The invention relates to a machine tool for machining a workpiece (9), said machine tool (1) comprising a motor spindle (2) for driving a tool in rotation about a spindle axis (20), and said motor spindle (2) being supported by a stand (3). A rotary bearing (4) is provided on the stand (3) and the motor spindle (2) can be swivelled and positioned about a first axis of rotation (A) on the rotary bearing (4). A linear guide (21) which allows an advancing movement of the tool parallel to the spindle axis (20) is provided on the motor spindle (2).