Aircraft wheel bearings settings are not the same as continuous load applications like machinery and automotive.  Cleveland, EAA, Grove all have manuals on inspecting and installing aircraft wheel bearings.   Parker/Cleveland state (and I use this method):

(g) Torque axle nut using value specified in aircraft manual or the following:
1 Rotate the wheel/tire while tightening axle nut to 150 to 200 inch-pounds (16.9 to
22.6 N•m) to seat the bearing.
2 Back off axle nut to zero torque.
3 Tighten axle nut to 30-40 inch-pounds (3.4 to 4.5 N•m) while rotating wheel/tire.
4 Rotate axle nut (clockwise or counterclockwise) to nearest slot and cotter pin hole,
and insert cotter pin. Bend ends of cotter pin around axle nut. Note: Wheel must
rotate freely without perceptible play.

The Parker manual is online with a Google search.  I think that Timken manual is not addressing aircraft bearings which have a preload requirement.  Forget the dial indicator.

Paul
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