A spherical roller bearing including an outer ring providing at least one inner raceway, an inner ring providing a first and a second outer raceway, a plurality of roller elements arranged in a first and second roller row between the at least one inner raceway and the first and second outer raceway, a cage for at least one of guiding and retaining the roller elements in the first and second roller row. The cage provides a plurality of cage pockets, wherein one of the roller elements is disposed within each one of the plurality of cage pocket. The bearing further provides a specific pitch circle diameter (PCD), and the cage is over-pitched roller centered in relation to the pitch circle diameter (PCD). In addition, a bearing arrangement is disclosed.

A spherical roller bearing providing an outer ring having at least one inner raceway, an inner ring including a first and a second outer raceway, a plurality of roller elements arranged in a first and second roller row in-between the at least one inner raceway and the respective first and second outer raceway. The bearing includes a cage for retaining the roller elements in the rows. The cage provides a plurality of cage pockets where roller element is disposed in each. The cage is arranged such that; during operation, a loaded zone of the bearing is located at a radial top region of the bearing, the cage is roller centered on the axially inner ends of the roller elements, and when, during operation, a loaded zone is located at a radial bottom region of the bearing, the cage is under-pitch roller centered in relation to a pitch circle diameter (PCD).

The present disclosure regards a spherical roller bearing having, an outer ring providing at least one inner raceway, an inner ring providing a first and a second outer raceway, a plurality of roller elements arranged in a first and second roller row disposed between the at least one inner raceway and the respective first and second outer raceway, the roller elements further providing axially inner ends. Moreover, the bearing includes a cage for one of guiding and retaining the roller elements in the first and second roller row, the cage including a plurality of cage pockets, wherein one of the roller elements is disposed within each cage pocket, and wherein the cage is roller centered by the axially inner ends.

In a power-transmitting mechanism with rolling-element bearing according to the present invention, an inner ring has plural inner ring members disposed in series in an axial direction, an outer ring has plural outer ring members respectively cooperating with the plural inner ring members. Plural rolling elements are disposed between the cooperating inner ring members and outer ring members. A retainer has plural partitions retaining the plural rolling elements at predetermined intervals in the circumferential direction such that rolling elements disposed between one pair of cooperating inner ring and outer ring members and rolling elements disposed between another pair of cooperating inner ring and outer ring members orbit the corresponding inner ring members in a synchronized manner, and a connector connecting the plural partitions such that the plural partitions integrally rotate around an axis.

A spherical roller bearing having an outer ring providing at least one inner raceway, an inner ring providing a first and a second outer raceway, a plurality of roller elements arranged in a first and second roller row in-between the at least one inner raceway and the respective first and second outer raceway is provided. The bearing provides a cage for guiding the roller elements in the first and second roller row, the cage includes a plurality of cage pockets, wherein in each cage pocket one of the roller elements is disposed. The bearing further presents a specific pitch circle diameter (PCD), and the cage is essentially in-pitch roller centered in relation to the pitch circle diameter (PCD) when there is an axial force acting on the bearing. In addition, the present invention regards a bearing arrangement and a wind turbine bearing arrangement.

A method and device for fitting an angular contact roller bearing, including an inner bearing ring having an inner race arranged on the outer peripheral surface of the inner bearing ring and inclined with respect to the axis of rotation of the bearing, and a rim delimiting said race at the smallest diameter thereof, an outer bearing ring having an outer race arranged on the inner peripheral surface of the outer bearing ring and inclined with respect to the axis of rotation of the bearing, and a rim delimiting said race at the greatest diameter thereof, and also including a plurality of roller bearing elements arranged between the bearing rings and roll on the races and are held at uniform distances from one another in the circumferential direction by a bearing cage. The outer peripheral surface of the inner bearing ring and the inner peripheral surface of the outer bearing ring are in each case cylindrical and extend outside the races at least in some sections coaxially with respect to the axis of rotation of the bearing, and the races of both bearing rings are in each case integrated conically into the cylindrical peripheral surfaces, such that the rims which are produced and in each case delimit the races on one side are in each case formed in one piece with the bearing rings. The fitting of the angular contact roller bearing takes place according to an eccentric pivot fitting method the deep groove ball bearing eccentric fitting method.

