Bearings Holder

专利摘要:

公开号:SE534136C2
申请号:SE0900954
申请日:2009-07-09
公开日:2011-05-10
发明作者:Berthold Beyfuss；Hans-Juergen Friedrich；Alfred Radina；Jonas Schierling
申请人:Skf Ab；
IPC主号:

专利说明:

The side ring segment may in this case be formed fork-shaped in its end portion and have two hook-shaped projections, which engage in two recesses in the web and / or in the adjacent side ring segment. The two hook-shaped projections in the side ring segment can then engage in the two recesses in the life, which are formed as two grooves running in the axial direction. Furthermore, in this case, it is preferred if a groove is arranged in a radially inner region and a groove in a radially outer region of the web. Hook-shaped projections in adjacent side ring segments can in the circumferential direction during abutment against each other be arranged in a common recess in the waist.
An alternative solution proposes that the pre-locking connection has at least one projection arranged on the side ring segment, which is thicker on the spirit side, which engages in a congruently recessed recess in the web, which in the circumferential direction forms an undercut.
The form-locking connection between the side ring segment and the web or between two side ring segments then preferably forms a snap connection.
A further alternative solution proposes that the form-locking connection has a loop or loop arranged on the side ring segment on the end side, which encloses the axial end area of the web. In this case, it is preferably arranged that two adjacent side ring segments in the area of the loop or loop in the axial direction are complementarily formed and in mounted condition form a far-reaching flat end face on the side ring. .
A further alternative embodiment of the invention proposes that the form-locking connection in the side ring segment each has circumferentially arranged on the end side and the side ring segment through recesses, through which pass through portions arranged in the axial end region of the web, so that each of the through a recess in two adjacent side ring segments and then connect the side ring segments to each other.
The web can then have abutment surfaces on the side of the side ring segment facing the recipient. 10 15 20 25 30 534 136 3 According to a preferred design, the life has seen in an axial direction an angled shape with two legs. In this case, the abutment surfaces can be formed by a connecting portion between the two legs. In particular, the connecting portion can be formed from the material in the web by a deformation process. However, it is also possible for the abutment surfaces to be formed by an axial end of the two legs.
The axial end of the through portion may have at least one securing portion projecting axially beyond the side ring segments. It is especially preferred in order to achieve simple securing of the various holding elements that the securing portion is a material portion bendable from the axial plane of the recess.
The side ring segments may have a curvature so that the two ends of the side ring segment have a mutual axial displacement. In this case, after joining the individual side ring segments, a far-reaching undisturbed ring structure is obtained.
The side ring segment and the webs can form a far-reaching undisturbed cylindrical shape at the radially outer circumference of the roller bearing holder. At the radially inner circumference, cup-shaped sections of the side ring segments can ensure a high strength of the segments.
The side ring segment can also be connected to the life and / or to each other by a material locking connection. In doing so, one thinks especially of a lirn bandage.
In order to improve the control of the roller bodies, a guide means for the roller bodies can be arranged on the web on at least one of the sides facing the receiver pocket. The web and the control means for the roller bodies are then preferably connected to each other via a pre-locking connection. The side ring segments and webs preferably consist of plastic. In this case, it can be advantageous if the plastic in the side ring segments and the life are different. Namely, the webs can consist of a harder material, as they are usually exposed to a higher wear load. A further development of the invention proposes that the web consists of a first web element and a second web element, the second step element being pre-locked to the first web element. The first life element can then be connected to the two side rings resp. with the side ring elements, the second life element being connected only to the first life element. The extent of the second web element in the axial direction is preferably less than or equal to the extent of the receiver pocket in the axial direction.
