Cat e70b swing bearing

Hey!!

I got an early 90's e70b. The swing bearings got a little play, i.e. sideways movement between upperstructure and undercarriage.

It is a Japanese model, gray market machine or whatever, hence importer doesn't know jack about it

Therefore i'm looking at Chinese part suppliers and they seem eager to give a hand. However they are asking for a parts number or schematics. Neither of which i have. I do have a parts number for a European made model from the importer, but im really not...

Cat e70b swing bearing

Cat e70b swing bearing