How to grease and maintain your boat trailer bearings -step-by-step guide. Don’t let bad bearings leave you on the side of the highway instead of the lake.

Greases help sleeve bearings operate with less maintenance. Understanding bearing oscillation angle, temperature, friction, and grease replenishment requirements will keep bearings working longer.

Greasing wheel bearings can get very messy very quickly, in a very kindergarten kind of way. The trick is to embrace the ooze, because greasing is the fun and easy part. The hard bit comes when ...