Abstract: The spacer for rolling bearing comprises an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings. The spacer comprises two opposite faces 17 having a concave profile adapted to the rollers, at least one of said faces comprising two contact surfaces 17a, 17b with the associated roller and a concave recess 17c extending between said contact surfaces and directed outwards towards said roller.

Abstract: Rolling bearing (1) comprising an inner ring (3), an outer ring (2), at least one row of rolling elements which are arranged between raceways formed on the rings (2, 3) and a ring gear (6) that has a circumference of less than 360° and is fixed to one of the rings (2). The ring gear (6) is formed of a single gear segment (7) which has a circumference substantially equal to the circumference of the ring gear (6) and is provided on its inner or outer peripheral surface with a plurality of meshing means (7b) and fixed only to one of either the inner or outer rings (3) of the rolling bearing (1).

Abstract: Rolling bearing (1) comprising an inner ring (3), an outer ring (2), at least one row of rolling elements which are arranged between raceways made on the rings (2, 3) and an ring gear (6) fixed to one of the rings (2). The ring gear (6) is formed of at least two independent gear segments (7, 8, 9, 10, 11, 12) which are each provided on their inner or outer peripheral surface with a plurality of meshing means (7b, 8b, 9b, 10b, 11b, 12b) and fixed only to one of either the inner or outer rings (3) of the rolling bearing (1), the circumference of the ring gear (6, 20) being substantially equal to the circumference of the combination of the independent gear segments.

Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways and guiding faces provided on the rings. The spacer comprises opposite inner and outer parts 13, 14 and opposite lateral flanges 15, 16 respectively adapted to come into contact with the raceways and the guiding faces of the rings. Said inner and outer parts and/or said lateral flanges comprise at least a contact surface 14a, 14b; 16a with one of the rings and a concave recess 14c; 16b, 16c, 16d directed outwards towards said ring.

Abstract: A cage for a rolling bearing including a plurality of cage segments is provided. Each segment has a first set of pockets for a first set of rollers, and a second set of pockets for a second set of rollers. The axes of the pockets of the first set of pockets are parallel with each other and the axes of the pockets of the second set of pockets are parallel with each other.

Abstract: A spacer for a rolling bearing, most notably for use in a wind turbine is provided. The spacer is adapted for a rolling bearing having an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings. The spacer includes two opposite faces 17, 18 having a concave profile adapted to the rollers, each face comprising at least a contact surface 17a, 18a with the associated roller having the shape of a cylinder segment. The axes of the cylinder segments of the contact surfaces converge.

Abstract: A slewing bearing having two rings and rollers arranged between the rings, wherein one of the rings is provided with a through-hole for inserting the rollers for assembly and maintenance, and with a plug for closing the through-hole. The through-hole is formed as a bore including an inner portion with a smaller bore diameter and an outer portion with a larger bore diameter. The smaller diameter portion is reduced in order to facilitate the assembly, while avoiding an increased diameter in the innermost part of the thorough hole in order to secure stability and robustness.

Abstract: The invention relates to a Slewing bearing having an inner ring and an outer ring, wherein at least the inner ring or the outer ring is formed as a split ring formed by combining a first split ring and at least one second split ring, wherein each of the split rings is provided with a plurality of mating through-holes and wherein the first split ring and the second split ring are joined by bolts fitted into pairs of corresponding through-holes. It is proposed that at least one of the through-holes in the first split ring has a larger bore diameter than the corresponding through-hole in the second split ring.

Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways and guiding faces provided on the rings. The spacer comprises opposite inner and outer parts 13, 14 and opposite lateral flanges 15, 16 respectively adapted to come into contact with the raceways and the guiding faces of the rings. Said inner and outer parts and/or said lateral flanges comprise at least a contact surface 14a, 14b; 16a with one of the rings and a concave recess 14c; 16b, 16c, 16d directed outwards towards said ring.

Abstract: The rolling bearing provides an inner ring 14, an outer ring 16 and a plurality of rows of rolling elements 18, 20 each arranged between the raceways which are arranged on the rings, the number of rows of rolling elements Nrows being in excess of or equal to two. At least one of the inner and outer rings 14, 16 includes a plurality of part rings 30, 32, 34 which are mounted bearing axially against one another. The number of part rings Nrings is defined by Nrings?Nrows+1.

