I run a PC 75182 in my router table mounted in wing of cabinet TS. It gets occasional and fairly light duty use (1-2 hrs a week on profile edging and limited production rail and stile cabinet door work). I seem to notice an increase in the spindle bearing noise as it winds down after being turned off. In other words, it sounded very similar to my other hand held units (when I initially set it up) then how it sounds now when I run it. The unit runs fine with no obvious play or run out , but the increase in noise makes me leery of long term performance or maybe premature unit failure. I run the unit with vac system (Oneida Gorilla 3 hp) and keep a solid cover plate in mounting plate when not in use. Does anyone have thoughts on this PC unit being particularly susceptible to premature shaft bearing wear due to router being inverted and dust filtering down into shaft/bearing/armature area of motor? Or might I be missing something in proper use or maintenance that is a user error issue. Any insight is appreciated.