Device for receiving at least one sealing ring in a rolling bearing, rolling bearing and method for producing a device

Abstract

The invention relates to a device for receiving at least one sealing ring (50a, 50b, 50c) in a rolling bearing, wherein the device comprises an annular base body (10) having at least one build-up welded layer (20) of stainless material, wherein at least one groove (40a, 40b, 40c) for receiving the sealing ring (50a, 50b, 50c) is formed in the layer (20), said groove extending along an entire inner circumference and / or outer circumference of the base body (10).

Description

[0001] Device for receiving at least one sealing ring in a rolling bearing, rolling bearing and method for manufacturing a device

[0002] Description

[0003] The invention relates to a device for receiving at least one sealing ring in a rolling bearing, a rolling bearing with such a device and a sealing ring, and a method for manufacturing such a device.

[0004] German patent application DE 10 2017 115 803 discloses a method for manufacturing a metal component consisting of two component sections made of different metal materials, one of which is a high-temperature alloy. A layer of at least heat-resistant steel, forming the second component section, is applied to a carrier made of a high-temperature alloy by weld overlay. A rolling track for rolling elements is formed on this layer. The arrangement of seals or sealing rings is not addressed in this patent application.

[0005] In rolling bearings, sealing rings are typically arranged in a sealing groove to fix them axially. Such a sealing groove can be formed, for example, in a bearing ring or in a separate seal carrier ring, also called a seal housing ring.

[0006] German patent application DE 10 2020 134 674 A1 describes a bearing comprising a first ring and a second ring, which are capable of rotating concentrically with respect to each other, and at least one seal provided with at least one sealing lip. The bearing further comprises a sealing module having a carrier that is reversibly attached to the first ring, the seal being mounted radially in contact with the carrier, and a friction ring that is reversibly attached to the second ring, the sealing lip of which is provided with 210848P00DE 2

[0007] comes into contact with the friction ring, and at least one spacer element is inserted axially between the friction ring and the second ring.

[0008] Certain applications, such as in offshore environments, require sealing grooves with high corrosion resistance. Typically, such sealing grooves are made of non-corrosive material, especially stainless steel. Since the production of such non-corrosive materials is complex, separate sealing carrier rings made of non-corrosive material are usually used. This means that only the sealing carrier ring, and not the entire bearing ring, needs to be made of non-corrosive material. Nevertheless, the production of such sealing carrier rings remains relatively complex due to the required quantity of non-corrosive material.

[0009] It is therefore an object of the present invention to provide a device that enables the corrosion-resistant mounting of at least one sealing ring in a rolling bearing with reduced manufacturing effort. A further object of the present invention is to provide a rolling bearing with such a device and a sealing ring, as well as a method for manufacturing such a device.

[0010] This problem is solved according to the invention by a device according to claim 1. With regard to the rolling bearing, the problem is solved by the subject matter of claim 9 and with regard to the method by the subject matter of claim 10.

[0011] Specifically, the object of the invention is achieved by a device for receiving at least one sealing ring in a rolling bearing, wherein the device comprises an annular base body with at least one welded layer of stainless material, wherein at least one groove for receiving the sealing ring is formed in the layer, which extends along an entire inner circumference and / or outer circumference of the base body.

[0012] The invention is therefore based on the idea of ​​coating the base body, for example a bearing ring or a sealing carrier ring, with a stainless material by weld overlay, instead of manufacturing it from stainless material as is currently customary. A layer is applied to the base body.

[0013] A corrosion-resistant coating is applied. The required corrosion resistance of the rolling bearing is thus at least partially met by this coating. This reduces the corrosion resistance requirement of the base body, and in particular of the coated parts or areas of the base body. The base body can therefore be made, at least partially, from materials with lower corrosion resistance that are easier to manufacture, thus reducing production costs.

[0014] The welded layer is arranged on the base body such that the groove is formed within the layer. Since the groove runs along the inner and / or outer circumference of the base body, i.e., is formed on a radial inner and / or outer surface of the base body, the layer is at least partially formed on the inner and / or outer circumference of the base body. The layer may also be arranged at other locations on the base body.

