Thanks to both. Yes, the bearings (albeit old ones) are hard up against the shoulder. I've gone over both crown wheel and mating face with a magnifying glass and found no burr or witness mark, and gently rubbed over the carrier with a fine file regardless. Also given both surfaces a good wipe down before assembly so both are clean.
How do people go about truing them? Presumably hold the cylindrical surface the bearing inner race sits on in a chuck or collet and skim the mounting face(s)? Or is there another way?
I'm currently clocking 0.11mm = 0.0043" (and as Howard points out, also trying to ignore minor surface deviations on the back of the crownwheel).
How do people go about truing them? Presumably hold the cylindrical surface the bearing inner race sits on in a chuck or collet and skim the mounting face(s)? Or is there another way?
I'm currently clocking 0.11mm = 0.0043" (and as Howard points out, also trying to ignore minor surface deviations on the back of the crownwheel).