[Capt Terry]

Here is a tip I ran across the last time I rebuilt my trailer hubs. After inserting the grease packed inboard bearing and inboard seal into the hub, with your finger pack the annular area between the seal and bearing with grease, before putting the hub onto the spindle.
Your boating education will improve & there is a always something to learn or do better! Plus lot's of opinions like roller versus bunk trailers.