[0015] The groove is formed within the coating. In other words, at least certain parts of the groove are formed by the coating, i.e., by the stainless steel weld overlay material of the coating. The required corrosion resistance of the groove is thus at least partially achieved by the coating, thereby reducing the corrosion resistance requirement of the base material.

[0016] The groove serves to receive a sealing ring. It is therefore designed to meet the typically high requirements for the surface finish of sealing grooves. Specifically, it preferably has a particularly smooth surface that is essentially free of air inclusions, cracks, protrusions, etc.

[0017] The groove extends along the entire inner and / or outer circumference of the base body. In other words, the groove is fully formed on a radial inner and / or outer surface of the base body. It thus forms a receiving space for the sealing ring, which is open at least on the radial inner and / or outer surface to allow the sealing ring to be inserted.

[0018] The sealing ring is arranged in the groove in the assembled state and thus coaxially with the inner and / or outer circumference of the base body. Preferably 210848P00DE 4

[0019] In the assembled state, the sealing ring is arranged in the groove in such a way that it protrudes radially inwards from the base body on a radial inside side and / or radially outwards from the base body on a radial outside side in order to interact sealingly with a counter body, for example an inner bearing ring.

[0020] During operation, the base body and the counter body can move relative to each other, in particular rotate. The groove preferably fixes the sealing ring relative to the base body, so that the sealing ring moves along with the base body relative to the counter body during operation and slides along the counter body, sealing it. This ensures that the rolling bearing is completely sealed by the sealing ring.

[0021] The layer is formed from a weldable, stainless steel material. Preferably, it is made of a nickel-based stainless alloy. In particular, the layer can comprise nickel as the main component, chromium as a minor component, and iron, molybdenum, niobium, cobalt, manganese, copper, aluminum, titanium, silicon, carbon, sulfur, phosphorus, and / or boron as additive components. Other weldable, stainless steel materials are also possible.

[0022] The base body is preferably made of a metallic material, in particular steel. Other materials are possible.

[0023] In the context of this invention, a non-rusting material is understood to be a material with high corrosion resistance and preferably high acid resistance. This could be, for example, stainless steel, such as a high-corrosion-resistant stainless steel, or a nickel-based non-rusting alloy. Other non-rusting materials are not possible. A non-rusting, weldable material, in addition to its non-rusting properties, is also suitable for weld overlay. The non-rusting material can also be described as non-corrosive, corrosion-resistant, or rust-free.

[0024] The basic body is ring-shaped, meaning it has a ring-shaped basic form. A ring-shaped basic form is understood to be a shape with at least one inner circumference and one outer circumference, each with a radial inner surface and 210848P00DE 5

[0025] The radial outer surface of the base body is defined. The inner and outer circumferences can have essentially any closed geometry, preferably circular. In particular, the annular base body can have a rotationally symmetrical shape. Other geometries are possible.

[0026] The device is designed to accommodate at least one sealing ring. The device can therefore accommodate one sealing ring as well as several, for example, two, three, or four, sealing rings. Preferably, each sealing ring is held in its own groove, so that the number of grooves is at least as high as the number of sealing rings to be accommodated. The device can also accommodate fewer sealing rings than it has grooves. It is also possible, in principle, for several sealing rings to be arranged in one groove. Regardless of the number of grooves and sealing rings, at least one groove is formed in the layer. Preferably, several, and in particular all, grooves are formed in the layer, provided the device has multiple grooves.

[0027] The device according to the invention serves to receive, i.e., to support or hold, at least one sealing ring in a rolling bearing. In this respect, the device could also be described as a support device for a sealing ring. Specifically, the device is designed for use in large rolling bearings. These large rolling bearings are preferably those used in locations with high corrosion resistance requirements, for example, offshore. Such large rolling bearings may, for example, have multi-layer rolling surfaces. The device can also be used in other large rolling bearings as well as in rolling bearings of all types in general. The concept according to the invention can generally be used in connection with receiving sealing rings.

