What is the reason for the game object disappearing when it gets close to the edge of the screen in Unity?

Question

Unity

If you watch the video: https://youtu.be/K2TIe38Qarc
You can see that the object disappears before it completely disappears from the screen.
There is an assumption - that this is Occlusion culling, but I did not turn it on.
The camera itself:

I tried to twist and click what I circled in blue and red, but without success.

If there is a solution, I would appreciate any help.
If something is not clear - ask.

Answer 1

The solution was easier than I thought. It consisted in Skinned Mesh Renderer (it was necessary to enable "Update When Offscreen").