Bearing Buddy: Friend or Foe?
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- เผยแพร่เมื่อ 13 ก.ค. 2024
- What about the Bearing Buddy? Nothing takes the place of properly inspecting and greasing the hubs and bearings of your trailer. But can Bearing Buddy be a friend to you and your trailer? Does Bearing Buddy extend the life of your grease, bearings, seals & hubs? Or does Bearing Buddy work against you, causing more work and potential for disaster? Follow along as The TrailerSmith shows how to install the Bearing Buddy and gives the information you need to know about proper maintenance of your hub with the Bearing Buddy installed and gives recommendations on what types of trailers are best served by having the Bearing Buddy installed.
Links to products used in this video:
Bearing Buddy amzn.to/3WmhWZd
Bearing Buddy Seals amzn.to/4bFL1TJ (Make sure to order correct sizing for your axle)
Lisle Bearing Packer amzn.to/3UYHQQQ
Channellock Pliers amzn.to/3wEFQoR
Manual Grease Gun amzn.to/3P0BM58
Regular Bearing Grease amzn.to/4bH5nwK
Marine Grease Tube amzn.to/46TP9OI
RTV Silicone amzn.to/462w2l... out the other how-to videos related to this one!
DISCLAIMER: Some of the links included in the video descriptions may be affiliate links. If you purchase a product or service with the links that we provide we may receive a small commission. There is no additional charge to you! Thank you for supporting the channel so we can continue to provide you with content.
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Check out Texas Custom Trailers for any trailer needs you may have. And if you’re local, check them out for your trailer service needs! If you aren’t local, but need a new trailer, they can ship it to you! Tell them The TrailerSmith sent you!
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I worked in a triler shop in Florida as a youngster. Replacing bearings was our bread & butter. When you drive, the bearings will heat up. When you back it into the water, they will cool. Cooling will cause a vacuum and Bearing Buddies will stop them from sucking in water. Without them, you WILL have water in your hub. One caviat... you have to actually pump grease into them.
In 48 years as a Grand Master Marine Tech, I never installed a "dry" brg., always packed with a brg. packer, always filled the hub completely full, always filled the brg. buddy 3/4 full & then pressed it in place. Brg. diaphragm presses out & excess grease squirts out. Tested this against just packing brgs. on one hub & full buddy on the other. 25 mile trip & then backed it into the lake. Left for 10 minutes & disassembled. Buddy side was cool & no water. Packed side cool & had quite a bit of water in hub. You did a good job on this video. Cooling a hot hub with lake water draws water in, & I'm a "greaser".
Can't get proper preload if your bearings are dry!
Can't get a proper preload on the bearings if they are installed dry!
Yep, no bearing failures for us for over 40 years with the bearings buddies !
@@Chevytech1977 Grease does not migrate, a full bearing is all it needs or will ever use
I have Bearing Buddy and other like products on my trailers. Your video just confirmed what I always believed to be the weak point. The Bearing Buddy just doesn't get grease to the inner bearing. If I have to pull things apart to repack the inner bearing I might as well skip the Bearing Buddy. As per this video, it probably is worthwhile for a boat trailer. Enjoyed the video.
👍👍I am definitely an over greaser. "Hotter than a ten dollar weed eater at the pawn shop" is a keeper. Thank you for that. 😉👍
😁
Thanks for watching!
That phrase had me LMFAO
Variation on the palm packing method is to put the grease in a ziplock bag with the bearing. Close the bag and pack it into the bearing, almost no mess this way.
Sold my 4x8 bolt together Northen tool trailor to a neighber 20 years ago he used that trailor with the 480x8 tires and wheels to go back and forth from NC to TX 3 times. He put buddies on it and would add greece at 500 miles at 60-70 mph back and forth. He still owns the trailor and probably has 10,000 miles on it! Still same bearings and buddies. Not bad!
Smart move on gloves and glasses. Great video.
When i replaced the acle on my utility trailer, i replaced it with an axle the had drilled spindles.
Spindles are drilled through to just in front of the seal. So you pump grease to the back of the inner bearing out to the front. Works really well.