[0028] Preferred embodiments of the invention are given in the dependent claims.

[0029] In a preferred embodiment of the invention, the layer is formed along the entire inner and / or outer circumference of the base body. The layer thus acts as a corrosion-resistant layer over the entire inner and / or outer circumference, so that the requirements for the 210848P00DE 6

[0030] The corrosion resistance of the base body will decrease further. Therefore, the base body can contain less stainless material. This further reduces manufacturing costs.

[0031] In a further preferred embodiment of the invention, the layer has a thickness greater than the depth of the groove. Preferably, the layer is thus made thick, particularly on the radial inner and / or outer surface of the base body, to such an extent that the groove can be completely located within the layer. This has the advantage that the groove can be formed over its entire depth by removing a portion of the layer within the layer itself. Subsequent coating of groove areas that were formed in the base body rather than within the layer due to an excessively thin layer is therefore unnecessary. This further reduces manufacturing costs.

[0032] Preferably, the groove has two side walls and a groove base that connects the side walls. The side walls and the groove base thus define the receiving space for the sealing ring. In particular, the groove can have a cross-sectional geometry resembling a U-profile. The side walls can be angled towards the groove base, as is the case, for example, with a rectangular U-profile, or transition into the groove base essentially without kinks, as is the case, for example, with a round U-profile. Likewise, the side walls and / or the groove base can be essentially straight, curved, or angled. Other geometries for the side walls and the groove base are possible.

[0033] In a preferred embodiment, the layer forms a first side wall and / or the groove bottom, particularly completely. In other words, in this embodiment, the first side wall and / or the groove bottom are formed from the layer, i.e., from the stainless steel overlay material of the layer. This allows the required proportion of stainless steel in the base body to be further reduced. It is particularly advantageous if the layer forms both the first side wall and the groove bottom, particularly completely.

[0034] To further reduce the required proportion of stainless material in the base body, the layer preferably also forms a second 210848P00DE 7

[0035] Side wall of the groove. This means that at least both side walls, and preferably also the groove bottom, are formed by the layer, in particular completely.

[0036] Alternatively, the second side wall can also be formed by a ring element made of non-corrosive material, in particular stainless steel, which is detachably connected or detachably connectable to the base body. This has the additional advantage that the sealing ring can be easily replaced by separating the ring element from the base body. Since the ring element is detachably connected or connectable to the base body in the assembled state, for example by means of a screw connection, the ring element can be easily removed, for example to replace the sealing ring in the event of damage. This significantly simplifies the maintenance and repair of the device or the rolling bearing. In addition to the second side wall, the ring element can also form other parts of the groove, for example the groove bottom, in particular completely.

[0037] For minimal manufacturing effort, the following preferred embodiments are advantageous. On the one hand, the layer can completely form both side walls and the groove bottom, so that the entire groove is formed from the stainless steel overlay material of the layer. On the other hand, the layer can completely form only the first side wall and the groove bottom, while the second side wall is completely formed by the ring element, so that the entire groove is formed from the stainless steel overlay material of the layer and the ring element. In both cases, the groove is formed essentially entirely by the layer and / or the ring element, so that the base body essentially does not need to perform any corrosion protection function. It can therefore be manufactured entirely from a less corrosion-resistant, in particular non-corrosion-resistant, material. This reduces the manufacturing effort to a minimum.

[0038] In a further preferred embodiment, the layer is arranged in a recess of the base body. The base body thus has a recess, preferably a radial recess, in the area of ​​the layer, which accommodates the layer, thereby reducing the overall size of the device, particularly in the radial direction. Preferably, the groove is arranged, particularly completely, within the recess. Most preferably, the recess has a depth that corresponds to or exceeds the thickness of the layer in the area of ​​the groove.