The second web element can have a recess extending in the axial direction, through which the first web element extends. In this case, it is arranged in particular that the shape of the recess in a section perpendicular to the axial direction and the cross-sectional shape of the first web element in a section perpendicular to the axial direction are cong.
Alternatively, it can also be arranged that the second web element is connected to the first web element by means of a snap connection. The snap connection can then comprise two gripping portions arranged on the second web element, which enclose the first web element laterally.
Furthermore, at least one snap tongue, and preferably two snap tongues, can be arranged on the second web element, in order to support the holding of a roller body.
The first life element preferably consists of metal and the second life element of plastic.
The mounting of the roller body is simplified, if arranged, so that the open width between two circumferentially adjacent other web elements in the mounted position of the roller bearing holder is slightly smaller than the diameter of the roller body.
With the proposed design of a rolling bearing holder, the advantage of a simplified assembly is achieved. Techniques such as shrinking and pressing side ring segments on the web may also be used during assembly.
With the proposed design of a rolling bearing holder, a simple, yet stable construction is achieved. The holder can be mounted in a simple manner and also exhibits a high stability without carrying out complicated measures (welding of the individual parts, etc.). The control of the roller bodies in the receiving boxes is favorable.
The drawings illustrate exemplary embodiments of the invention. They show: Fig. 1 in perspective view a part of a rolling bearing holder, partly as an exploded view, Figs. Fig. 2 in perspective view a side ring segment of the holder according to Fig. 1 Fig. 3 in perspective view a web in the holder according to Fig. 1, Fig. 4 in perspective view a part of a rolling bearing holder according to an alternative design, partly in exploded view, Fig. 5 to the holder according to Fig. 4, Fig. 6 in perspective view a life in the holder according to Fig. 4, Fig. 7 in perspective view a part of a rolling bearing holder according to an alternative design, partly in exploded view, Fig. 8 in perspective view a part of a rolling bearing holder according to an alternative design to Fig. 7, partly in exploded view, Fig. 9 a portion of a rolling bearing holder, namely three side ring segments and life seen in axial direction, in a further alternative design of the invention, Fig. 10 in perspective view a part of a rolling bearing holder according to the construction method according to Fig. 9, Fig. 11 in perspective view a side ring segment to the holder according to Fig. 9 resp. 10, Fig. 12 in perspective view a life of the holder according to Figs. 9 resp. 10, 10 15 20 25 30 534 136 6 Fig. 13 in perspective view a part of a rolling bearing holder according to a further alternative design, partly in exploded view, Fig. 14 in perspective view a part of a rolling bearing holder according to a further alternative design, Figs. Fig. 16 in perspective view and in exploded view two holder lives and adjacent side ring segments according to a further alternative design of the invention, Fig. 16 a part of the assembled holder according to Fig. 14 seen in axial direction, Fig. 17 in perspective view a part of a rolling bearing holder according to a further alternative design, partly in exploded view, Fig. 18 in perspective view a life of the rolling bearing holder according to Fig. 17, Figs. Fig. 19 is a perspective view of a side ring segment of the rolling bearing holder according to Fig. 17; Fig. 22 in perspective view a life of the rolling bearing holder according to Fig. 21, Fig. 23 in perspective view a side ring segment of the rolling bearing holder according to Fig. 21, Fig. 24 in perspective view the enlarged portion "Y" according to Fig. 21, Fig. 25 a rolling bearing holder according to a further alternative embodiment of the invention in exploded view, Fig. 26 a portion of the rolling bearing holder according to Fig. 25 in enlarged view, Fig. 27 a portion of the rolling bearing holder in enlarged view according to one to Figs. 25 and 26 alternatively, and Fig. 28 the roller bearing holder according to Fig. 27 seen in the shaft direction.