Still pack the bearings and hub full of grease before assembly.
Yes they work but, these are for land use only. Marine needs bearing buddies.
great educational video. i spent years running trailers with bearing buddies and had no idea how they worked or how to repack. i’d just pump grease into them until the color changed. hand tested the hubs when on the road to make sure not hot. mostly short runs to the lake nearby with an occasional 300 mile and later 1,000 mile runs. fortunately never had a roadside failure…knock on wood. NOW I KNOW. thank you!
I have used a ziplock to pack bearing. It works pretty well and not as messy.
Bearing Buddies are the best thing since sliced bread in marine applications. The 3 PSI of positive pressure keeps the water out of the hubs.
Over greasing can push the grease out the inside seal and all over your rim. I know this because I found this out years ago when I started using Bearing Buddys. Just grease until the spring starts to move about 1/16" to 1/8" out and stop. As long as there is a little pressure on the grease, the water won't get in.
As a lazy RVer I’m usually an over-greaser… just very infrequently!
I tend to live by “If some is good then more must be better… especially if it’s ice cream!”😁
“…..more is better” ALWAYS applies to ice cream. Always!
Been using Bearing Buddy's on my boat trailer axle bearings in saltwater environments for 20+ years resulting in ZERO bearing failures. Just a couple of pumps on the grease gun into each hub before every trip to keep them full of grease. Bearing Buddy works on the principal of filling the air cavity, inside the hub between the inner seal and the bearing Buddy, completely full of grease under positive pressure, allowing no space for water/contaminates to enter the bearings.
Wearing gloves is a good thing, not just to keep your hands clean, but solvents and cleaners can get into your blood stream through your skin. After years of contact with solvents of various types, after 55-60 years, I was diagnosed with bladder cancer. One thing the doctor asked me was what I did for a living, and I told him and he asked me about contacts with solvents and chemicals. He said that is just another way to have the chemicals get into your system....
Prevents Parkinson's as well
I tried gloves. Always end up with a rip in them within 5 minutes of putting them on. Nothing but a waste of money!
Bought a new boat this year and the trailer came with "Vault Bearing buddies". They are filled with a heavy oil similar to tractor trailers. No maintenance, 10 yr warranty . New to me, we'll see how they hold up,
Yup,I have them too. 5yrs later, no issues.
Good for you on the P P E ,💪👍 it works!
Having purchased and used virtually every bearing packer on the market over the years, I haven’t found one that is better, faster, or cleaner then hand packing. I’m not one that uses gloves and it doesn’t hurt my hands. If it hurts you hands your doing something very wrong. Always pack the bearings from the small side not the big side.
That bearing buddy and EZ Lube has so many RVers believing they never need to do annual wheel bearing maintenance.
I still pull hubs and pack bearings with my $27.00 Rural King bearing packer. Cheap and so easy, to do it right.
Plus, pull hubs and you can check your brakes.
Annual wheel bearing maintenance also gives the opportunity to check the brakes.
Thank you for the information, always helpful to have the proper procedure. I have the ez lube system but added a bearing buddy bra to it and it helps keep water out the ez lube hub.
I think the bearing buddy is best designed for boats. The bearings heat up on the road, and when backed into cold water they cool rapidly, possibly drawing in water. The device keeps the water out of the bearings.
My small snowmobile trailer uses the same size tires found on golf carts. I have made 4 cross country trips with no issues without the buddy’s. My biggest complaint about the device is trying to remove them to service the bearings.
