Having worked for a leading brand bearing manufacturer, I know fake bearing are a real problem, both for the manufacturers and their customers.
And yes, the main brands have manufacturing plants in Asia as well where they produce the same quality products as in Europe and North America.
Some of the distrubutors do not know they sell fakes, they have been conned too.
E.g. how to identify counterfeit SKF Bearings:
https://www.thecounterfeitreport.com...-Bearings.html
Next to fakes, another issue to watch for when buying bearing is that they do have a shelf life:
https://www.bearingtips.com/shelf-li...gs-lubricants/