From my experience with bearings, tapered roller bearings need minimal free play <.005" when set.
For spherical roller bearings you need a loose clearance for them to operate properly.
For front wheel bearings on a vehicle I have always spun the rotor/drum while tightening the spindle nut, applying about 15-20 ft lbs of torque to the nut. Back off the nut, then turn back till it just touches the bearing. Then lock down.
Jeff
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