I F ig. 1, a rolling bearing holder 1 can be seen, partly in exploded view, and which is made up of the parts shown in Fig. 2 and Fig. 3.
The holder has a number of webs 4, which with their two axial ends are connected to side rings 2 and 3. The side rings 2, 3 then consist of a number of interconnected side ring segments 2 ", 2", 2 "', respectively, 3', 3" , 3 ””. Between the webs 4 lies - axially limited by the side ring segments 2 °, 2 ", 2 °", 3 ', 3 ", 3" ° - holds fi ckor 5 for receiving roller bodies (not shown in Fig. 1). The interconnected side ring segments 2 °, 2 ", 2" °, 3 ", 3", 3 '"form in the circumferential direction U a composite ring structure.
In the solution according to Figs. 1 to 3, it is arranged that a side ring segment 2 °, 2 ", 2" ", 3 ', 3", 3' ° 'is connected to a web 4 by means of a form-locking connection 6. How this form-locking connection connection is built up, it appears from ur gures 2 and 3. The side ring segments 2 ", 2", 2 ° ", 3 °, 3", 3 "° have in their end areas hook-shaped projections 6 ', and thereby - as shown in Fig. 2 - each two hook-shaped projections 6 °, which once protrude radially from above and once from below. The web 4, which can be seen in Fig. 3, has in the radially outer and in the radially inner end area each a recess 6 "in the form of a groove running in the axial direction. The hook-shaped projections 6 'and the grooves 6 "are arranged so that the fork-shaped ends of a side ring segment 2", 2 ", 2" °, 3 °, 3' °, 3 "° can slide into the grooves 6", in order to thus finding a solid cohesion. The grooves 6 "° are so wide designed that two hook-shaped projections 6 'can fit in a groove 6", i.e. the ends of two adjacent side ring segments 2 ', 2 ", 2"', 3 ', 3 ", 3'" support in the circumferential direction U against each other, when they are axed in the groove 6 ". This is illustrated in Fig. 1. the undercut formed by the grooves 6 "for the hook-shaped projections 6" 'in the circumferential direction U, a fixed connection is ensured, in particular when the hook-shaped projections 6' form a snap or clamp connection with the recesses 6 ". 10 15 20 25 30 534 136 8 IFig. 4 you see a similar solution. The side ring segments 2 °, 2 ", 2" °, 3 ", 3", 3 "'(see Fig. 5), and the webs 4 (see Fig. 6), which are used here, are also connected here with a form-locking connection 6. this consists here of a projection 6 "" thickened in the end portion, which can engage in a recess with congruent, ie corresponding suitable form. This connection is also designed according to the type of a snap or claw connection, i.e. when the projection 6 "" with sufficient compressive force is pressed into the recess 6 "° ', it snaps into the recess 6" "and thus achieves a solid cohesion.
In Fig. 4 it can also be seen that on the side of the web 4 facing the receiving corner 5 a guide member 8 for the roller body is arranged. This serves to improve the control of the roller body in fi ckan 5.
An additional alternative design of the invention is shown in Figs. Here, in the end portions of the side ring segments 2 ', 2 ", 2" °, 3 ", 3"', 3 "each formed a loop or loop 6" '", which forms an opening 9, which - seen in the axial direction a - corresponds to the cross-sectional shape of the web 4. According to this, a side ring segment 2 °, 2 ", 2 °", 3 ", 3", 3 "° can be connected to the web by pushing in the axial direction a. The size of the opening 9 can be selected. slightly smaller than the cross-section of the web 4, so that a straightening is required, which, however, then ensures a firm cohesion of the side ring segments 2 °, 2 ", 2" ', 3 ", 3", 3 "" on the web 4.
