Quote Originally Posted by prefers shiners View Post
I used to repack my own bearings and it would take me half the day and make a mess.....then I started taking it to a trailor place and let them repack them as it was not very much $$$$$......also had my trailor rewired for $35......then it became cost effective to just replace the bearings as the cost of the bearings was very minimal and you didn't have to worry that you missed seeing a bad bearing....to answer your question, I would change out the bearings once a year and give them a shot every now & then during the year....if you ever get stranded late at night on a dark road with a frozen bearing you will never want to do that again....

now, if you have the oil bath system, as I do you can go longer (I was told 10,000 miles) but I still do not go longer than 18 months and I change them out.....
Hey Bruce Again,

I try to pull my bearings and clean and repack em once a year. If you inspect the race it will give you any indication of a bad bearing.