Arrives before Christmas 
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Great for marine applications; the stainless steel construction provides the best in corrosion resistance. The design makes Bearing Buddy an easy way to protect your bearings by keeping water out and ensuring enough grease is in the hub.
Features:
Specs:
Replace your existing grease cap with a Bearing Buddy to ensure a safe, easy way to monitor and control the level of grease in your axle hub. To adjust the amount of grease in the hub, use a grease gun to add more through the appropriate fitting. Adding grease moves the Bearing Buddy spring-loaded piston outward 1/8".
The O-ring inside the barrel of the Bearing Buddy maintains a seal from the outside. The interior of the Bearing Buddy is pressurized, preventing water from entering the barrel and diluting the grease.
An automatic pressure-relief feature is built into the Bearing Buddy. When the device is full, grease will seep around the edges of the piston and into the barrel. This prevents overfilling that can damage the inner seal.
The blue indicator ring allows you to visually monitor the amount of grease in your hub. The ring should sit flush with the top of the cylinder. If the ring is below the top of the cylinder, add grease until the piston moves 1/8" outward.
Average Customer Rating: 4.9 out of 5 stars (745 Customer Reviews)
Great for marine applications; the stainless steel construction provides the best in corrosion resistance. The design makes Bearing Buddy an easy way to protect your bearings by keeping water out and ensuring enough grease is in the hub.Kim did a really great job making sure that these would work on my hubs. Seems to be a really good product and looking forward to making it easier to grease the hubs from now on.
Awesome functional and a must-have in my book! These seem to work best if your trailer utilizes ez-lube axles. The stainless steel is the way to go in my opinion. These utilities a spring loaded piston inside to help keep lube packed in the bearings. Corrosions and rust on the interior interferes with the spring/piston function. The stainless steel option is going to give you the best functionality over time. Make sure you order the ones with the Auto-Check Valve, to relieve pressure (grease pressure) and help prevent over greasing.
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.
The web site is easy and helpful. It enabled me to source my bearing buddy by my trailer model and year. The product arrived very soon after my order and I was informed of the shipping progress all the way. Bearing Buddy slows me to insure my wheels are serviced and safe prior to any trip we plan and let’s me relax knowing one phase of our trips are checked off our list.
On my previous trailer I installed Bearing Buddies from etrailer. They were a great product, allowing me to easily keep the wheel bearing greased and prevent the possibility of wheel bearing failure. That experience is why I ordered Bearing Buddies for my new trailer as soon as I got it.
Order was delivered in 2 days! The hub assembly fit perfectly and Bearing protector fit exactly into the hub. Placing order was very easy and their order follow up was appreciated!
Fits perfectly. Easy to keep
Wheel bearings greased. Great customer service. My rep found the exact part I needed.
Helps keep saltwater out of my hubs.
Still recommended repacking the hubs annually but this cap hasn't let anything in yet!
Just what I needed. Haven't used the trailer since installing the Bearing Buddy but expect they will be as advertised. Installation was easy.
Larrym
6/2/2017
I couldnt be happier with the Bearing Buddy after using them for the past year.
Trust them to keep my bearings greased up for the long miles I put on my trailer.
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.
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.
Lauren in particular, and the entire customer service team at eTrailer are to be commended for their diligence and professionalism correcting the issue with the hubs I ordered. I highly recommend eTrailer for all your trailer needs.
High quality build that looks great. Hopeful they will work as advertised.
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
Fast shipping. Every thing was in the order. Parts were quality. Will order again from etrailer.
Upgrade tail lights and add bearing bud dies
I replaced the original Bearing Buddies on my 2004 Shore Land'r that were leaking and loosing grease. Luckily the bearings were in good shape.
Great price, fast service and easy install. Just purchased a teardrop trailer and it is a simple hub design with no zirk fitting. So unless you like pulling the tires and hubs off, Bearing Buddys are the way ti Go! Grease Gun, pump pump, done.
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.
Only 4 stars because I just installed them and they fit great and this is the only trailer of the 6 I have currently installed on! Give it some time and it might be 5 stars or less
Mark
8/23/2023
Working great!! Used them in the past and don’t expect any problems
Replaced bearings, races, and seals + installed bearing buddies on my boat trailer. Everything went together without any problems.
People at Etrailer were great to work with. It took me three tries, but with their help I finally got the size I needed and they are now successfully installed. Big thanks to the Etrailer folks.
Work as they should
Not much to see, but here are pics of the installed new hub and Bearing Buddy.
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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.