Linear Bearing for 3/4" (18.9mm) square tubes
Description
this is my design for a simple but sturdy linear bearing for square tube. I used 3/4" aluminum square tube and 16 skateboard bearings (8x16x5 mm). THe bearing slides very smoothly on the square tube with minimum play. This concept can be used to make laser engraving machine, CNC machine... Here's the link to the video in which I showed the testing, making process of this setup: https://youtu.be/CMBUchu-sCk The side plates were cut with CNC machine but you can also 3D print them if you don't have a CNC machine.
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