Rotor arrangement (RA1, RA2) for an electric machine, which rotor arrangement (RA1, RA2) has the following features: • a rotor (RT1, RT2) with a rotational axis (DA1, DA2) which extends in an axial direction of the rotor (RT1, RT2), and with at least one first recess (AN11, AN12, AN21, AN21', AN3), extending parallel to the rotational axis (DA1, DA2), which is arranged spaced apart radially from the rotational axis (DA1, DA2) by a first radial spacing (A1, A21), • at least one first balancing element (WE1, WE21, WE3) for the compensation of an unbalance of the rotor (RT1, RT2) in the case of rotation about the rotational axis (DA1, DA2), • the at least one first balancing element (WE1, WE21, WE3) being provided in the at least one first recess (AN11, AN12, AN21, AN21', AN3), and being fastened in the at least one first recess (AN11, AN12, AN21, AN21', AN3) by means of a press fit connection between the at least one first recess (AN11, AN12, AN21, AN21', AN3) and the at least one first balancing element (WE1, WE21, WE3), • in the case of which rotor element (RA1, RA2) the at least one first recess (AN11, AN12, AN21, AN21', AN3) having a cross-sectional area (QF11, QF31), the geometry of which comprises at least two internal corners (IE11, IE12, IE13; IE31, IE32, IE33, IE34) with in each case one internal angle (IW11, IW12, IW13; IW31, IW32, IW33, IW34), the angle bisectors (WS11, WS12, WS13; WS31, WS32, WS33, WS34) of all the internal angles (IW11, IW12, IW13; IW31, IW32, IW33, IW34) intersecting at one point (P1, P3), and • the rotor (RT1, RT2) having, furthermore, at least one second recess (AN22, AN22', AN23) which extends parallel to the rotational axis (DA1, DA2) and is arranged spaced radially apart from the rotational axis (DA1, DA2) by a second radial spacing (A22, A23) which differs from the first radial spacing, for receiving and for fastening a second balancing element for the compensation of an unbalance of the rotor (RT1, RT2) in the case of rotation about the rotational axis (DA1, DA2), and having first cross-sectional shapes or cross-sectional areas which differ from the second recess. • a rotor (RT1, RT2) with a rotational axis (DA1, DA2) which extends in an axial direction of the rotor (RT1, RT2), and with at least one first recess (AN11, AN12, AN21, AN21', AN3), extending parallel to the rotational axis (DA1, DA2), which is arranged spaced apart radially from the rotational axis (DA1, DA2) by a first radial spacing (A1, A21), • at least one first balancing element (WE1, WE21, WE3) for the compensation of an unbalance of the rotor (RT1, RT2) in the case of rotation about the rotational axis (DA1, DA2), • the at least one first balancing element (WE1, WE21, WE3) being provided in the at least one first recess (AN11, AN12, AN21, AN21', AN3), and being fastened in the at least one first recess (AN11, AN12, AN21, AN21', AN3) by means of a press fit connection between the at least one first recess (AN11, AN12, AN21, AN21', AN3) and the at least one first balancing element (WE1, WE21, WE3), • in the case of which rotor element (RA1, RA2) the at least one first recess (AN11, AN12, AN21, AN21', AN3) having a cross-sectional area (QF11, QF31), the geometry of which comprises at least two internal corners (IE11, IE12, IE13; IE31, IE32, IE33, IE34) with in each case one internal angle (IW11, IW12, IW13; IW31, IW32, IW33, IW34), the angle bisectors (WS11, WS12, WS13; WS31, WS32, WS33, WS34) of all the internal angles (IW11, IW12, IW13; IW31, IW32, IW33, IW34) intersecting at one point (P1, P3), and • the rotor (RT1, RT2) having, furthermore, at least one second recess (AN22, AN22', AN23) which extends parallel to the rotational axis (DA1, DA2) and is arranged spaced radially apart from the rotational axis (DA1, DA2) by a second radial spacing (A22, A23) which differs from the first radial spacing, for receiving and for fastening a second balancing element for the compensation of an unbalance of the rotor (RT1, RT2) in the case of rotation about the rotational axis (DA1, DA2), and having first cross-sectional shapes or cross-sectional areas which differ from the second recess.