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Bearing buddies wear out?


Crow Hunter

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I am going to replace the bearings and grease seals on my boat trailer. My question is should I replace my bearing buddies also? does anything wear out on them? They are probably 15 years old, seem to work fine. Thanks for any thoughts

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Shouldn't have to, CH. Basically they are a spring loaded device that pushes the grease at about 3-4 psi or so against bearings to keep water out when launching into and retrieving from water. The warm hubs suddenly contract when they hit the cool water, creating a vacuum, sucking water in. The bearing buddy helps prevent this. I occasionally took mine apart, checked the backing plates, and gave the springs a bit of a "stretch". 

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I agree with Reb. The only thing I like to do is use the bra that you can get. Smear a little grease around the outside were it slips on. This way it make a waterproof seal and keeps the dirt out of the bearing buddy. I like to smear grease around the zirt as well to protect against rust.

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