The attached pictures show what I found when I pulled the wheels for some landing gear maintenance. Not sure if the wear marks on the bearing race are referred to as fretting or brinelling, but I would like to understand what the cause is – any ideas? These marks are deep enough to be felt when running my finger over the surface. I am planning to replace them but first I want to figure out how this happened. The entire airframe has only about 2000 hours total. I’m looking for other possible damage as well. Anyone know of a source for bearing race removal/installation tools? Feedback is much appreciated.