ROTATING ELECTRIC MACHINE, SET OF IRON CORE OF STATOR AND IRON CORE OF ROTOR, METHOD FOR MANUFACTURING ROTATING ELECTRIC MACHINE, METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET FOR STATOR AND NON-ORIENTED ELECTRICAL STEEL SHEET FOR ROTOR, METHOD FOR MANUFACTURING STATOR AND ROTOR, AND SET OF NON-ORIENTED ELECTRICAL STEEL SHEETS

The rotating electrical machine includes a stator, a rotor, and a casing that accommodates the stator and the rotor, in which at least one of the following conditions 1 and 2 is satisfied.Condition 1: a thermal conductivity A of a non-oriented electrical steel sheet that is used for a core of the stator is in a range of 12 to 35 W/(m- K), a thermal conductivity B of a non-oriented electrical steel sheet that is used for a core of the rotor is in a range of 10 to 33 Wf(m-K), and both the thermal conductivities have a relationship of an expression (1) of A > BCondition 2: a thermal diffusivity A1 of the non-oriented electrical steel sheet that is used for the core of the stator is in a range of 3.0 × 10-6 to 9.0 × 10-6 m2/sW/(m·K), a thermal diffusivity B1 of the non-oriented electrical steel sheet that is used for the core of the rotor is in a range of 2.5 × 10-6 to 8.5 × 10-6 m2/sW/(m·K), and both the thermal diffusivities have a relationship of an expression (3) of A1 > B1