My mono ball strut mount has the slightest little play in up down direction. Tech inspection guys can hear a little bump when checking for wheel bearing adjustment. I've chased it down to the monoball insert. Trying to find replacement.....need to know if anyone can identify who made these. Pics of underside and hat....Click to view attachment Click to view attachment

No idea who made those but...

You should be able to take out that spanner nut, pop out the spherical and just measure the OD, ID, and width then match it to a PTFE-lined spherical out of the NHBB, Aurora, etc. catalog. I'm sure it's a readily available size.

Hey John- Those appear to be the same ones I have (Weltmeister). I'm not sure if Automotion or http://www.weltmeister.com/ can provide any info on replacement bearings but might be worth a look.

Andrew