Axial Float

Also known as End Float. Movement of one shaft along its centreline due to the freedom of movement permitted by a journal bearing or a sleeve bearing. This adjustment should be set before performing vertical or horizontal moves. The degree of axial float can be adjusted by the position of the stops, or whatever limits the motion.
Found on http://www.diracdelta.co.uk/science/source/a/x/axial%20float/source.html
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