The strength of PLA is not enough (tested), so I used a PETG
I recommend printing horizontally.
Otherwise, the main load will be on the layers breaking, and the part will be fragile.

It may be difficult to fit into the target hole depending on the print quality, then try reducing the scale of the model slightly

Layer heigh is 0.1 for better accuracy and fitting
Infill: 100%
 
Outer diameter: 11 mm  
Hole diameter: 5 mm

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