When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The more I look at the pic the more I'm convinced it's all there, I think the bearings have just got stuck to the adjuster nut and crown race over the years in the box and would pop apart quite easily with a thin screw driver and not a lot of force.