gonna replace bearings in trailer, and need to know what i need.got a good mechanic going to show me how to do it, he said to bring the stuff over and i can watch and learn. what do i need to buy? they sell a bearing kit at cabelas with either a 1" or 1 and 1/16". what size do i need. it is a 2004 single axle without brakes carrying a 187. thanks for the help