[0039] This means that the device does not need to be enlarged, particularly in the radial direction, in order to mount the base body together with the layer in the rolling bearing.

[0040] The base body is preferably an outer bearing ring, an inner bearing ring or a sealing carrier ring of the rolling bearing.

[0041] A subordinate aspect of the invention relates to a rolling bearing with a device according to one of the preceding claims and a sealing ring arranged in the groove.

[0042] For the effect and advantages of the rolling bearing according to the invention, reference is made to the explanations in connection with the device. The device is thus disclosed and claimed both as part of the rolling bearing and on its own, i.e., independently of the rolling bearing.

[0043] A further subordinate aspect of the invention relates to a method for manufacturing a previously described device. The method comprises the following steps: providing the base body; applying the layer to the base body by weld overlay; and removing a portion of the layer to form the groove in the layer.

[0044] In particular, the layer can be applied by welding it onto the radial inner and / or outer surface of the base body to a thickness greater than the depth of the groove. This makes it possible to remove the layer in such a way that the groove is formed completely within the layer, at least over its entire depth and, in particular, also over its entire width. Preferably, the groove formed by removing the layer is already completely corrosion-resistant, so that subsequent coating of groove areas that were formed in the base body rather than within the layer due to an excessively thin layer is unnecessary. The method can include further steps for processing the groove surface, for example, those required to meet the typically high surface quality requirements of sealing grooves. 210848P00DE 9

[0045] For further effects and advantages of the method according to the invention, reference is made to the explanations relating to the device and the rolling bearing.

[0046] The invention is explained in more detail below with reference to exemplary embodiments and the accompanying schematic drawings. These show:

[0047] Fig. 1 shows a sectional view of a sealing carrier according to the prior art;

[0048] Fig. 2 shows a sectional view of a device according to an embodiment of the invention;

[0049] Fig. 3 shows a sectional view of a device according to a further embodiment of the invention; and

[0050] Fig. 4 shows a sectional view of a device according to a further embodiment of the invention;

[0051] The accompanying figures each show a longitudinal section through a rolling bearing, i.e., a section along an axis of rotation of the rolling bearing (not shown), which is located on the left side outside the areas shown in the figures. The rolling bearing is a large-diameter bearing and is designed for use in locations with high corrosion resistance requirements, for example, in offshore environments. The rolling bearing shown could also be a different type of rolling bearing and be used in other applications.

[0052] The figures show a sealing area of ​​the rolling bearing with an outer bearing ring 110, an inner bearing ring 120, and three sealing rings 50a, 50b, 50c arranged between the outer bearing ring 110 and the inner bearing ring 120. The sealing rings 50a, 50b, 50c are spaced apart from each other in the axial direction, i.e., in the direction of the axis of rotation. The sealing rings 50a, 50b, 50c thus form three sealing planes arranged parallel to each other. A first sealing ring 50a is located axially inside, i.e., on a side of the sealing area facing the rolling bearing, a third sealing ring 50c is located axially outside, and a second sealing ring 50b is located between them.

[0053] The first sealing ring 50a and the second sealing ring 50b have essentially the same shape. The third sealing ring 50c, however, is narrower than the first sealing ring 50a and the second sealing ring 50b. The sealing rings 50a, 50b, 50c are each arranged in their own groove 40a, 40b, 40c. Thus, the first sealing ring 50a is arranged in a first groove 40a, the second seal 50b in a second groove 40b, and the third sealing ring 50c in a third groove 40c.

[0054] The outer bearing ring 110 and the inner bearing ring 120 are arranged coaxially and are designed to rotate relative to each other about the axis of rotation. During operation, the sealing rings 50a, 50b, 50c, arranged in the respective grooves 40a, 40b, 40c, rotate together with the outer bearing ring 110 and thereby seal against a counter-layer 122 of the inner bearing ring 120, which acts as a sealing sliding surface for the sealing rings 50a, 50b, 50c. Specifically, the sealing rings 50a, 50b, 50c each have a sealing tongue that projects radially inwards and seals against the counter-layer 122. The first sealing ring 50a and the second sealing ring 50b interact with a radial outer surface 121 of the counter layer, while the third sealing ring 50c interacts with an axial outer surface 123 of the counter layer. The three sealing levels thus completely seal the rolling bearing.

