The invention relates mainly to a rotary electric machine (10), notably for a motor vehicle, comprising: • - a stator (11), • - a rotor (12), • - a casing (16), • - a shaft (13), and • - at least one rolling bearing (38) mounted between said casing (16) and said shaft (13), the casing (16) comprising a reservoir (88) configured to hold a lubricant intended for lubricating said rolling bearing (38), the machine (10) comprising a cooling circuit (68) employing the lubricant designed to allow the lubricant to flow in order to cool the stator (11) and/or the rotor (12).
From the international application WO2017009546