It is sometimes tricky to determine if the wheel bearing is worn. By doing some extreme swerving left and right while going down a preferably deserted street or parking lot you can listen to see if the suspected bearing gets quiet under hard loading. Also under hard braking the bearing should quiet.

Could it be the differential or driveshaft?

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Patrick Leber
'84 190E 2.3
'83 Porsche 944 (track car)
'84 Porsche 944 (parts car)
85.5 Porsche 944 (sled)