Originally Posted by fatsac
The sleeve wear being normal is what the PDM or URD
kit is all about!
Yep, that one line in the TSB bothers me a little too.
A Toyota mech from the FJ board says the new bearing is physically much larger (call it thicker or wider or taller when laying flat on a surface). Plus the fork arm support and slave cylinder are both new items shown in the TSB. It kind of looks like what they're doing is placing a heavier (and wider) bearing in there. The inner race would then be 'wider' to provide more contact area with the shaft. Under a load from the fork it will be less likely to wobble/rock on the shaft.
Is this the answer for long term reliability in this area ? Who knows, I guess time and mileage will tell.