Homemade Linear Bearing

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I built these linear "cage" bearings out of aluminum square tubing, threaded rod, and 608 bearings (skateboard bearings). They are easily adjustable by simply tightening the nuts on the outside of the square tubing. Because of this there is zero play in the bearing. These two linear bearing cages will be attached side by side perpendicular for a project I will soon reveal.
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Good idea 👍👍 but it should be adjustable, to minimize inaccuracies in the making...

aryapzh
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One carriage...
16 gears very expansive....

ahmetdede