[gearhead]

Yes it is possible. If you install them be very carefull. When you pump grease in them it will take a lot of grease to fill the void in the middle of the hub between the bearings. But when the spring in the Bearing Buddies starts to compress STOP PUMPING. You should also see grease coming toward you from the Bearing Buddy weep hole.
It is really not much different than the EZ LUBE except it is designed to maintain very slight pressure in the hub.
I have had them on boat trailers with no issues. When the warm hubs are submerged in cool water instead of the temperature change sucking in water, the spring will relax and maintain some pressure.
Go for it and let us know how it works for you.