rear axle bearing lube

[Patrick L.]

Many folks don't like using the grease fitting. Those fittings do tend to plug up with 'crap' [technical term] over the years. I get concerned about pumping that 'crap' into the housing if they haven't been cleaned, but, then, for the little amount of crap thats in there I don't think the bearing worries about that at all.
I'm with Brent about those fittings, I don't have a problem using them as long as too much grease isn't used.