>>1997093hm yeah looks like it is 11 balls. not sure why they just barely fit.
https://si.shimano.com/en/pdfs/ev/HB-M6000-4193/EV-HB-M6000-4193.pdfyou can search for the manual on the shimano website
>>1997094I dont really know but my understanding is that they spread out like how they are in a caged bearing. maybe to prevent them from rubbing against each other not sure. but yeah I guess there doesn't always have to be a gap