Electric Machine With An Improved Roller Bearing Lubrication And Associated Vehicle

Abstract: The invention concerns an electric machine (10) comprising: - a body, - a shaft (16) extending along a central axis (A-A), - a roller bearing (20) arranged between the shaft (16) and the body, - a first grease chamber (22) that is annular and delimited axially on a first side face (44) of the roller bearing (20), and - a grease injection circuit (24) for the injection of grease in the first grease chamber (22), the grease injection circuit (24) comprising an injection channel (60A) and a grease distribution ring (60B) connected to the injection channel (60A) and in fluid communication with the first grease chamber (22) via a slot (62), the grease distribution ring (60B) and the slot (62) both extending circumferentially, the slot (62) being axially narrower than the grease distribution ring (60B). Figure: Figure 2

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