If you have a bearing shop in your area they can put a micrometer on it and give you a replacement. A good auto parts place, say one that has a machine shop or a good crew of parts guys can do the same. There may still be a legible number stamped on the old bearing they can cross reference.

1997 T-100 4X4 Xcab,Warn Hubs
02 Camry LE
2008 Yaris