Does anybody have a diagram of how this goes together. I took it apart carefully and I just don't see what actually holds the new bearing in place. The nylon piece is slipped in correctly the bearing is up against is as far as it will go and the outer cap and clip are all in place . It just doesn't look to me as if anything actually holds that bearing in place ????? A picture of a parts blow up would be helpful .My book does break it down that far . Any help will be appreciated .Thanks