Fig. 8 shows one to Figs. 7 alternatives, but still a very similar solution. What both embodiments have in common is that the side ring segments 2 ', 2 ", 2'", 3 ", 3", 3 "'in mounted condition have a complementary shape in the axial direction, ie the side ring segments are 2", 2 ", 2 ° ", 3", 3 ", 3 '" mounted, a substantially undisturbed ring trip is obtained through the individual side ring segments 2 °, 2 ", 2 °", 3 ", 3", 3 "°. Accordingly, far-reaching undisturbed end sides 7 (see Fig. 7 and Fig. 8) It should be noted that the design according to Fig. 8 is somewhat easier to mount, as the missing side ring segment T, 2 ", 2" ", 3", 3 ", 3 '" can be easily pushed up axially, while the last two segments of the solution according to Fig. 7 must be mounted overlapping.
Further possible embodiments of the invention are shown in the further figures 9 to 16. 10 15 20 25 30 534 136 9 In Figs. 9 to 12 it is shown that the side ring segments 2 ', 2 ", 2'", 3 ", 3", 3 "" here are designed slightly arched and in their end areas each form hook-shaped projections. , which engage both in the adjacent side ring segment 2 °, 2 ", 2" ", 3 ', 3", 3 ° ", as well as in the web 4, each of which has corresponding congruent recesses for the hook-shaped projections.
In the solution according to Fig. 13 and Fig. 14 (the view of the holder according to Fig. 14 seen in the axial direction a is illustrated in Fig. 16), adjacent side ring segments 2 °, 2 ", 2" ', 3', 3 ", 3" engage 'with a form-locking connection 6 in each other. The web 4 can then be covered by the side ring segments 2 °, 2 ", 2" °, 3 ', 3 ", 3 °" and thus fixed. The pre-locking connection is here designed as a thickened projection 6 "', which engages in a corresponding recess 6"'. In Fig. 13 and Fig. 14, two webs 4 are otherwise arranged between two receiver jacks 5, which connect the side rings 2, 3.
In the solution according to Fig. 13, it may also possibly be arranged that the webs are fixed by material locking, i.e. for example by gluing. The form lock 6 secures the connection between the side ring segments.
A further alternative is illustrated in Fig. 15.
For the individual parts of the holder 1 can be used in large numbers of prefabricated structural parts. Particularly preferred is the use of a strand profile made for the web 4, for example by extrusion, whereby the required length of the web 4 is cut off from an endless profile. The cost of holder production is thereby correspondingly favorable.
Two further variants of the proposed holder are illustrated in Figures 17 to 20 and 21 to 24, each showing the holder (Figs. 17 and Fig. 21), as well as details thereof in the further members 18 to 20 and 22 to 24.
The web 4 is here made of sheet metal, whereby a sheet metal strip is bent so that two equal legs 4 "and 4 '° are obtained, each of which extends in the axial direction a. The individual side ring segments 2", 2 ", 2'", 3 °, 3 ”, 3” ° to the side rings 2 and 3 are each provided with a curvature 15 (see Figs. 19 and 23), which forms an axial displacement x. If the individual side ring segments are set against each other, thus obtaining a far-reaching undisturbed ring structure.
In the solution according to Figures 17 to 20, each web 4 in the late two axial end regions each has a passage portion 11. On the other hand, the side ring segments have 2 °, 2 ", 2 '", 3', 3 ", 3 °" at their two end regions - circumferential direction U - recesses, which can be achieved, for example, by a punching process. When mounting the holder 1, each two side ring segments 2 ', 2 ", 2 °", 3 °, 3 ", 3'" with their recesses 10 will be pushed up axially on a web 4 and more specifically on its passage portions 11, so that it a position is achieved, as illustrated in Fig. 20.
Therefore, a bearing surface 12 (see Fig. 18) is arranged in the axial direction of the web 4, so that the side ring segments 2 ", 2", 2 "', 3', 3", 3 "" can only move to a defined axial position on the life 4. The passage portion 11 is designed so far that it projects axially slightly outside the upper side ring segment when it reaches the mounted condition. is in line with the life contour in the axial direction a. If the side ring segments 2 ", 2", 2 "", 3 ', 3 ", 3" ° are mounted in this way, the fuse portion 14 is deformed, as can be seen in Fig. a shape-locking, fixed connection between the webs and the side ring segments is obtained.
The holder 1 according to Figs. 21 to 24 is constructed very similarly to the solution according to Figs. 17 to 20. their legs 4 ', 4 ”. Otherwise, the structure corresponds to the solution according to Figures 17 to 20.