I used to go 450 miles North of Sault Ste. Marie into Northern Ontario, Canada 3 or 4 times per year to fish with an 18-1/2' aluminum closed bow boat & 90 HP Mercury outboard motor on a trailer. I bought bearing buddies and installed them after l cleaned and hand packed the bearings on that single axle trailer. I bought one of those little (6''?) grease guns to fill them with after l pulled it out of the lake. I'd stop after 50/60 miles and feel the hubs. If they were warm I'd give them a few pumps and take off again. In about 50/60 miles i'd feel them again. They'd always cool off and feel less than "warm." I've had guys tell me that my bearings couldn't be "cool," but they were. Even going into Canada for 2 weeks and filling that boat w/ food, gas & enough junk to fish, putter on the cabin, and all the paraphernalia you can imagine. It was heavy and l never ever had a problem with the bearings. They are on my tandem axle car hauler too. They were on it from Lorimore. I think the World of them. ben/ michigan
Not a fan Of the easy lube bearing buddy I just finished Repacking and replacing the seals on my cargo trailer Upgraded my springs Upgrade my springs to £4,000 springs And hand And hand A hand Reassembled All is I understand I understand the purpose of the bearing buddy for marine trailer Because because getting underwater Keeping the water out of the bearing Make sense Thanks for the info and videos Randy
Great video and instructions! I am an overgreaser. Rick Pierce of Bass Cat boats builds a great trailer! He is not a fan of bearing buddies because of people over greasing. And blowing out the seals so now what I do after a tear down is don’t use the grease gun after packing the grease in the axle. After you drive the boat to the boat ramp check and see if the inner bearing buddy has any wiggle to it. If it does do not put any more grease in it if it doesn’t pump new grease until the inner bearing buddy comes out just a fraction. Now you know you have just enough inner grease pressure to prevent any water and don’t use the grease gun again unless you have a seal blowout and only grease for emergency.
Good test video for the bearing buddy. Especially appreciate the breakdown after a dry fill to see how well it fills/missed the back bearing. I wonder how well the bearing buddy would have worked if starting from a bearing maintenance situation in which just replacing old grease in the bearings. Thanks man for the video. I’ll learned a lot watching you. Testing this out.
Excellent video thank you for sharing. I have a boat trailer with this feature butt did know anything about them. Now I have enough knowledge to go through my trailer with some confidence. Ric
Glad I could help! Best of luck to you! Thanks for watching.
I’m sure I’m an over greaser with amsoil blue marine grease. I’ve never had any bearing issues ever but I do “flush” in new grease every year.
I put a little layer of grease on the rubber plastic bra on the inside where it slides onto the bearing buddy. For one to keep it on the bearing buddy and two to keep water from getting in when backing into the water, Then when I get home, I take the rubber caps (bras) off to make sure everything is dry.
Best I can tell, bearing buddies help keep water out of the hub.
You see a lot of boat trailers with a wheel missing on the way home. When the warm hub is backed into the water, it sucks dirty water into the hub. On the way home, the hub warms up, the water evaporates, and leaves the dirt behind to grind the bearings to powder.
After 40 years and many boats, I prefer vortex oil, bath in salt water. No guess work. You can see the oil level. Oil changes are a snap.
The oil is not pressurized, thusly water can get in there if a seal leaks.
I've always over greased ever since I was a teenager doing my bicycles yearly. The grease displaces any area water can intrude into. I'm not to concerned about the rear seal as it gets replaced every time you pull the hub.
The Pawn Shop in my town has barrels full of ten dollar weed whackers . And the place is sourrounded with apartment buildings full of people who will never ever even come close to owning a single blade of grass themselves ever in their lifetimes or living in a place where they can walk directly out the door to go outside . Stack and pack apartments everywhere .
Nice hat. Thanks for the info. Your wife will appreciate the clean hands too!!
Our Rockwood Roo has Dexter easy lube axles. When I greased them after the first year of use, two wheels took a whole tube of grease. Since then, only a few shots and are good.
Trust me, "...a few shots are we're good" is NOT good enough. Take those wheels off every two years, clean those bearings, and repack them manually. I have the same EZ Lube bearings on my 2011 KZ trailer. Previous owner never repacked bearings for 9 years. When I removed the bearings in 2020, they were blue from overheating.
"Ten dollar weed eater at a pawn shop" 😆😆😆😆😆
Problem with Bearing Buddy is it will blow out the inner seal over time. Spring pressure grease will have to go somewhere. Both my trailers with Bearing Buddy's have the inner rim coated with grease from the inner hub seal. As long as you always have positive grease in the bearing, it does not matter if inner seal leaks. The good thing is that when the inner seal leaks, at least you know grease is flowing through the hub. Do not use bearing buddies on brake hubs as the grease from the inner seal will contaminate the brake linings.
