I know that 3D printers and CNC routers have beds, gantries, motors, and electronics. The difference is the tool in the machine. I have a large CNC router in the woodworking shop at the program for mentally-handicapped people where I work. I found out that I need new plastic sleeve bearings. I asked for help at CNC Zone forum and someone referred me to a company that makes sleeve bearings. They have so many different kinds of plastic sleeve bearings! The sleeve bearings have shaft diameter of 25mm, outer diameter of about 35mm, and I don't know the exact length.

Website: https://www.igus.com/iglidur/plain-b...presetsurpre=1

Someone at CNC Zone told me that sleeve bearings with ball bearings don't work on shafts where plain plastic sleeve bearings are used.

Any suggestions?