I have three SKF 6204-2RSH/C3 bearings.
This is a complete set of bearings for the rear wheel + sprocket carrier on the BMW F650GS (twin), F700GS and F800GS motorcycles.
$30 for all three bearings.
I have two SKF 6203-2RSH/C3 bearings.
This is a complete set of bearings for the front wheel on the BMW F650GS (twin) and F700GS motorcycles.
$20 for both bearings.