I was concerned about the salty sand we landed on in Baja corroding my wheels, so I rinsed them off and went flying, but one trip about the pattern didn’t get the water out of my nose wheel bearing, which rusted up and made interesting noises when I set it down and rolled out, but only when above 20 mph. Fortunately I could still read the part numbers on these parts and they or rather their equivalents are readily available on Amazon.com and any auto parts store. I got the cup and cone bearing for $13.54 including tax and replaced the cup using a borrowed bearing press.
The nose wheel setup requires shimming to secure the axle to the fork while exerting just the right amount of pressure on the wheel bearing. This tension should be checked during annual inspections. While I serviced this bearing I saw that axle had rotated, destroying the foil shim washer.
The original parts were: