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.

Abstract: A bearing device includes a bearing having a first ring and a second ring configured to rotate relative to each other about a central axis, a bushing, an electrically insulating insert overmolded between and connecting the bushing and the second ring, and a sealing device mounted on the electrically insulating insert and forming a first dynamic annular seal with the first ring. The electrically insulating insert includes a plurality of circumferentially spaced radially extending retaining hooks that hold the sealing device against a portion of the electrically insulating insert.

Abstract: A bearing device includes a bearing, a bushing and an electrically insulating insert interposed between and connecting the bushing and a ring of the bearing. The bushing has a cylindrical surface and first and second axially facing front faces at either axial end of the cylindrical surface, and a connection chamfer connects the first front face to the cylindrical surface of the bushing. The connection chamfer has a radiused portion meeting the first front face at a first sharp edge and a spherical surface extending from the radiused portion to the cylindrical surface of the bushing and meeting the cylindrical surface of the bushing at a second sharp edge. A value of a radius of the spherical surface increases in a direction toward the second front face.

Abstract: A grounding brush assembly includes a grounding brush having a plurality of conductive fibers and a support including a mounting portion housing the conductive fibers and first and second lateral flanges extending from the mounting portion and fitting axially around the conductive fibers. A mounting plate is integral with the support and is provided with at least one radial portion extending radially outwardly relative to the mounting portion of the support. The free end of the radial portion of the mounting plate at least partially defines the outer diameter of the assembly.

Abstract: An electrically conductive assembly prevents current flow through the raceways of a bearing and includes a conductive base plate having a centerline and including an annular main body with an inner and outer radial ends. One or more mounting lugs extend radially outwardly from the outer radial end of the main body and are connectable with the exterior surface of an outer member to secure the conductive assembly to the outer member at a position spaced axially from the bearing. The main body may be flat and include one or more stiffening flanges extending axially from and at least partially circumferentially about the inner perimeter of the main body and/or the outer perimeter of the main body and/or the outer perimeter of the mounting lugs. Alternatively, the main body is formed as a circular hub having a bore for receiving the conductor and each mounting lug includes two stiffening ribs.

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 the second ring and the bushing. A maximum annular width of the second ring is less than a maximum axial width of the bushing, and a first annular side surface of the second ring is located axially inward of a first annular side surface of the bushing and a second annular side surface of the second ring is located axially inward of a second annular side surface of the bushing.

Abstract: A bearing device includes a ring having a cylindrical surface and first and second axially spaced end surfaces, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and the cylindrical surface of the second ring. The bushing includes an cylindrical portion and a first annular flange extending radially from a first axial end of the cylindrical portion and a second annular flange extending radially from a second axial end of the cylindrical portion, and a portion of the ring is located axially between the first and second annular flanges. A minimum axial distance between the first annular flange and the second annular flange is greater than the maximum axial width of the ring, and the electrically insulating insert is overmolded onto the cylindrical portion and onto the first annular flange and onto the second annular flange and onto the ring.