A rolling bearing for a blade root extending in a longitudinal direction between a proximal end and a distal end, the rolling bearing for a blade root comprising - an outer ring having an inner surface and an outer surface opposite the inner surface, the inner surface of the outer ring having an outer raceway, - an inner ring (11, 12) having an inner surface (14, 24) and an outer surface (15, 25) opposite the inner surface (14, 24), the outer surface (15, 25) of the inner ring (11, 12) having an inner raceway, - a single inner space being defined between the inner surface of the outer ring and the outer surface (15, 25) of the inner ring (11, 12), the single inner space extending between a proximal end where it is closed by a proximal sealing system between the outer ring and the inner ring (11, 12) and a distal end where it is closed by a distal sealing system between the outer ring and the inner ring (11, 12), said single inner space enclosing a lubricant, - a row of rolling elements (balls or rollers) (48, 49) having a contact surface mounted in the single inner space, rolling on the outer and inner raceways, and characterized in that at least one of the raceways and/or the contact surface of the rolling elements is (are) covered with a coating made of a chemical compound having a lamellar structure. the rolling bearing for a blade root comprising - an outer ring having an inner surface and an outer surface opposite the inner surface, the inner surface of the outer ring having an outer raceway, - an inner ring (11, 12) having an inner surface (14, 24) and an outer surface (15, 25) opposite the inner surface (14, 24), the outer surface (15, 25) of the inner ring (11, 12) having an inner raceway, - a single inner space being defined between the inner surface of the outer ring and the outer surface (15, 25) of the inner ring (11, 12), the single inner space extending between a proximal end where it is closed by a proximal sealing system between the outer ring and the inner ring (11, 12) and a distal end where it is closed by a distal sealing system between the outer ring and the inner ring (11, 12), said single inner space enclosing a lubricant, - a row of rolling elements (balls or rollers) (48, 49) having a contact surface mounted in the single inner space, rolling on the outer and inner raceways, - an outer ring having an inner surface and an outer surface opposite the inner surface, the inner surface of the outer ring having an outer raceway, - an inner ring (11, 12) having an inner surface (14, 24) and an outer surface (15, 25) opposite the inner surface (14, 24), the outer surface (15, 25) of the inner ring (11, 12) having an inner raceway, - a single inner space being defined between the inner surface of the outer ring and the outer surface (15, 25) of the inner ring (11, 12), the single inner space extending between a proximal end where it is closed by a proximal sealing system between the outer ring and the inner ring (11, 12) and a distal end where it is closed by a distal sealing system between the outer ring and the inner ring (11, 12), said single inner space enclosing a lubricant, - a row of rolling elements (balls or rollers) (48, 49) having a contact surface mounted in the single inner space, rolling on the outer and inner raceways, and characterized in that at least one of the raceways and/or the contact surface of the rolling elements is (are) covered with a coating made of a chemical compound having a lamellar structure.