Originally Posted by
sharpshooter90
I spoke to JT about the drawbar upgrade and the bearing load, and he said they have a customer who has used the design for 3 years with no bearing issues. They use a double row high angular contact bearing for the top and bottom of the spindle, and the rated load to release a drawbar is way below the bearing rating. In the automotive industry these type of bearings have replaced the old style tapered roller bearings for their better performance and lower maintenance. For a home garage machine which for most guys gets pretty mild use, I doubt that the bearing load will ever be an issue.