The holder according to Figures 17 to 24 preferably consists of sheet metal, the required parts being manufactured by punching and deforming processes. The embodiment for cylindrical roller bearings illustrated in Figures 17 to 24 can also be designed for conical roller bearings with suitable deformation of the components. Furthermore, the connection between the webs and the side ring segments can not only be ensured by only form locking but as a complement also by material locking, e.g. by laser welding / soldering / gluing. The advantage of the last described solution according to Figures 17 to 24 lies in a material saving in comparison with traditional manufacture of a holder. Furthermore, the solution offers a variable possibility, to shape the live element shape. Finally, this embodiment also offers the possibility of assembly and disassembly on site, which is advantageous e.g. in wind power use.
Figures 25 to 28 illustrate a further construction concept for a rolling bearing holder with a special further development. Namely, here the web 4 does not consist - as in the previous one - of a single construction part, but the web 4 is composed of two web elements 16 and 17.
In the embodiment according to Figs. 25 and 26, the first web element 16 consists of a (solid) rod with the fi nierated cross-sectional shape; preferably the first web element 16 consists of metal. The first web element 16 is connected with its two axial ends to the side rings 2, 3 and 3, respectively. side ring elements. Before attaching the axial ends of the first web element 16 in the side rings 2, 3 resp. the side ring elements are pushed onto the first web element 16 by a second web element 17, as is particularly illustrated in Fig. 26. For this purpose, the second web element 17 has a recess 18, the cross-sectional shape of which corresponds to that of the first web element 16.
The axial length in the direction a of the second web element 17 corresponds to the desired axial length of the receptacle 5 of the roller body 23.
According to this, it is proposed that the web 4 consists of the first web element 16 and the second web element 17, the second web element 17 being pre-lockingly connected to the first web element 16.
This form-locking connection can also be provided in the manner shown in Figures 27 and 28. According to this, a snap connection is provided, with which the two web elements 16 and 17 are form-lockingly connected to each other. The snap connection 19 has two gripping portions 20 and 21, which are formed on the second web element 17, and are laterally snapped on resp. clamped on the first web element 16. Accordingly, in Fig. 28, the second web element 17 will be pushed up in the direction of the arrow on the first web element 16, whereby the snap connection 19 provides a form-locking connection between the two web elements 16, 17.
An improvement of the holding of the mounted roller bodies 23 can be achieved, if further on the second web element 17 one or two snap lips 22 are formed or arranged, which perform a holding function on the roller bodies 23.
As further can be seen exempli fi erat in Fíg. 28, the roller bodies 23 have a slightly larger diameter (see the framed value of 34 mm) than the open width between two webs 4 and 4, respectively. other life elements 17 (see the drawn value of 33.8 mm). Thus, snapping into the receiver 5 can take place by elastic extension of the web when mounting the roller body 23.
As already mentioned above, a (further) material-locking connection can be arranged between the first web elements 16 and the side rings 2, 3, e.g. by welding. 10 15 20 25 30 534 135 13 List of reference numerals 1 2 2 ', 2 ", 2" ° 3 3 ", 3", 3 ° "4 4» 4, »5 6 6, 6 ,, 6,” óm, sore »7 8 9 10 11 12 12” 12 ”13 14 15 16 17 18 Rolling bearing holder Side ring Side ring segment Side ring Side ring segment Life Leg to life Leg to life Receiver fi cka Shoe-locking connection Hook-shaped protrusion Recess (groove) Thickened protrusion Removal O-loop Recess Pass-through portion Bearing surface Bearing surface Bearing surface End face Fuse portion Curvature First life element Second life element Recess 20 22 23 534 136 Snap connection Gripping portion Grip portion Snap lips Rollers Body Circumference direction Axial displacement

