Abstract: A rolling bearing comprising an outer ring, an inner ring, at least one row of rolling elements disposed radially between the rings, at least one sealing flange mounted in a manner to bear axially against a front surface of one of the rings, and a feature for fixing the sealing flange to the ring. The fixing feature at least locally covers a region of the front surface of the ring that is left free by the sealing flange and a part of the flange that is adjacent to the region. The fixing feature is annular.

Abstract: A rolling bearing comprising an outer ring, an inner ring, at least one row of rolling elements that are disposed radially between the rings, at least one seal forming a first sealing component that is fixed to one of the rings and engages with the other ring, and at least one flange forming a second sealing component that is fixed to the other ring and is offset axially with respect to the seal on the outer side of the bearing. At least one of the first and second sealing components comprises at least two annular ribs, the other sealing component being mounted axially in contact therewith. At least one closed annular space is delimited by the ribs and by the other sealing component. At least one lubricant is disposed inside the space.

Abstract: An instrumented bearing, which includes an outer race and an inner race between which a rolling chamber is delimited. Rolling bodies are disposed in the rolling chamber. The bearing additionally includes a member isolating the rolling chamber from the outside; and a measuring device including at least one sensor adapted to measure at least one operating parameter of the instrumented bearing. At least one measuring device can be mounted to the member isolating the rolling chamber from the outside.

Abstract: A rolling element bearing comprising inner and outer rings; a plurality of rolling elements disposed between opposing surfaces of the inner and outer rings; and a bearing shield comprising a first member having an annular surface facing the plurality of rolling elements, the first member either (1) extending from the inner ring towards the outer ring (defining a gap between the first member and the outer ring) and the inner ring having a low surface energy surface adjacent the gap, or (2) extending from the outer ring towards the inner ring (defining a gap between the first member and the inner ring) and the inner ring comprises a low energy surface adjacent the gap. The low energy surfaces each have a surface energy of ?0.028 N/m.

Abstract: A bearing assembly includes at least one ring arranged between first and second components, and the second component is mounted for rotation relatively to the first component. The bearing assembly includes at least one layer of expandable material disposed radially between a first ring of the at least one ring and one of the first and second components. The at least one layer of expandable material has been irreversibly expanded by heating it to a temperature above a first temperature threshold.

Abstract: A bearing assembly includes at least one ring arranged between first and second components, the second component being mounted for rotation relative to the first component. The bearing assembly includes a first layer of expandable material disposed axially between a first radial lateral surface of the at least one ring and one of the first and second components, and the first layer of expandable material has been irreversibly expanded by a heat treatment at a temperature above a first temperature threshold.

Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting tabs. Each connecting tab connects two successive pockets. At least one recess is formed in a thickness of at least one of the tabs.

Abstract: A rolling bearing comprising an inner ring, an outer ring, at least one row of rolling elements disposed between the rings, and at least one sealing subassembly mounted on one of the rings. One of the rings includes a shield extending towards the other ring. A sealing element is axially disposed between the ring and the shield, coming into friction contact against the ring.

Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting portions, each connecting portion connecting two successive pockets. At least one of the connecting portions is elastically deformable at least in a circumferential direction so as to allow the two associated pockets to move relative to one another in the circumferential direction.

Abstract: A rolling bearing comprising an inner ring, an outer ring, at least one row of rolling elements disposed between the rings and at least one sealing subassembly mounted on one of the rings. One of the rings includes a shield disposed in axial contact with the ring and extending towards the other ring. A sealing element is fixed onto the shield and coming into friction contact against the ring.

Abstract: A mechanical system comprising at least one moving component and a lubricant. The mechanical system also comprises a plurality of at least one type of microcapsule consisting of a shell, which, under the effect of a variation of a given characteristic physical parameter of the mechanical system, is capable of releasing particles. The dispersion of the particles is identifiable by a system located external to the mechanical system.

Abstract: An instrumented rolling bearing, comprising an outer ring and an inner ring having a rolling bearing chamber delimited therebetween. Rolling bodies are positioned in the rolling bearing chamber while being maintained by a rolling bearing cage. The rolling bearing further comprises a measuring device including at least one sensor suitable for measuring at least one operating parameter of the instrumented rolling bearing, the measuring device being at least partially integrated into the rolling bearing chamber bearing cage. The measuring device further comprises at least one cable or antenna that extends along the rolling bearing cage in the rolling bearing chamber. A method for manufacturing one such instrumented rolling bearing is also disclosed.

