Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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On the A9 axle bearing seals (national 712146's) I'll make sure the housing end is clean, often wiping it out with Brakecleaner or solvent, then I typically will wipe a little Mystik JT6 grease on on the circumference of the seal, then carefully slide the axle in.
In your original picture, as well as Scott's, both used axles, the integral race has popped off (the remainder of the) A9 bearing. when pressing on new tapered axle bearings, the trick is to carefully press the bearing on making sure not to go Ape with the press. On a used axle after the combination of stamped steel axle retainer/seal/bearing are on, if the axle is a used one, install it & ck the wheel flange for runout, then after axle cks out, carefully use the press to seat the steel lock collar against the A9 bearing. Hope this helps.