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.

Abstract: A rolling bearing ring unit includes a bearing outer ring having a raceway and an electrically insulating element fixed to the bearing ring. A first imaginary half-plane extends from the central axis of the bearing ring, and a second imaginary half-plane extends from the central axis and is angularly spaced from the first half-plane. The insulating element is formed such that a distance of any point on a section of the insulating element, which is located between the two half-planes, from the central axis is greater than half of a maximum diameter of the raceway. The bearing ring may be an inner ring with the insulating layer fixed to the inner ring and formed such that a radial distance between the raceway of the inner ring and the central axis is greater than a maximum radius of any point on a section of the insulating element about the central axis.

Abstract: A bearing assembly includes at least one bearing ring and a brush assembly. The brush assembly includes a flange and at least one brush fixed to the flange. The at least one bearing ring has a recess and the flange is fixed to the recess of the at least one bearing ring of the bearing assembly to attach the brush assembly with the bearing ring.

Abstract: A bearing assembly has at least one brush assembly, which includes a first part fixed to a bearing ring of the bearing assembly, a second part fixed to the first part, and a conductive brush fixed to the second part. The first part abuts against a first, face side of the second part and also buts a second, opposing side of the second part.

Abstract: A bearing system includes a bearing and a grounding brush assembly fixed to the outer ring of the bearing. The grounding brush assembly includes a brush offset axially outwardly with respect to the inner ring of the bearing and provided with a plurality of conductive fibers and a support for the conductive fibers. The conductive fibers include a first group of fibers, the free ends of which define the inside diameter of the brush, and a second group of fibers, the radial length of each one of the second group of fibers being reduced and the free ends of which are offset radially outwardly with respect to the bore of the inner ring of the bearing.

Abstract: A grounding brush assembly includes a grounding brush and a mounting plate for the brush, the brush being provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are housed. The mounting plate is secured to the support and is provided with a radially extending main body, retaining tongues for axially and radially holding the support, and with an axially extending centering portion. The mounting plate further includes at least one flange extending radially inwardly from a distal end of the axial portion.

Abstract: A grounding brush assembly includes a grounding brush and a mounting plate for the brush, the brush being provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are housed. The mounting plate is secured to the support and is provided with a radially extending main body having an axially extending centering portion and retaining tongues for axially holding the support. The assembly also includes bearing portions, formed as radial deformations of the centering portion, in order to axially hold the support.

Abstract: A grounding brush assembly includes a grounding brush and a mounting plate for the brush, the brush being provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are housed. The mounting plate is secured to the support and is provided with a radially extending main body, with retaining tongues for axially and radially holding the support, and with an axially extending centering portion. The mounting plate includes at least one bearing portion in radial abutment against the brush support and providing a bearing surface for a tool for inserting the assembly within a housing.

Abstract: A bearing device includes a bearing having first and second rings, a bushing having first and second annular parts each having an axially extending cylindrical portion and radially inwardly extending annular collar and an electrically insulating lining overmolded between and connecting the first and second parts of the bushing and the second ring. The radial collar of the first part of the bushing extends radially beyond a surface of the second ring and includes a plurality of circumferentially spaced through-holes. The insulating lining includes a plurality of blind holes, each extending axially inward from one of the through-holes, and bottoms of the blind holes are axially spaced from the second ring.

Abstract: A bearing device includes a bearing having first and second rings, a bushing and an electrically insulating insert overmolded between and connecting the bushing and the second ring. A key is mounted in aligned slots of the bushing, the insert and the second ring to lock them against relative rotation. The key includes a retaining pin, at least one circumferentially extending support member connected to the retaining pin, and at least one radial bead on the circumferentially extending support member projecting into a radially facing groove to form an interference fit and hold the retaining pin in the slots of the bushing, insulating insert and the second ring.

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 and a brush mounting plate, the brush being provided with a plurality of conductive fibers and a support in which the conductive fibers are housed. The mounting plate is secured to the support and includes a radial portion extending radially outwardly with respect to the support and an axial portion extending axially from the radial portion so as to be spaced radially outwardly from and at least partly radially surrounding the support. The mounting plate also includes at least one collar extending radially outwardly from the distal end of the axial portion.

Abstract: A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and the second ring. The electrically insulating insert has a first axial end and a second axial end axially spaced from the first axial end, and a first sealing device is secured in a first annular fitting groove of the electrically insulating insert so that it forms a first dynamic annular seal with the first ring.