Abstract: Cage for a rolling bearing comprising a plurality of pockets (13) for a plurality of rolling elements (4), at least one pocket (13) being of ellipsoidal shape and provided with means (14) of axial retention of the cage (10) on the corresponding rolling element (4), the ellipse defining the said ellipsoidal pocket (13) being determined by a major axis (A) situated in the circumferential plane of the cage (10) and a minor axis (B) in the axial direction of the cage (10). The minor axis (B) is comprised between the major axis (A) and the diameter (D) of the rolling element (4) arranged in the said ellipsoidal pocket (13).

Abstract: A cage for a bearing for electric steering for a motor vehicle. The cage is designed to provide circumferential spacing of a row of roller elements, including an annular heel axially extended by separating portions that define cavities for the roller elements therebetween. The cavities radially extending from either side of the cage. The inner diameter of the separating portions is greater than the inner diameter of the annular heel.

Abstract: In a method for fitting a preassembled pulley subassembly (1) on a rotary machine (2), the preassembled subassembly comprising a pulley (7), a rolling bearing (8), a plate (9) and an elastic ring (23) positioned around a shoulder (9a) of the plate (9), the following steps are carried out:—the bearing (8) is mounted on a hollow shaft (10) of the rotary machine (2) and, at the same time, a hub (20) of the plate (9) is mounted on a rotary spindle (4) of the rotary machine (2), that passes through the hollow shaft (10),—the elastic ring (23) of the plate (9) is slid axially until it enters a groove (10a) in the hollow shaft (10) of the rotary machine.

Abstract: A chain or belt tensioning roller or winder device having a rolling bearing, the rolling bearing comprising an inner ring, an outer ring and at least one row of rolling elements mounted between the rings. The pulley is overmolded onto the outer ring and with a fixing screw axially immobilized with respect to the rolling bearing. The device comprises a sleeve overmolded inside the bore of the inner ring and provided with a through-bore for mounting the fixing screw. The sleeve is provided with means of axially retaining the fixing screw inside the through-bore of the sleeve.

Abstract: A rolling bearing cage provides a circumferential spacing of a row of rolling elements and comprises first pockets configured to accommodate first rolling elements of the row of rolling elements. The first pockets are provided with axial retention portions configured to retain the rolling bearing cage on the first rolling elements. Second pockets are configured to accommodate second rolling elements of the row of rolling elements and not provided with axial retention portions configured to retain the cage on the second rolling elements. Separation portions are provided which between the separation portions delimit the first and second pockets. Each of the separation portions delimiting one of the first pockets comprises a notch open in an axial direction and open in opposing radial directions.

Abstract: Rolling bearing cage (5) for an electric steering system of a motor vehicle, designed to ensure the circumferential spacing of the balls (4), comprising a plurality of first sockets (8) provided with means (8a) for axially retaining the cage (5) on a ball (4) and a plurality of second sockets (9) without means for axially retaining the cage (5) on a ball (4). Each of the first sockets (8), with a ball (4) housed in the first corresponding socket (8), has a first axial clearance, a first radial clearance and a first circumferential clearance (J1c) and each of the second sockets (9), with a ball (4) housed in the second corresponding socket (9), has a second axial clearance, a second radial clearance and a second circumferential clearance (J2c).

Abstract: A cage for a rolling bearing which cage is intended to ensure the circumferential spacing of a row of rolling elements and comprises first pockets 28 for first rolling elements of the row, which pockets are provided with axial retention means 38, 46 for the axial retention of the cage onto the said rolling elements, and second pockets 26 for the second rolling elements of the row, which pockets have no axial retention means for retaining the cage on the said rolling elements. The distribution of the first pockets 28 about the periphery of the cage is uneven.

Abstract: A method for assembling a rolling bearing by deformation of the outer ring (OR) and/or the inner ring (IR) comprising, before said step of deformation, determining the theoretical position (1?, 2?) that the two extreme rolling elements should occupy so as to allow inserting at least one supplemental rolling element (11) in said space (13), said theoretical position defining an acute application angle (?2) determining the value of forces (F1) to be applied from outside to said outer ring (OR) at three application points, one central point at said nearest or contact location of both inner an outer rings in said symmetry plane and two lateral points at an angle (2?2) equal to the double of said acute application angle with respect to said symmetry plane, verifying that the deformation of the outer ring (OR) resulting from the application of said forces remains elastic and in that case, applying said forces and inserting at least one supplemental rolling element in said space.