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Check grease levels at a glance with the blue auto-check ring. Stainless steel Bearing Buddies maintain light grease pressure inside the hub to protect your bearings, even when submerged, while the zerk fitting makes adding grease quick and easy.
Features:
Specs:
Replace your existing grease cap with a Bearing Buddy for an easy way to monitor and maintain the grease level in your axle hub. Use a grease gun to add grease through the zerk fitting. As the hub fills, the spring-loaded piston moves outward, raising the blue auto-check ring. When the blue ring is 1/8" above the steel retaining ring, the hub is properly filled.
The O-ring inside the barrel of the Bearing Buddy maintains a seal from the outside. The pressurized grease inside the hub helps prevent water from entering and contaminating the grease. Bearing Buddy also includes an automatic pressure-relief feature to help prevent overfilling and damage to the inner seal. Once the hub is full, excess grease seeps around the edges of the piston and into the barrel while the blue auto-check ring remains raised.
Check the blue auto-check ring to see when it's time to add grease. If the ring has receded below or is flush with the steel retaining ring, more grease is needed. If the lip of the blue ring is 1/8" above the steel retaining ring, the hub is properly filled.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
I installed the Bearing Buddy on my motorcycle trailer before towing my Harley to Connecticut. The grease caps were easy to install and provided good grease protection while on my trip.
The Bearing Buddy arrived in good time. I lost one somewhere and enabled me to go the tire store for new skins before the snow.
It is a 500 mile trip to launch my handmade, mahogany drift boat..wanted the security of bearing buddies on my axles.. the units were easy to install, filled them with marine grease,check periodically..good to go..good service from e.trailer..good product
The fit perfect on my new Kodiak Disk brakes I purchased!
Great product, easy to install. Joy in customer service was fantastic.
Great product. If I had them on my trailer earlier I might have saved myself a lot of money and aggravation having to change the hubs and bearings that failed due to salt water damage. Don't go without bearing buddies ... Much easier to maintain your hubs than without them.
Chinese bearings.
I had i known this upfront I would not have purchased.
I have a set of Bearing Buddy’s that have been on a utility trailer of mine for 22 years. Now granted it doesn’t get a huge amount of miles each year, but it’s a fair amount.Not once in those twenty two years have I inspected the bearings. I just keep them full of grease, which is so easy. I decided to put a set on my camper so that I could check my grease level at a glance, know that water will never make its way in, easily top off with grease and keep my hubs full, and only have to do a full tear down and inspection of my bearings every four to five years. It’s a no brainer for me. Install can’t be any easier.
The trailer items were great and good quality. As per usual UPS near up the shipment with several holes in the packaging.
Just what I needed. Haven't used the trailer since installing the Bearing Buddy but expect they will be as advertised. Installation was easy.
These are amazing. I put these on my small trailer because it needs to last a long time and I live in a coastal area. Money well spent. A premium product. Easy instal with a short 2x4 if you are handy.
Item shipped fast and secure. I always receive the correct part when I order. Thank you
As expected, fast shipping
Service and shipping second to none!Thanks again!
Love how easy it is to keep the wheel bearings greased with these Bearing Buddy's.
Just pop the cover off, hook up the grease gun, a few quick pumps, and the bearings are ready for another season. The blue inside plate moves out as the grease goes in so you do not over fill the bearing. Slid the cover back on and you are done.
Arctic P.
6/14/2020
This product has proven it is the best choice for the job of keeping my utility trailer rolling trouble free.
Quick shipping, work great !
wrong shipping address was applied to the order attempted two minutes after placing the order to change the address. All I got was voicemail basically two days later I received a response saying it was too late and of course, after two days, it would be too late.
Installation instructions were very helpful and thanks to the customer service rep, these fit my hub assembly perfectly.
I lost one of four bearing buddies. I love these things, I just wish they made a model that could be used with greasable spindles. Now to figure out why the first one came off my brand new trailer. I used red picture on this one, we will see.
Perfect for my trailer and will help seal out water and hopefully add life to my bearings. etrailer is and always will be my stop for great products and service!
Gwendolyn Y.
4/28/2025
Thanks for saying that, David! I love knowing that we are your go-to :D
Bearing Buddies customer support is horrible, one of my new caps was defective the grease zerk came off, I contacted them and this is what they sent me, I guess I’m supposed to bring it to a mechanic and pay $$$ to have it fixed ! Garbage !
All 3 products are working well. Before the new parts, the trailer blew a tire which bent up the fender and smashed a tail light. I ordered what I needed from eTrailer and put my trailer back together. Parts were all available and came quick. I didn't miss any fishing opportunities as a result.
Great price, excellent quality, delivery was fast and installation was easy, the bearing buddies arrived today they are on the trailer and ready to go.
Thanks e trailer!
Brian
7/26/2026
Working great, holding up very well. Great quality and excellent value.
Jerred H.
7/26/2026
Product Review: Only intimidating before you install. Really easy, pop out the OEM caps and replace with the bearing buddies, fill the buddies with your grease gun and you are done. Nice to know my (well greased by the factory ) wheel bearings now have a supply of grease under slight pressure to be sure there will always be grease in my bearings and foreign matter will be kept out.
Gwendolyn Y.
4/30/2026
They look great, Lex. Will make maintenance a breeze now.
Info for this part was:
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Larrym
6/2/2017
I couldnt be happier with the Bearing Buddy after using them for the past year.