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Protect your trailer bearings from water, dirt, and corrosion while making greasing quick and easy. Stainless steel Bearing Buddies maintain light grease pressure inside the hub to help prevent bearing failure, even when your hubs are submerged.
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 zerk 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 which prevents 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.
You can manually check the grease level in your Bearing Buddy by pressing on the edge of the piston. If you can rock or move the piston, the hub is properly filled.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews

John B.
11/11/2021
After 1 year of use, these are still working perfectly and have made my trailer maintenance much easier.

David K.
7/31/2016
Perfectly! Fantastic product at a low cost.

Wayne S.
3/3/2018
These bearing protectors are working out great, probably have 20 trips to the mountains hauling equipment 230 miles round trip and they are holding up great. Surprisingly the rubber dust caps have also stayed on and held up in severe weather conditions with both heat and snow. Bearings and seal were also replaced and are all holding up well now that the grease stays where its supposed to. Overall, a great product!

Glenn
5/20/2016
Thanks for the follow up to my review - Im currently getting ready for the 3000 km road trip to Newfoundland with a fully loaded trailer. My Buddy Grease Caps are loaded with grease and have no doubt they will perform well throughout the trip.

Gq-rod
5/26/2016
Have not mounted them yet as life got in the way, but will be installing them soon, will update when i start using the trailer, but as before the great things is that e-trailer carries this model for this particular trailer.

Norris
6/8/2019
Excellent

Lukasz
11/18/2020
working perfect, no problems

Ed C.
6/29/2018
After a year they’re still working as planned. If and when I need anything for a trailer I’ll buy it here.

Rodger L.
1/13/2019
used them all last year going to the lake 3 or 4 times a month and putting the boat in and out of the water and have had no problem. Theyve kept the water out of the bearings of my Harbor Freight trailer.

Edward G.
7/22/2016
Still owrks fine, only problem is that it came with no installation instructions, That would have been nice however

Alan
7/29/2024
works great..hauling tailler from Yuma AZ to Showlow AZ 200 ft elevation to 5600 ft level some 7 plus hours one way.. have done drive several times this month
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Bruce J.
12/28/2014
The Bearing Buddy protectors are still working well.