权利要求:
Claims (22)
[1]
Rolling bearing holder (1), having two side rings (2, 3), between which a number of webs (4) are arranged, so that a receiver (5) for a rolling body is formed between two adjacent webs, the side rings (2, 3 ) are composed of a number of side ring segments (2 ', 2 ", 3', 3", 3 "', ...), and wherein a side ring segment (2', 2", 3 ', 3 ", 3" ', ...) is connected to two adjacent webs (4) by means of a form-locking connection (6), characterized in that the side ring segment (2', 2 ", 3 ', 3", 3 "', ...) in its end portions are fork-shaped and have two hook-shaped projections (6 '), which engage in two recesses (6 ") in the web (4), the recesses in the circumferential direction (U) seen forming a undercut.
[2]
Rolling bearing holder according to Claim 1, characterized in that the two hook-shaped projections (6 ') of the side ring segment (2', 2 ", 3 ', 3", 3 "', ...) engage the two recesses (6") in the life (4), which are designed as two tracks running in the axial direction (a).
[3]
Rolling bearing holder according to Claim 2, characterized in that a groove (6 ") is arranged in the radially inner region and a groove (6") in the radially outer region of the web (4).
[4]
Rolling bearing holder according to one of Claims 1 to 3, characterized in that hook-shaped projections (6 ') in adjacent side ring segments (2', 2 ", 3 ', 3", 3 "', ...) are arranged in the circumferential direction ( U) support each other in a common recess (6 ") in the waist (4). 534 136 lb
[5]
Rolling bearing holder according to one of Claims 1 to 4, characterized in that the form-locking connection (6) between the side ring segment (2 ', 2 ", 3', 3", 3 "', ...) and the web (4) or between two side ring segments (2 ', 2 ", 3', 3", 3 "', ...) form a snap connection.
[6]
Rolling bearing holder according to one of Claims 1 to 5, characterized in that the side ring segments (2 ', 2 ", 2"', ..., 3 ', 3 ", 3"', ...) and the webs (4) form an undisturbed cylindrical cylindrical shape extending at the radially outer circumference of the roller bearing holder.
[7]
Rolling bearing holder according to one of Claims 1 to 6, characterized in that the side ring segments (2 ', 2 ", 3', 3", 3 "', ...) are connected to the webs (4) and / or to each other also by a material locking connection.
[8]
Rolling bearing holder according to Claim 7, characterized in that the material-locking connection is an adhesive joint.
[9]
Rolling bearing holder according to one of Claims 1 to 8, characterized in that a guide means (8) for the rolling body is arranged on at least one side of the web (4) facing the receiver (5).
[10]
Rolling bearing holder according to Claim 9, characterized in that the web (4) and the guide means (8) for the rolling body are connected to one another by a form-locking connection. 534 136 I
[11]
Rolling bearing holder according to one of Claims 1 to 10, characterized in that the side ring segments (2 ', 2 ", 3', 3", 3 "', ...) and the webs (4) consist of plastic.
[12]
Rolling bearing holder according to claim 11, characterized in! that the plastics in the side ring segments (2 ', 2 ", 3', 3", 3 "', ...) and in the webs (4) are different.
[13]
Rolling bearing holder according to one of Claims 1 to 12, characterized in that the web (4) consists of a first web element (16) and a second web element (17), the second web element (17) being form-fittingly connected to the first web element (16). ).
[14]
Rolling bearing holder according to Claim 13, characterized in that the first web element (16) is connected to the two side rings (2, 3) resp. with the side ring segments (2 ', 2 ", 3', 3", 3 "', ...) while the second web element (17) is connected only to the first web element (16).
[15]
Rolling bearing holder according to Claim 14, characterized in that! in that the extent of the second life element (17) in the axial direction (a) is less than or equal to the extent of the receiver fi ckan (5) in the axial direction (a).
[16]
Rolling bearing holder according to one of Claims 13 to 15, characterized by 534 135 l; that the second web element (17) has a recess (18) extending in axial direction (a), through which the first web element (16) extends.
[17]
Rolling bearing holder according to claim 16, characterized in that the shape of the recess (18) in a section perpendicular to the axial direction (a) and the cross-sectional shape of the first web element (16) in a section perpendicular to the axial direction (a) are congruent.
[18]
Rolling bearing holder according to one of Claims 13 to 15, characterized in that the second web element (17) is connected to the first web element (16) by means of a snap connection (19).
[19]
Rolling bearing holder according to Claim 18, characterized in that the snap connection (19) has two gripping portions (20, 21) arranged on the second web element (17), which laterally comprise the first web element (16).
[20]
Rolling bearing holder according to one of Claims 13 to 19, characterized in that at least one snap lip (22), preferably two snap lips (22), is arranged on the second web element (17), in order to support the holding of a roll body (23).
[21]
Rolling bearing holder according to one of Claims 13 to 20, characterized in that the first web element (16) consists of metal and the second web element (17) of plastic. 534 136 Fl
[22]
Rolling bearing holder according to one of Claims 13 to 21, characterized in that the open width between two circumferentially adjacent second web elements (17) is in the mounted position on the rolling bearing holder (1) slightly smaller than the diameter of the rolling body (23).

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同族专利:

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公开号 | 公开日

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DE102009004657A1|2010-02-04|

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CN101634339A|2010-01-27|

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SE0900954L|2010-01-27|

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DE102009004657B4|2011-02-03|

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CN101634339B|2014-11-12|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE102008034921|2008-07-26|

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DE102009004657A|DE102009004657B4|2008-07-26|2009-01-15|Rolling bearing cage|

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