You are spot on.
You don’t know how to use them.
The BB will not blow your inner seal. If pressure exceeds 3 psi, the spring moves out far enough to open a bypass. The grease will move into the open cavity in the front of the BB. If you are getting grease past your inner seal, the slight positive pressure is showing that your seal is compromised.
Geoff, your doing it wrong! First you need to use a double lipped rear seal. I use Redline from NAPA. A single lip seal can have seapage. You only grease till the piston just raises off its seat when the bearings are cold. As it heats up the grease will expand and the piston will come out a bit more. If you fill too full when cold then when the bearings heat up the pressure may not relive fast enough and it can blow out the rear seal.
Not a fan of bearing buddies. I'm an old guy ,still hand pack all bearings. The problem I have with filling the hub is I believe it will overheat due to rollers pushing thru all of it. In younger years always packed bear handed and most likely cleaned up w/a spray solvent. R11 was best degrease. Might try Loctite 515 sealer. Doesn't set up easy to disassemble. Not cheap though
use barrier cream as well if no gloves.. also for cracked fingers take Hemp seed oil,, or even hand cream with UREA..
My tendency is to over grease, but I learned to temper it long ago.
I thought I knew everything there was about packing bearings but I learned a new trick today! I've NEVER heard of putting silicone sealant on the bearing seal and outer cap but I will start using that method now. Is using the sealant for all applications or just boat trailers that get submersed in water? Either way I see an advantage to prevent water from entering the inner hub cavity. GREAT video!!
Great video. Not sure if I’m an undergreaser or not but not an overgreaser.
I have never packed a bearing, but know about lubrication. Under greasing will cause damage and failure. Over greasing will just get slung off in service. Pleas err on the side of over greasing.
I hate RTV and never use it.
Grease it every time I use it😂 I grease mine every few years.
Enjoyed the video! Learned a few things, Thanks !😊
So glad! Thank you for watching!
Tell you a little secret about inspecting wheel bearings like that you clean them up real nice and air dry them and then you make sure there’s a light shining where it can shine in the race and you turn the race real slowly and look at the inside race, look for pets and things like that is six in a row Jim from Kennerdell pa
Always great information!
Thanks for watching!
IMO it's better to take the time and hand-pack the bearings using water-resistant or water-proof grease. To easy to blow out inner seal using bearing buddies.
If you drill a small hole, 1/16" on the inner seal, grease will pass through the oughter😂and inner bearing and not ge5 air locked.
They work for me! Never had a problem with them
On my boat trailer using AMSOIL marine grease.
I tent to over trease I guess a tube a side. Lol also over has costed less than dry
I’m having a problem with one side of my boat trailer falling off, I seems tight when installed but it loosens. I just tried locktite blue on it ? I don’t expect it will work, I’ll probably have to replace the hub, why this is happening I can’t figure out ? Thanks,
I cleaned out a local business and found a case of grease guns , score ...
I think this Bearing Buddy is more of a way to add grease without the disassembly. This means manual packaging of the bearings first, then installing this product for proper lubrication.
i have a question about hub size. I have a 5 on 5 Dexter what are the pros or cons of it vs. a 5 on 4.5 hub 3500 lbs. axle
What exact grease type and manufacturer are y'all using? My dad taught me how to "palm pack" bearings as a kid. Still do it to this day 👍
I watched this video and remembered I need to replace the bearings on my 4x8 harbor freight trailer......Do you know what bearings and seals I need to go get???
Just to sharp shoot you, painting the bore with sealant then installing the seal with a "proper driver" will cause the sealant to roll up a bead internally sealing the OD. Your way scrapes the sealant off when being installed. Not my idea but the engineering departments analysis at the transmission manufacturing company where I worked.
When using bearing buddies aren't you forcing the old dirty grease from the front bearing into the inner bearing?
My 2 horses trailer came with the bearing bubbie.
