I looked these numbers up on the SKF website.

412920 CAR QUEST................ 22532 412920 NATL D AUTO SEAL.... 22532 412920 TIMKEN SEALS........... 22532 412920 CAR QUEST................ 22558 412920 NATL D AUTO SEAL.... 22558 412920 TIMKEN SEALS........... 22558

452920 NATL D AUTO SEAL.... 22558 452920 TIMKEN SEALS........... 22558

482920 NATL D AUTO SEAL.... 22558 482920 TIMKEN SEALS........... 22558

As Steve suggested, I am off to the local parts store to pick up a jack, jack stands, and grease. Just doing my part to keep the economy running!

Life is good!

Denis