[0055] Fig. 1 shows a sectional view of a sealing carrier ring 100 according to the prior art.

[0056] The sealing carrier ring 100 is connected to the outer bearing ring 110 by means of connecting means 102. On a radial inner surface 101 of the sealing carrier ring 100, three grooves 40a, 40b, 40c are formed, in each of which one of the three sealing rings 50a, 50c, 50c is arranged.

[0057] To protect the sealing area from corrosion, the entire sealing carrier ring 100 is made of a non-corrosive material, in particular stainless steel, while the counter layer 122 is welded on from a non-corrosive material, in particular a nickel-based stainless alloy. 210848P00DE 11

[0058] The production of such stainless sealing carrier rings 100 is associated with a high level of effort due to the required amount of stainless material.

[0059] Figures 2 to 4 each show an embodiment of a device according to the invention with an annular base body 10.

[0060] The annular base body 10 has at least one inner circumference and at least one outer circumference. The inner and outer circumferences are essentially circular. Specifically, the base body 10 is rotationally symmetric. Other geometries of the base body 10 are possible. Figures 2 to 4 show the inner circumference of the base body 10, which is formed by a radial inner surface 11 of the base body 10.

[0061] The annular base body 10 can be a sealing carrier ring 100 connected to the outer bearing ring 110 (Fig. 2). The annular base body 10 can also be the outer bearing ring 110 (Figs. 3 and 4). The annular base body 10 can also be—although not shown in the accompanying figures—the inner bearing ring 120 or a sealing carrier ring connected to the inner bearing ring 120. The annular base body 10 is not limited to these embodiments. It can also form other components or elements of a rolling bearing.

[0062] The base body 10 is provided with a welded-on layer 20 made of a stainless material. The layer 20 is thus applied to the base body 10 by means of a welded-on coating of a stainless material. Specifically, the layer is formed from a nickel-based stainless alloy. This makes the layer corrosion-resistant.

[0063] Layer 20 is formed at least partially on the radial inner surface 11 of the base body 10. Specifically, layer 20 extends along the entire inner circumference of the base body 10.

[0064] In layer 20, at least one of the grooves 40a, 40b, 40c is formed. Specifically, depending on the embodiment, layer 20 contains either all three grooves 40a, 40b, 40c (Figs. 2 and 3) or only the first groove 40a and the second groove 40b (Fig. 4). 210848P00DE 12

[0065] The grooves 40a, 40b, 40c are formed on the radial inner surface 11 of the base body 10 and each extend along the entire inner circumference of the base body 10. Specifically, the grooves 40a, 40b, 40c each have two side walls 41 and a groove base 42 that connects the side walls 41 (in Fig.

[0066] Figures 2 to 4 are shown as examples only for the second groove 40b). The side walls 41 and the groove base 42 each define a receiving space for the respective sealing ring 50. Specifically, the grooves 40a, 40b, and 40c each have a cross-sectional geometry resembling a rectangular U-profile. The side walls 41 are therefore essentially perpendicular to the groove base 42. Other geometries for the grooves 40a, 40b, and 40c are possible.

[0067] In each of the grooves 40a, 40b, 40c, one of the sealing rings 50a, 50b, 50c is arranged coaxially to the inner circumference of the base body 10. The sealing rings 50a, 50b, 50c, specifically the sealing tongues of the sealing rings 50a, 50b, 50c, each project radially inwards from the base body 10 and extend to the counter-surface 122 of the inner bearing ring 120, which acts as the counter-surface of the base body 10. During operation, the sealing rings 50a, 50b, 50c interact with the counter-surface 122 in a sealing manner, so that the rolling bearing is completely sealed.

