Now that is a real spindle motor the only problem the 2.2Kw motor weight is 30 kg there are a lot using these spindle motors, for machines like you have, so if the weight is not a problem then that would work well on your machine
Here is another Dmm motor being used for a spindle working better than I thought it would with cutters this big
https://www.youtube.com/watch?v=PSFcV2C455U