Question Use one animation for opening different rotating doors (in 3D)

Edit:

Never mind. I'm stupid. I'm confusing the position for the rotation.

Original question

I just started with Unity a few days ago and I'm now trying out simple animations. I have a wall with 4 identical doors. I would like to create one animation to open a door, which I can then use on each door when needed.

The problem is that it doesn't seem possible. In order to get the pivot point on the side of the door, I would need to create an empty GameObject that will be used as the pivot point, move that to the side of the door, then make the door a child object of the pivot point. Then you simply rotate the pivot point in an animation, and the door being a child, rotates along.

Now since the pivot has it's own position in 3D space which is not equal to 0, 0, 0, I can't use that animation on the other doors.

So is what I want at all possible? If so, how should I do this?