Hello boys and girls! There are about 50 "tapered front-end bearing" threads, so I picked this one at random. Somewhere, cna't find where, I mentioned that my front steering was developing a notchyness feel, as if there were grooves in the bearing races. After about 25 or 30K miles of tapered bearing, I finally took my frontend apart. (Not one of my favorite things).
My suspicions have been realized.
When turning the bars from stop to stop, those rollers don't move much, and when riding straight, which is most of the time, the rollers are sitting on the same spot; mile after mile after mile.
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The above pics are the lower inner and outer races. I dissected the inner from the roller cage. The upper outer race had only 1 scar. Yes, could it be operator error. Maybe, but I have been loading tapered bearings with grease since I was 17.