Opening roller for an open-end spinning machine and open-end spinning machine

An opening roller for an open-end spinning device, comprising:

• a drive shaft;
• a roller body connected to the drive shaft;
• the drive shaft comprising a coupling element for connection to a driven shaft of a drive;
• and
• the coupling element comprises a form-locking element.

An open-end spinning device, comprising:

• an opening roller, the opening roller further comprising a drive shaft and a roller body connected to the drive shaft;
• a drive for the opening roller, the drive further comprising a driven shaft;
• a coupling device connecting the drive shaft of the opening roller and the driven shaft of the drive, the coupling device comprising a coupling element configured with the drive shaft of the opening roller and a coupling piece configured with the driven shaft of the drive;
• and
• wherein the coupling element and the coupling piece each comprise a complimentary form-locking element, the form-locking elements engaging one another in a circumferential direction of the opening roller.