Abstract: A bearing device includes a bearing having a first ring and a second ring configured for relative rotation, and an insulation sleeve mounted on the second ring. The insulation sleeve includes a bushing and an electrically insulating lining interposed radially between the bushing and the second ring. The insulating lining is overmolded on the second ring and the bushing, and at least one groove is provided on a surface of the bushing that faces away from the insulating liner. A resiliently deformable retainer ring is mounted in the groove such that a portion of the retainer ring projects from the groove radially beyond a surface of the bushing.

Abstract: A grounding brush assembly includes a grounding brush having a support and a plurality of conductive fibers fitted inside the support and a brush fitting plate connected with the support of the brush. The fitting plate includes a plurality of retention tongues retention of the support of the brush, a radial portion and a plurality of lugs which extend from the radial portion and which define the outer diameter of the fitting plate. At least one local deformation is formed on one of the lugs of the fitting plate and extends radially inwardly toward the interior of the grounding brush assembly.

Abstract: A grounding brush assembly includes a grounding brush provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are mounted, and a brush mounting plate which is secured to the support of the brush. The assembly further includes a spacer washer supported by the mounting plate and arranged axially on the side opposite the brush in relation to the mounting plate.

Abstract: A bearing device includes a bearing having first and second rings configured to rotate relative to each other about a central axis, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and a second radial side of the second ring. A surface of the bushing facing the second ring includes at least one groove extending circumferentially around a groove axis, at least one rib of the electrically insulating insert extends into the at least one groove, and the at least one groove axis is radially offset from the central axis.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one connecting portion connecting the radial portion to the centering portion and provided with at least one oblique part extending obliquely outwardly from the radial portion and on a side opposite to the support.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate includes at least one spacer tongue protruding from the radial portion on the side opposite the support.

Abstract: A grounding brush assembly includes a grounding brush, which is provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are mounted, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one spacer portion extending obliquely inwardly from the centering portion and on the side opposite the radial portion.

Abstract: A grounding brush assembly includes a grounding brush having a support and a plurality of conductive fibers fitted inside the support. A brush fitting plate is connected with the support of the brush and includes a plurality of retention tongues configured to retain the support of the brush, a radial portion, an annular flange extending from the radial portion and spaced radially outwardly from the retention tongues. The fitting plate also includes a plurality of through-openings, which each extend through the radial portion and through the flange, and at least one local deformation formed on the flange of the fitting plate and extending radially inwardly.

Abstract: A grounding brush assembly includes a brush and a brush mounting plate, the brush being provided with a plurality of conductive fibers and a support inside which the conductive fibers are housed, the mounting plate being secured to the support and provided with at least one radial portion extending radially outwardly with respect to the support. At least one centering portion extends at least axially from the radial portion and is spaced radially apart from and partially surrounding the support. Further, at least one orifice is formed in the centering portion, the orifice being spaced a distance apart from the proximal end of the centering portion and a distance apart from the distal end of the centering portion.

Abstract: A grounding brush assembly includes a grounding brush provided with a plurality of conductive fibers and a support inside of which the conductive fibers are fitted. A brush fitting plate is connected with the support of the brush, the fitting plate including a radial portion supported axially against the support of the brush and a plurality of retention tongues for axial retention of the support. The fitting plate also includes a plurality of axial centering portions each extending from the radial portion and spaced circumferentially apart. The centering portions are supported radially against the support of the brush, each retention tongue being located circumferentially between two successive axial centering portions.

Abstract: A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert overmolded between the bushing and the second bearing ring. The bushing is formed from two cylindrical parts that meet at a joint, and a radial thickness of the bushing in a joint zone on either side of the joint is less than a radial thickness of the cylindrical parts outside the joint zone such that a groove is formed in the bushing in the joint zone on a side of the bushing opposite the electrically insulating insert.

Abstract: A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert over-molded between and connecting the bushing and the second ring. The bushing is axially split into a first part and a second part having mutually facing front faces, and at least one of the front faces has at least one notch. The insert is over-molded onto the front faces and onto lateral walls of the at least one notch.

Abstract: A bearing system includes a bearing provided with an inner race and an outer race, and a grounding brush assembly including a brush which is offset axially outwardly with respect to the inner race of the bearing and provided with a plurality of conductive fibers and with a support inside which the conductive fibers are mounted. The grounding brush assembly further includes a brush mounting plate, which is fixed to the support of the brush and has a mounting portion arranged partly inside a groove formed in a bore of the outer race of the bearing.

Abstract: A bearing system includes a bearing provided with an inner ring and an outer ring and a grounding brush assembly. The grounding brush assembly includes a brush offset axially toward the outside relative to the inner ring of the bearing and provided with a plurality of conductive fibers and a support inside of which the conductive fibers are mounted. The grounding brush assembly also includes a brush mounting plate secured to the support of the brush and having a mounting portion with at least one retaining arranged inside a groove formed in a bore of the outer ring of the bearing.

Abstract: A bearing system including a bearing having an inner ring and an outer ring, and a grounding brush assembly including a brush axially offset outwardly relative to the inner ring of the bearing and provided with a plurality of conductive fibers and a support in which the conductive fibers are mounted. The grounding brush assembly further includes a brush mounting plate secured to the support of the brush and including a mounting portion arranged inside a groove formed in a bore of the outer ring of the bearing.

Abstract: A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert overmolded between and connecting a first cylindrical surface of the bushing and a second cylindrical surface of the second ring. A convex surface connects the first cylindrical surface of the bushing to a first front face of the bushing, and the convex surface has a first radius of curvature. The convex surface meets the first cylindrical surface at a sharp edge and the convex surface meets the first front face of the bushing at a second sharp edge.

Abstract: A bearing device includes a bearing and a bushing. The bearing has first and second rings, and the bushing has a first axial end and a second axial end and an axial length from the first axial end to the second axial end and a first radial surface and a second radial surface radially spaced from the first radial surface. An electrically insulating insert is overmolded between and connects the first radial surface of the bushing and a cylindrical surface of the second ring. The first radial surface of the bushing is curved but does not lie on a single cylinder.

Abstract: A bearing device includes a bearing having first and second rings and a bushing having a first cylindrical surface and a second cylindrical surface radially spaced from the first cylindrical surface. An electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring. The first cylindrical surface of the bushing includes a first annular band of material projecting toward the second cylindrical surface of the second ring, the first annular band has a radial surface facing the second cylindrical surface of the second ring, the first annular bandhas an axial width less than the axial width of the bushing, and the radial surface of the first annular band is curved but does not lie on a single cylinder.

Abstract: A bearing device includes a first ring and a second ring configured to rotate relative to one another and an insulating sleeve formed from a bushing and an electrically insulating lining. The lining is overmolded on the bushing and on the second ring and connects the bushing to the second ring. The radial internal or external surface of the bushing incudes at least one helicoidal groove and the lining incudes at least one fastening rib having a shape complementary to a shape of the at least one helicoidal groove that extends into the at least one helicoidal groove. The helicoidal groove extends circumferentially at least 360 degrees around the radial internal or external surface of the bushing or the radial internal surface of the bushing.

Abstract: A bearing device includes a bearing having a first ring and a second ring mounted for relative rotation and an insulating sleeve mounted on the second ring. The insulating sleeve includes a socket and an electrically insulating liner contacting the second ring. The insulating liner is rigidly secured to the second ring of the bearing and to the socket, and the socket includes at least one protrusion bearing against the insulating liner at least in the axial direction.