A method and device for fitting an angular contact roller bearing, including an inner bearing ring having an inner race arranged on the outer peripheral surface of the inner bearing ring and inclined with respect to the axis of rotation of the bearing, and a rim delimiting said race at the smallest diameter thereof, an outer bearing ring having an outer race arranged on the inner peripheral surface of the outer bearing ring and inclined with respect to the axis of rotation of the bearing, and a rim delimiting said race at the greatest diameter thereof, and also including a plurality of roller bearing elements arranged between the bearing rings and roll on the races and are held at uniform distances from one another in the circumferential direction by a bearing cage. The outer peripheral surface of the inner bearing ring and the inner peripheral surface of the outer bearing ring are in each case cylindrical and extend outside the races at least in some sections coaxially with respect to the axis of rotation of the bearing, and the races of both bearing rings are in each case integrated conically into the cylindrical peripheral surfaces, such that the rims which are produced and in each case delimit the races on one side are in each case formed in one piece with the bearing rings. The fitting of the angular contact roller bearing takes place according to an eccentric pivot fitting method the deep groove ball bearing eccentric fitting method.

An assistance module for a power steering system of a motor vehicle, including a reducer casing in which is mounted a reducer including an output shaft provided with a pinion, the output shaft being rotatably mounted inside the reducer casing by means of at least one mechanical rolling bearing carried by a bearing provided on reducer casing between the tangent wheel and pinion, the mechanical rolling bearing having several rolling elements kept at a distance from each other by a separation cage, rolling elements and separation cage being disposed in an annular rolling bearing space formed between a coaxial internal and external ring, the assistance module includes at least one blocking element having at least one stop surface facing the annular rolling bearing space at a distance such that at least one of the stop surfaces prevents an ejection of the separation cage out of the annular rolling bearing space.

A method and device for assembly of an angular contact roller bearing, including an inner bearing ring having an inner raceway arranged on the outer peripheral surface of the inner bearing ring, at an angle to the bearing rotation axis, and a rim delimiting said raceway at the smallest diameter thereof, an outer bearing ring having an outer raceway arranged on the inner peripheral surface of the outer bearing ring, also at an angle to the bearing rotation axis, and a rim delimiting the raceway at the largest diameter thereof, and a plurality of rolling element bodies, arranged between the bearing rings and rolling on the raceways thereof held at regular distances in the circumferential direction by a bearing cage. A tangent to the outer shell surface of the inner bearing ring and a tangent to the inner shell surface of the outer bearing ring are flat at least in the region of the raceways, and extend at inverse to the bearing rotation axis, and the raceways of both bearing rings are each conically formed in the peripheral surfaces such that the rims thus produced and delimiting each of the raceways on one side are consequently each integral with the bearing rings. The bearing is assembled according to an eccentric-pivot assembly method borrowed from the eccentric assembly method known for grooved ball bearings.

Methods for producing an angular contact roller bearing with unilaterally delimiting rims are disclosed, as well as devices for assembling the angular contact roller bearing. The method may include generating an outer shell surface on an inner bearing ring, which outer shell surface is inclined in a first inclination direction relative to the bearing axis of rotation (AL) in an axial direction, generating an inner shell surface on an outer bearing ring, which inner shell surface is inclined in a second inclination direction relative to the bearing axis of rotation (AL) in an axial direction, wherein the second inclination direction is oriented oppositely to the first inclination direction, conically forming an inner raceway into the outer shell surface of the inner bearing ring such that the inner raceway is inclined relative to the bearing axis of rotation (AL) and is delimited at precisely one end by a rim, conically forming an outer raceway into the inner shell surface of the outer bearing ring, such that the outer raceway is inclined relative to the bearing axis of rotation (AL) and is delimited at precisely one end by a rim, assembling the inner and outer bearing rings and a multiplicity of roller-type rolling bodies, which roll on the raceways of said bearing rings, in accordance with an eccentric assembly method known as an assembly method for deep-groove ball bearings.