Abstract: A rolling bearing including an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings, each roller comprising a rolling surface in contact with said raceways and two opposite end faces. The inner and outer rings having guiding faces coming into contact with the end faces of the rollers.

Abstract: The spacer for rolling bearing comprises an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings. The spacer comprises two opposite faces 17 having a concave profile adapted to the rollers, at least one of said faces comprising two contact surfaces 17a, 17b with the associated roller and a concave recess 17c extending between said contact surfaces and directed outwards towards said roller.

Abstract: The rolling bearing provides an inner ring 14, an outer ring 16 and a plurality of rows of rolling elements 18, 20 each arranged between the raceways which are arranged on the rings, the number of rows of rolling elements Nrows being in excess of or equal to two. At least one of the inner and outer rings 14, 16 includes a plurality of part rings 30, 32, 34 which are mounted bearing axially against one another. The number of part rings Nrings is defined by Nrings?Nrows+1.

Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite first and second portions 11, 12 facing one another and at least a first lateral portion 13 extending transversally between the first and second portions and connected to the portions. The first and second portions and the first lateral portion delimit at least partly a pocket 14 laterally open on the side opposite to the lateral portion 13 and configured to receive at least a contact roller. The first and second portions each comprise an inner contact surface 11a, 12a with an end face of the roller. The spacer further comprises at least one reinforcing beam 16, 17 extending transversally between the first and second portions and connected to the portions.

Abstract: A cage for a rolling bearing including a plurality of cage segments is provided. Each segment has a first set of pockets for a first set of rollers, and a second set of pockets for a second set of rollers. The axes of the pockets of the first set of pockets are parallel with each other and the axes of the pockets of the second set of pockets are parallel with each other.

Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite first and second portions 11, 12 facing one another and at least a first lateral portion 13 extending transversally between the first and second portions and connected to the portions. The first and second portions and the first lateral portion delimit at least partly a pocket 14 laterally open on the side opposite to the lateral portion 13 and configured to receive at least a contact roller. The first and second portions each comprise an inner contact surface 11a, 12a with an end face of the roller. The spacer further comprises at least one reinforcing beam 16, 17 extending transversally between the first and second portions and connected to the portions.

Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite inner and outer portions, facing one another and a lateral portion extending transversally between the inner and outer portions and connected to said portions. The inner and outer portions delimit together with the lateral portion a pocket configured to receive a contact roller. The pocket is laterally open on the side opposite to the lateral portion.

Abstract: A roller bearing for a tunneller having an inner ring, an outer ring, two sets of rolling elements arranged between the tracks formed on the rings, the first set of rolling elements including at least one roller able to withstand axial stresses and the second set of rolling elements including an angular-contact roller that is able to withstand both radial and axial stresses, the inner and outer rings being concentric about an axis of rotation of the roller bearing. Each roller in the first set includes a first axis of revolution (Y1-Y1) inclined in relation to the axis of rotation (X-X) by a first angle (?1) of between 45° and 95° and each roller in the second set includes a second axis of revolution (Y2-Y2) inclined in relation to the axis of rotation (X-X) by a second angle (?2) of between 0° and 45°.

Abstract: The invention provides a slewing bearing having two rings and rollers arranged between the rings, wherein one of the rings is provided with a through-hole for inserting the rollers for assembly and maintenance, and with a plug for closing the through-hole. The through-hole is formed as a bore including an inner portion with a smaller bore diameter and an outer portion with a larger bore diameter. The invention provides a slewing bearing, where the smaller diameter portion can be reduced in order to facilitate the assembly, while avoiding an increased diameter in the innermost part of the thorough hole in order to secure stability and robustness.

Abstract: The roller bearing comprises an inner ring, an outer ring, at least one row of rolling elements which are arranged between the rings in order to form an axial thrust which can transmit axial forces, and a row of rolling elements arranged between the rings in order to form a radial thrust which can transmit radial forces. The inner ring comprises an annular groove which extends towards the interior from an outer surface of the ring, and forms a raceway for the rolling elements of the radial thrust.