....
Fafnir GN 107 KRRB and SKF YAR 207-107 both have a 3.14 OD, but
different shaft locking arrangements, and perhaps different seals.

Some mfrs call them adapter bearings or wide inner ring bearings.

Are these two bearings for 1 7/16 shaft? By chance do you have an
online link to a drawing of them?