[0068] Since at least one of the grooves 40a, 40b, 40c is formed in layer 20, at least certain parts of this groove are formed by layer 20, i.e., from the stainless steel welded material of layer 20. The required corrosion resistance of the sealing area, in particular the groove, is thus achieved at least partially by layer 20. For this reason, it is possible to form the base body 10 at least partially from materials with lower corrosion resistance, which are easier to manufacture than stainless steel. This significantly reduces the manufacturing effort of the device according to the invention compared to the sealing carrier ring 100 known from the prior art, as shown in Fig. 1, which is made entirely of stainless steel.

[0069] Specifically, in the embodiments shown in Figures 2 to 4, all three grooves 40a, 40b, 40c are formed completely by layer 20 and / or a ring element 30 detachably connected to the base body 10, made of a stainless material. Thus, the base body 10 essentially fulfills no corrosion protection function. Therefore, the base body 10 can be made entirely of a less

[0070] The base body 10 is therefore made of a non-corrosion-resistant, or in particular non-corrosion-resistant, material. Specifically, it is made of a non-corrosion-resistant metallic material, namely non-corrosion-resistant steel, although other non-corrosion-resistant materials are also possible. Compared to the sealing carrier ring 100 made entirely of stainless steel according to Fig. 1, the devices according to Figs. 2 to 4 can thus be manufactured with particularly little effort.

[0071] The welded layer 20 has a thickness greater than the depth of the grooves 40a, 40b, 40c. The layer 20 is therefore welded onto the radial inner surface 11 of the base body 10 with such a thickness that the grooves 40a, 40b, 40c can be completely located within the layer 20. This allows the grooves 40a, 40b, 40c to be formed over their entire depth by removing a portion of the layer 20. The thickness of the layer 20 thus refers to the layer thickness, i.e., the distance between a radial inner surface and a radial outer surface of the layer 20, before the removal of the portion of the layer 20. Before removal, the thickness of the layer 20 is essentially constant.

[0072] In the embodiments shown in Figures 2 to 4, the layer 20 is arranged in a recess 12 of the base body 10. Specifically, the base body 10 has a radial recess 12 that accommodates the layer 20. The recess 12 has a depth that essentially corresponds to the thickness of the layer 20, so that the layer 20 is completely recessed in the radial direction within the base body 10.

[0073] The features described above in connection with Figures 2 to 4 apply to all embodiments of the present invention. The differences between the individual embodiments are described below.

[0074] In the embodiment shown in Fig. 2, the base body 10 is a sealing carrier ring 100. The sealing carrier ring 100 is arranged in a recess of the outer bearing ring 110 and has a connecting element 102 that axially connects the sealing carrier ring 100 to the outer bearing ring 110. The connecting element 102 comprises a screw that extends axially through the sealing carrier ring 100 and engages in a mating thread of the outer bearing ring 110.

[0075] The bearing ring 110 is screwed in. This means that the sealing carrier ring 100 is detachably connected to the outer bearing ring 110.

[0076] Layer 20 is formed on a radial inner surface 101 of the sealing carrier ring 100. All three grooves 40a, 40b, 40c are fully formed in layer 20. The side walls 41 and the bottom 42 of each of the three grooves 40a, 40b, 40c are therefore formed entirely from the stainless material of layer 20.

[0077] In Fig. 3, the base body 10 corresponds to the outer bearing ring 110. The layer 20 is thus arranged on a radial inner surface 111 of the outer bearing ring 110. In this embodiment as well, all three grooves 40a, 40b, 40c are formed entirely from the stainless material of layer 20.

