Simple Prusa i3 mk2 Y-axis tensioner w/608zz bearing
thingiverse
The original design was slightly constricted, hindering the free rotation of my bearing, so I expanded the clearance to 7.4 millimeters. It is recommended to use an M4 screw and nut for optimal performance. However, if an M5 screw is all that's available, it will still work effectively in a pinch.
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