WTF thought this was a piss take.Went and bought a press not to long ago to do this tedious shit ass job.Made it a rule to install grease nipples to most moving parts,hook on grease gun pump up n ride.
But if you have to replace bearings,once you have taken all the skin off your fingers n knuckle’s
removing the old ones,
Place new bearings in the freezer for a few hours,they will then fit straight in,not much swearing,hitting,,,,presing required.