Sounds dumb, but I've always had one or two rolls of Toilet Paper hanging over my grease station.
It's cheap and super effective at moving over-greasing from the parts to the trash bin. 💰
The cheese can RTV dispenser is cool. How long will your RTV last in a can like that?
Do you guys have or ever use lock and lube adapters on your grease guns? If not, you should, well worth the extra $!! Best money I've ever spent and did to my grease gun.
They make a stubby and a long style, each has their place. Dont go generic.
Great videos! But im totally confused. How do you know when you have applied to much grease, or to little grease? I have read to much grease is just as bad as not enough. How does one know? I would think packing the hub with grease would fall under the to much grease. Any help would be greatly appreciated.
There is a spring that pushes a seal inward. When the grease is pumped in and has filled all the voids, the seal will move outward. There is a hole for grease to come out which means it’s filled.
How often do you add grease to your daily driver hubs. I thought so.
No man. Put grease fitting in the spindle and assemble. You know where the grease comes out of the spindle between the grease seal and the inner bearing. Fill the spindle and bearing with grease as you spin the hub to prevent the grease from channeling straight through and leaving voids. After it is full and running out with plenty of excess, then put the BB on and fill that. Once a year, you can pop the guts out of the BB, install the grease fitting and pump new grease in each hub, again while spinning the wheel. When you get new grease out, you're done. Replace the BB guts and fill the BB. I just did this to all my hubs, and junked the vaults while I was at it. And of course, I forgot to install not one but TWO dang cotter keys before I hammered on the BBs.
after years of struggling with bearing buddies on my small bass boat trailer, I've switched back to regular dust caps and completely repacking once a year. I've lost so many bearing buddies while trailering long distances. I've been stranded 100s of miles from home a few times due to wheel bearing issues. I now carry two complete hubs with me when trailer long distances. Not my buddy in my opinion.
Good points
Thanks for watching!
So, if the Bearing Buddy didn't get grease into the rear dry bearing initially, is it really doing anything for that rear bearing at other times? Thx
Thank you for the video.
You're welcome! Thank you for watching!
Are do you measure the bearing buddy to fit.
My 1991 ranger trailer has the ez lube spindles. I recently had my trailer worked on and the shop installed bearing buddies. is it ok to use these with ez lube axles instead of the traditional caps?
Had a mower hsd grease fitting on spindles put grease in it got to making noise took it apart had sealed bearings in it😅
Good info
Never been a fan of hammering seals into place - too much error to having it cock. I always use a press whenever I can to get a perfect seat.
I must be an overgreaser… because I was taught to pump grease until it came out the other end. Under greasing would be bad, right? Because the bearings wouldn’t have enough grease and may be dry.
Why are these not good for daily use trailer?
Great video. What is your opinion on a, grease needle for packing bearings ?
Judging by the copious amounts of shop towels/rags I go through, I think I am in the over greaser category. Is the use of sealant called in the BB instructions besides the 1980T (Threaded) models? I have repeatedly had the stainless steel BBs fall off the hub on rough roads and I wonder if the sealant will act like an adhesive and help retain them better? I have even replaced the hubs thinking the bore was too loose, but that hasn't made a difference. Seems that the interference fit is too loose and after 1 or 2 removals it loosens even further and tumbling down the road they go. I have even tried not adding grease after install to see if the pressure was causing it to push off, no difference. It is getting really expensive to keep replacing the lost BBs, especially the stainless ones. I have yet to lose a cheap knock-off BB like the ones from wal-mart, only issue is that they leak grease out the center where the genuine BBs don't.
Definitely under greaser, always afraid of blowing out the seal.
I appreciate all your videos. I lern something each time. I have a boat trailer (single axle) made by Vexus Boats. The cap on the hub is The Vault, Hybrid Oil, No Service Required. About two years ago i had one hub bearings replaced (leaking fluid) and just the grease replaced in the other. The trailer is 5 years old, not many miles (maybe less than a 1000 a year). Im seeing grease in the replaced bearing already after two years. Some say these type of hubs can go 5, 10 years but i dont believe that. Bottom line, question? Have you done a video on these "The Vault" hubs? Is it similar to the Trailer Buddy?
great video. Thanks Don
Thank you for watching!
under greaser, lets just say I got NASCAR pit crew fast at swapping axles...
