Parametric split-hub printable bearing
thingiverse
This printable bearing boasts a two-piece hub for adjustable tension on the balls, achieved by tightening nuts against the hub to press balls against the outer ring, catering for printer tolerances and preventing wobbling upon wear. The two-piece design simplifies assembly. Variables include inner diameter, outer diameter, bearing width, ball diameter, and angle of contact with hub/ring; it's compatible with vitamin BBS or round beads. Picture sizes correspond to a 608 bearing (7mm width, 22mm diameter). The bearings, from left to right, feature 6mm plastic airsoft BBS with a 3mm shaft, 4.5mm metal BBS with a 6mm shaft, 4.5mm metal BBS with an 8mm shaft, and 3mm spherical beads with an 8mm shaft.
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