Front bearing (110) of a combustion engine starter (100) equipped with a starter head (120) with an output pinion (121), for a motor vehicle, comprising at the front a transverse wail (111) provided with an opening (112) for the passage of a body (122) of the starter head (120) there through, an annular cavity (200) formed in the rear face (400) of the transverse wail (111) at the inner periphery of the latter for mounting a sealing joint (240), in which the rear face (400) of the transverse wail (111) is configured so as to form a bearing abutment for the outer ring (231) of a bearing (230), wherein this rear face (400) presents at least one hollowed-out area (300, 1300) designed to be filled with grease to form a grease supply and wherein the hollowed-out area (300, 1300) is set up at least for the most part outside the cavity (200).