Over-greaser. Although I don't think there is such a thing as over-greasing. I try to get as much grease as possible in the bearings and hubs. Don't believe it has cost me anything.
In high-speed line bearings, it's easy to over-grease, and it will overheat the bearings. In a wheel bearing though? Pack the heck out of that bearing and hub.
very nice, thanks
You’re welcome! Thanks for watching!
I lost a bearing buddy revently and unfortunately backed into the lake without it. Does the whole bearing need to be disassembled and repacked now, or could I clean it up outside of the nut with the cotter pin, repack the new bearing buddy with grease and go? Thanks for the great video!
Best would be to disassemble and start fresh if you're able
Over greasing costs a few cents for wasted grease. Under greasing can cost a hub, axle and even leaving your trailer on the shoulder while you go down the road looking for parts. Only a politician could fail this cost analysis!
Would love to see the same test with different spindle styles. I have the style with zerk on end with hole behind the rear bearing. How well do they pack/fill bearing?
Watch his EZ-Lube video re: your "zerk on end with hole behind the rear bearing". The answer is - the EZ Lube won't really pack/fill your bearing if it wasn't properly packed when you installed the bearing or did the routine maintenance. The EZ-Lube system is notorious for pushing excess grease out the rear seal and onto the brakes. If you do a search you will find many forums for motorhomes where people had the exact problems that Trailer Smith describes in his video on EZ Lube hubs. For non-marine applications there is NO REASON to fill the hub with grease, so the EZ Lube system is awkward for cargo trailers, motorhomes, etc. You can treat the EZ Lube hub just like it wasn't there, and pack the bearings the conventional way. Pull the stuff apart on proper schedule to maintain it rather than fill with a ton of unneeded grease in the hub.
Thanks for this very thorough response. Couldn’t have said it better myself. 😊
U sound like Mr Subaru 😅
Honestly, I had never heard of Bearing Buddy. It looks like it’s kind of an after-market EZ-Lube (without the chase to bring grease to the back of the bearing)?
It's not.. the design is to keep moisture out only, nothing more.
Over greaser
I have been pumping grease in my bearing buddies for years do you recommend me pulling them off and packing them by hand.? My boat stays in my garage mostly.
When you pull apart for inspection, clean the bearings and check the races. Fill the bearings by hand and assemble. Fill the hub with grease using the bearing buddies. Drive to ramp. The air in hub will have leaked out. Add enough grease to just lift the piston off the seat. The piston should be rockable if it is floating. After a few cycles to the ramp you won’t have to carry a grease gun with you. Then I fill them at home before leaving if they need it.
I check my bearings every 5 years, that is pulling them apart. They have lasted 30 years like this. Our boat is a 1991.
I was taught years ago that bearing buddies are bad. Hand pack only.... Also. He claimed to never fill the center of the hub
Are those OSHA approved sneakers?
Yes they are! Good eye! 😁
@@TheTrailerSmith lol!
Over greaser for sure
I am an overgreaser.
It'd be better if you had a cut away hub
Under grease costed more money
Not really necessary. If you pull your hubs and put a new seal on every 2 years, your bearings will last a decade or more.
Its not over greasing or under greaseing its the quality of the bearing that's not there no more timken bearings made in USA only China and Taiwan its a cluster fuck economy
not a very good "buddy" if you cant use an electric grease gun seems to have been badly designed for this day and age, or they haven't bothered to make progress on it since it was designed so a waste of money.
Obviously they don't want someone forcing too much grease too fast and pushing grease out the rear seal.
I have found the most boring video on TH-cam
👍👍
🤣🤣
Only on axles with no brakes. Made for boat trailers.
My boat trailer has brakes. Your comment makes no sense.
I've had brakes and Bearing Buddy's on every boat trailer since the 70's
That's six now.. 👍😎✊