HP diffs are not recommended for running in the rear from what I've heard. If you're running one in the front, I don't see how you could fry bearings unless you're driving it in 4HIGH at high speeds.
![I Dunno... :dunno:](https://board.marlincrawler.com/Smileys/marlin/dunno.gif)
Not totally sure on that, just my
![My Two Cents :twocents:](https://board.marlincrawler.com/Smileys/marlin/twocents.gif)
I have a Marlin built HP in my front axle, but it has seen little to no wheeling at this point.
![Marlin Crawler Turtle Logo :turtle:](https://board.marlincrawler.com/Smileys/marlin/turtle.gif)