SEW Movigear Internal Componets

SEW undoubtedly does, and can probably send you a drawing. Try an online search of the model number.

Good idea. The original poster would then discover the telephone number with which further enquiries might be made.

You might search these documents....

http://www.sew-eurodrive.com/support/index.php

I tried to get to the site but still I can't find the internal components, even if I search by spare part list. I sent them a mail but I have not got a reply yet

The architecture of the assy indicates that motor and outlet have parallel axes. It is most probable a pair of spur gears with a ratio around 2-3.

I agree with you, this implies that the motor has only one bearing at it's DE and the and the output shaft has to bearings at it's DE and NDE. So I think the rotor is directly coupled to the pinion gear shaft since it has no support at the NDE just as in the Ingersol compressor set up as in the pictures below

No! I think that for different reasons among which the need for parallelism of the two shafts under load both shafts have 2 bearings. The pinion is on the motor shaft on a cantilever end. For a good specific load distribution along gear width above condition must be respected.