Most of us seem to fit LN but enjoy contemplating alternatives.
More info here:
I'm Going in ALONE....LNE Retrofit bearing - Page 5 - Rennlist Discussion Forums
and just google ; IMS SKF 6204-2rsltn9/hc5c3wt
Please be sure you need a single row. The part number you gave is single row. And be sure to confirm Viton seals, not Buna.
Good Luck.