go bad and weld itself to the spindle you know what I mean. Chinese specials don't do that, they just disentigreate.

There is always going to be a weakest link. It can be a $20 bearing or a $800 axle. It's your choice.
Old 10-03-2020, 08:09 PM
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If your bearings never go in salt water, feel free to get the good ones. I put SKS in my big trailer. 47' Intrepid.


Old 10-03-2020, 08:12 PM
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If they get dunked in salt water, I prefer ones that are cheap and easy to replace. 38’ Scout.



Old 10-03-2020, 08:45 PM
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My old hubs actually have Japanese Koyo's in them that still look good.

Old good bearing or new Chinese bearings? 🤔

The trailer will probably only go 100 miles per year, from the marina home, and back again in the spring. Fresh water.
Old 10-03-2020, 08:52 PM
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Just put in new grease.
Old 10-04-2020, 05:48 AM
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Originally Posted by PXMAN View Post
Corndog is correct. I buy bearings every week to put in pumps that are intended to last for 5+ years before being serviced. We only buy high quality name brand bearings. Never heard of TRP bearings.

Keep in mind you have your &50,000 boat riding on these bearings. Is this an area you want to put cheap junk on?
This is the best reply and makes my point too. Cheap (as in quality) versus the cost of your boat. Spin the wheel and take your chances.
Old 10-04-2020, 01:33 PM
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Originally Posted by Walleye Guy View Post
This is the best reply and makes my point too. Cheap (as in quality) versus the cost of your boat. Spin the wheel and take your chances.

It's all risk assessment. I bought Rockwell Hubs, which is what many trailers are riding on, these are the bearings that came with them. I'm much less concerned with loosing the boat with 6 wheels under it than buggering up an axle. Trying to not make this trailer rebuild cost as much as a new trailer, but on the other hand if I bought a new trailer these are likely the bearings that would be in it. 🤷‍♂️ At some point you have to reach what's good enough.
Old 10-04-2020, 01:39 PM
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You're far more likely to damage a spindle with Timken bearings that you are with Chinese ones. Timkens won't last any longer than Chinese ones with old grease either.
Old 10-05-2020, 09:27 AM
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Originally Posted by cajflynn View Post
You're far more likely to damage a spindle with Timken bearings that you are with Chinese ones. Timkens won't last any longer than Chinese ones with old grease either.
100% correct! biggest problem with bearings is lack of grease!

neither will last with out grease!
Old 10-05-2020, 06:56 PM
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Originally Posted by cajflynn View Post
You're far more likely to damage a spindle with Timken bearings that you are with Chinese ones. Timkens won't last any longer than Chinese ones with old grease either.
Grease ,Grease, Grease. My trailer goes into saltwater sometimes 5 / 6 times a day. I haven't had any problems with any brand I've used. I do change them twice a year and grease them all the time. And as you can see I'm not shy about what gets loaded.

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Old 10-06-2020, 05:41 AM
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Boat trailer bearing life is about keeping the water out. 1% water intrusion severely effects bearing life with salt water being worse than fresh water.

If your seals and grease are good, it’s easy. Once your seals start to wear and leak, then regularly greasing with Super Lube spindles will prolong the life of the bearings because the fresh grease is purging the water away from the bearings.

Chinese bearings are inferior to the bearings made by the major bearing manufacturers. The steel is inferior and the manufacturing tolerances are sloppy. If your plan is to change them out every year, than you can save money by using Chinese bearings.

If your plan is to use good seals running on “baby bottom” smooth shafts and routinely regrease them, then buying better quality bearings will have a significant payback in longer bearing life.

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Old 10-06-2020, 07:41 AM
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Never had any problems with the Chinese Bearings.All My New Trailers came with them. Only time I did is when Water got in them. I do Grease them a lot..
Old 10-06-2020, 08:05 AM
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The Timken bearings on my trailer are now 7 years old and still going strong. I do about 2500 km per year and grease them once a year in the fall as part of my winterization. The key is to keep water out of them, when I regrease I have never seen water in any of them.
Old 10-06-2020, 08:15 AM
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The biggest problem with bearings is water intrusion regardless of where they are made.

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