Parametric Slew Bearing with Rollers
thingiverse
This is a parametric slew bearing that uses orthogonal round rollers to create a fairly robust slew bearing that can withstand axial and radial forces. One of the parameters in the Fusion360 file is inner diameter. If I was smarter, you could supply inner and outer diameter and it would calculate the number of rollers as well as the roller diameter. However, one of the other parameters is the number of rollers which will determine the diameter of the roller as well as the outer diameter. The uploaded design uses m3 flat screws in order to mount and join the races. The actual STLs are really intended to just be a reference, and you should modify the Fusion360 file to change the bearing to meet your needs.
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