A rolling bearing is provided which includes an inner ring; an outer ring; rolling elements disposed in the bearing space; a cage rollably retaining the rolling elements; and a seal member made of a resin. The seal member includes a support frame, a plurality of window holes, and a filter closing the window holes. Lubricating oil flows through the bearing space to lubricate the interior of the rolling bearing. The cage is made of a magnetic material, and has a pulse ring integrally formed at an end of the cage. The rolling bearing further includes a magnetic rotation sensor mounted to the seal member so as to be capable of being opposed to any of recesses and protrusions of the pulse ring.

According to one embodiment of the present disclosure, a sealing device of a wheel bearing may be disposed axially outside of rolling elements and may be mounted between an outer ring and a hub. The sealing device of the wheel bearing may comprise an outer ring slinger mounted on the outer ring, a hub slinger mounted on the hub, and a deviation-preventing protrusion which protrudes from an outer circumferential surface of the hub to hold an axial inner end of the hub slinger when the hub slinger moves inward in an axial direction. The outer circumferential surface of the hub may meet the deviation-preventing protrusion at right angles.

A bearing seal assembly includes at least one seal unit and at least one pulse wheel attached to the seal unit in an interference-fit and/or a materially bonded manner. The seal unit may include a radially outer member surrounding a radially inner member, the radially inner member may have a cylindrical seal surface and a flange projecting radially outwardly from an end of the seal surface and the radially outer member may have a metal profile element at least partially covered by an elastomer body that defines a first seal lip that directly contacts the cylindrical seal surface of the radially inner member. The pulse wheel may be attached to the radially outer member by a radially inwardly directed flange of the metal profile element overlying a radially outer edge of the pulse wheel.

A sealing device for a bearing unit having a rotatable portion, a stationary portion, at least one sealing lip mounted on the stationary portion for contacting the rotatable portion and having a predetermined thickness (S); and a screen which forms a labyrinth seal with the stationary portion and has an axial length (L1) with dimensions greater than the dimensions of the thickness (S) of the at least one lip and dimensions smaller than a non-integral multiple (M) of the thickness (S) of the at least one lip equal to 1.75.

A wheel bearing assembly for a motor vehicle. A roller bearing arranged in a wheel carrier, by which a wheel hub is rotatably mounted with respect to the wheel carrier. The wheel carrier is provided with a circumferential axial gap, and that at the rotary bearing ring of the roller bearing is formed an extension which is extending into the gap.

A wheel bearing assembly for a motor vehicle. A roller bearing arranged in a wheel carrier, by which a wheel hub is rotatably mounted with respect to the wheel carrier. The wheel carrier is provided with a circumferential axial gap, and that at the rotary bearing ring of the roller bearing is formed an extension which is extending into the gap.

A rolling bearing is provided which includes an inner ring; an outer ring; rolling elements disposed in the bearing space; a cage rollably retaining the rolling elements; and a seal member made of a resin. The seal member includes a support frame, a plurality of window holes, and a filter closing the window holes. Lubricating oil flows through the bearing space to lubricate the interior of the rolling bearing. The cage is made of a magnetic material, and has a pulse ring integrally formed at an end of the cage. The rolling bearing further includes a magnetic rotation sensor mounted to the seal member so as to be capable of being opposed to any of recesses and protrusions of the pulse ring.

Sealing device including a first annular element coupled to a first fixed mechanical member, and a second annular element coupled to a second rotating mechanical member, for protecting an annular compartment delimited between the members, the first element being provided with at least one annular sealing lip configured to interact with the second element, which has a radial edge of a flange portion arranged at an edge of a sleeve portion of the first element, thus forming with the latter a radial gap configured as a labyrinth seal; wherein the radial gap of the flange portion of the second annular element carries a plurality of depressions arranged in a crown, spaced adjacently to one another at the radial gap and configured to generate, as a result of the rotation of the second element, a dynamic effect (F) for the purpose of repelling any contaminants impelled towards said radial gap.

According to one embodiment of the present disclosure, a sealing device of a wheel bearing may be disposed axially outside of rolling elements and may be mounted between an outer ring and a hub. The sealing device of the wheel bearing may comprise an outer ring slinger mounted on the outer ring, a hub slinger mounted on the hub, and a deviation-preventing protrusion which protrudes from an outer circumferential surface of the hub to hold an axial inner end of the hub slinger when the hub slinger moves inward in an axial direction. The outer circumferential surface of the hub may meet the deviation-preventing protrusion at right angles.

A first seal and a second seal seal an annular space between an outer ring and an inner ring by sandwiching a retainer. A stator including a coil is supported by the first seal and is opposed to a magnetic ring. A sensor, a wireless communication circuit, and a power supply circuit are supported by the second seal. A wire electrically connects the coil and the power supply circuit. The wire includes a part disposed in a groove extending in an axial direction of a bearing on an outer peripheral surface of the outer ring.