Another slew bearing
thingiverse
Pulled from: https://grabcad.com/library/bb-rt-01-100-es-slewing-ring-bearing The initial design was scaled to fit two sizes of spheres and mounting openings: All five times scaled components - spheres and holes 3 mm; All ten times scaled components - spheres and holes 6 mm. It contains sixty spheres that can be printed or purchased separately. This design is intended for use in a robotic arm, and a driving gear is available at http://www.thingiverse.com/thing:885159
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