almost all bearing numbers are standardized size wise
most companies use the SKF coding system for seals too
any bearing supplier can find what you want.....
the internet is NOT the place to buy bearings....
there is an International Bearing Manufacturers Association trying to stop counterfeit bearings....i wonder who the counterfeiters are????
its the Chinese
i get mine from Charlie.....we've been friends for 30 years......
he supplies all the off road teams, he was a trials bike importer and rider