Dexter 7K axles on my fiver.. Third season of use.. Typical distance pulled average 10 to 12K a year..used the grease zero fittings first two seasons, jacked wheels and pumped slowly while turning wheel...
Pulled drums this year just to see how bearings, seals, and brakes looked.. No issues with bearings, grease seals fine.. Blew out brakes with air compressor, hand packed, reinstalled.. Will use zerks next year no then maybe following year pull drums again to clean out and inspect.