Fully printable 608 roll bearing
by noreway, published
Print 8 bearings and a skateboard: thingiverse.com/thing:83738
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This version has the little terrace on the inner race. Therefore axial forces gives a lot of abrasion. The second version (http://www.thingiverse.com/thi... has inner facets and takes more force in axial direction over the rolls. I uses 8 of them for my mini skateboard (http://www.thingiverse.com/thi... that hold 65kg in very careful usage.
For axial forces you maybe should also check the gear bearings (for 32mm inner hole spool: http://www.thingiverse.com/thi... by emmett.
How much force can this take along the axis of rotation? Could it hold up a kilogram filament spool?
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I used a Printbot Plus with 0.35mm Nozzle and 0.2mm layer height.
2. Glue inner race
Maybe file or sand the inner hole before.
Assemble every second roll inverted.
4. Glue outer race
Turn bearing around to ensure rolls are not glued to outer race.
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