[0078] In the embodiment shown in Fig. 4, the base body 10 corresponds, similarly to Fig. 3, to the outer bearing ring 110. The layer 20 is thus also arranged on a radial inner surface 111 of the outer bearing ring 110. In contrast to Fig. 3, in the embodiment shown in Fig. 4, not all three grooves 40a, 40b, 40c are formed by the layer 20. Rather, the layer 20 forms only the first groove 40a completely and the second groove 40b partially. Specifically, both side walls 41 and the groove bottom 42 of the first groove 40a, as well as a first side wall 41 and the groove bottom 42 of the second groove 40b, are formed from the stainless material of the layer 20. A second side wall 41 of the second groove 40b as well as the entire third groove 40c, i.e. the two side walls 41 and the groove bottom 42 of the third groove 40c, are formed by the ring element 30.

[0079] The ring element 30 is made of a non-corrosive material, specifically stainless steel. It is arranged in a recess of the outer bearing ring 110 and has a connecting element 31 that axially connects the ring element 30 to the outer bearing ring 110. The connecting element 102 comprises a screw that extends axially through the sealing carrier ring 100 and is screwed into a mating thread of the outer bearing ring 110. This allows the ring element 30 to be detachably connected to the outer bearing ring 110.

[0080] Thus, the ring element 30 can be easily removed by loosening the connecting element 31, for example to replace the sealing rings 50a, 50b, 50c210848P00DE

[0081] to replace. In particular, the second sealing ring 50b is especially easy to replace in this way. 210848P00DE

[0082] 16

[0083] Reference numeral list

[0084] 10 basic shapes

[0085] 11 radial inner side

[0086] 12 Exclusion

[0087] 20 shifts

[0088] 30 ring element

[0089] 31 Fasteners

[0090] 40a first groove

[0091] 40b second groove

[0092] 40c third groove

[0093] 41 Side wall

[0094] 42 grooved floor

[0095] 50a first sealing ring

[0096] 50b second sealing ring

[0097] 50c third sealing ring

[0098] 100 sealing carrier rings

[0099] 101 radial inside

[0100] 102 Fasteners

[0101] 110 outer bearing ring

[0102] 111 radial inner side

[0103] 120 inner bearing ring

[0104] 121 radial outer side

[0105] 122 Opposite shift

[0106] 123 axial outer side

Claims

Claims 1. Device for receiving at least one sealing ring (50a, 50b, 50c) in a rolling bearing, wherein the device comprises an annular base body (10) with at least one welded layer (20) of stainless material, wherein at least one groove (40a, 40b, 40c) for receiving the sealing ring (50a, 50b, 50c) is formed in the layer (20), which extends along an entire inner circumference and / or outer circumference of the base body (10).

2. Device according to claim 1, characterized by the fact that the layer (20) is formed along the entire inner and / or outer circumference of the base body (10).

3. Device according to claim 1 or 2, characterized by the fact that the layer (20) has a thickness that is greater than a depth of the groove (40a, 40b, 40c).

4. Device according to one of the preceding claims, characterized by the fact that the groove (40a, 40b, 40c) has two side walls (41a, 41b) and a groove bottom (42) which connects the side walls (41a, 41b), wherein the layer (20) forms a first side wall (41a) and / or the groove bottom (42), in particular completely.

5. Device according to claim 4, characterized by the fact that the layer (20) forms a second side wall (41b), in particular completely.

6. Device according to claim 4, characterized by A ring element (30) made of non-corrosive material, in particular stainless steel, which is detachably connected or connectable to the base body (10) and forms a second side wall (41b) of the groove (40a, 40b, 40c), in particular completely.

7. Device according to one of the preceding claims, characterized in that the layer (20) is arranged in a recess (12) of the base body (10).

8. Device according to one of the preceding claims, characterized in that the base body (10) is a sealing carrier ring (100), an outer bearing ring (110) or an inner bearing ring (120) of the rolling bearing.

9. Rolling bearing with a device according to one of the preceding claims and a sealing ring (50a, 50b, 50c) arranged in the groove (40a, 40b, 40c).

10. Method for manufacturing a device according to any one of claims 1 to 8, wherein the method comprises the following steps: - Providing the basic body (10); - Applying the layer (20) to the base body (10) by weld overlay; and - Removing part of layer (20) to form the groove (40a, 40b, 40c) in layer (20).

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