John&Joey wrote:
BB_TX wrote:
...Adding grease to the zerk only supplies grease to the front (or outer) bearing if you pump enough grease in to push the grease thru the inner bearing, thru the hub cavity, and out thru the outer bearing...
I think you're thinking about those cheap end caps you buy from Harbor Freight.
This is how they work:
Clicky
Apparently you are not familiar with the Dexter EZ Lube axles and how they work. They have a zerk at the outer end that ports grease to the inner bearing, thru the hub, to the outer bearing. If you watched the video you posted the link to you would see what I mean.