Originally Posted by
HillRider
The .pdf you link to is interesting in its own right. The drawing shows part No. 4 as "13 pieces" while the parts list No. 4 says "Steel Ball (3/16") 20 pieces" I wonder which is correct.
Part number Y00091210 on that tech doc is a bag of 20 bearings, the number of bearings in a bag doesn't always match the required amount shown on the tech docs.
Example:
https://www.paul-lange.de/support/sh...-MX80-3390.pdf
If the hub drawing is correct it would need 24 bearings.