Thanks, It does have a ball bearing in the back plate, it has been on my 54-3100 for 44 years. About 36 years ago I used a hand crank armature lathe and replaced the brushes. It has about 6500 miles on it since so I better check to see how its doing.
Last edited by Doc.Hall; 05/28/2020 11:08 AM. Reason: misspelling
