bearing load problem

[NicoEts]

hello to all, I have a small problem with the fem analysis of a piece that presents holes where a bearing load should be applied.
as soon as I apply the load I have the following anomalous distribution.instead applying the same load to another piece, for example a piston, the load is thus displayed:

 

[volaff]

as a regulation would be welcome a presentation.

 

[g.lopedote]

Maybe it's just a visual problem. try to investigate