NEEDLE BUSHES. Polígono Indutrial O Rebullón s/n Mos - España -

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1 NEELE USHES Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

2 Technical featues Neele ushes Neele bushes consist of a thin, heat teate oute ing fome fom accuately contolle sheet steel encasing a set of neeles. ushes may have a full complement of neeles etaine in the oute ing by thei ens o by gease; othes have the neeles etaine in a cage which is pevente fom moving lateally in the oute ing. These beaings which occupy vey little aial space ae paticulaly economical to use an possess a high loa capacity, elative to thei size. They shoul be selecte in pefeence to othe beaings when conitions of mounting an opeation pemit. When neele bushes ae use without an inne ing an the neeles otate on a shaft of suitable haness, they occupy minimum space an theefoe povie a vey satisfactoy solution. Maximum loa capacity is obtaine with a shaft haness une the neeles of at least 58 HR. A lowe haness is acceptable if loas an equie life pemit. Haene inne ings can be supplie fo most Naella neele bushes. They emove the necessity to haen the shaft an enable the beaings to accept full loa capacity. All neele bushes ae nomally supplie unlubicate (except whee a special gease has been equeste). Howeve, they ae coate with a thin film of gease to pevent coosion. TYPES O NEELE USHES HK K HKRS KRS HK.2RS L L ull complement neele bushes Retaine neeles open close en open age neele bushes close en open with seals close en with seals AS1 RS.2RS Suffixes lubicating hole seal on one sie seal on each sie L L HK K HK..RS HK..2RS K..RS 54 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

3 Technical featues Neele ushes ONSTRATION The oute ing, in the fom of a cup, is accuately awn an no subsequent machining is pefome. Neele bushes of seies HK an L have open ens. The HK seies also ae available with one seal, HKRS, an with two seals, HK.2RS. The stampe lip of a neele bush of seies HKRS is at the seal en. Neele bushes of seies K an L ae close at one en. They ae use fo shaft-en mounting. The open en is typically not seale. Neele bushes may be mae available on equest with a lubicating hole, inicate by suffix AS1. The one-piece steel cage use in most cases of neele bushes is esigne to povie igiity an minimize wea. This cage esign sepaates the neele olle guiing an etention functions. age neele bushes incopoating seals age neele bushes type HK RS an HK 2RS have a seal incopoate on the insie of the face make with the beaing pat numbe. To this face shoul be applie the foce necessay fo installation o two seals vesion 2RS. Thus, afte fitting, the seal will nomally be situate towas the outsie of the beaing to pevent loss of lubicant an the enty of it, etc. (fig. 4). lf sealing is also necessay on the opposite sie, a sepaate sealing ing type H (see page 189), of the same intenal an extenal iametes as the neele bush may be use o, if available, a neele bush HK 2RS. The beaing seal which is mae of synthetic ubbe pemits opeation up to 120 (minimum unning tempeatue -20 ). The shaft to be intouce into the neele bush on assembly must be chamfee at its en o at its shoule (fig. 4). When caying out this opeation the suface passing though the seal must be gease, in oe to avoi amages. INNER RINGS lnne ings fo neele bushes ae nomally supplie without oil hole an have a cylinical neele tack. In those infequent cases whee lubication is povie though the shaft, inne ings can be supplie on equest with an oil hole (seies JR...JS1). JR JR...JS1 Inne ings seies JRZ...JS1 ae without installation chamfes, allowing fo maximum possible aceway contact. See section Inne ings on pag. 68 fo futhe etails. LOA RATING ATORS ynamic loas Neele bushes can accooate only aial loas. P= The maximum ynamic aial loa that may be applie to a neele bush base on the ynamic loa ating, given in the beaing tables. This loa shoul be /3. Static loas f 0 0 = P0 f 0 = static loa safety facto 0 = basic static loa ating (kn) P 0 = maximum applie static loa (kn) To ensue satisfactoy opeation of neele bushes, une all types of conitions, the static loa safety facto f 0 shoul be Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

4 Technical featues Neele ushes INSTALLATION o neele bushes one must accept that the thin oute ing is intefeence fitte to the housing boe an will coespon closely to the shape of the housing. A housing with localise impefections an thickness vaiations may cause efomation of the bush, which is etimental to smooth opeation. est esults ae obtaine with a geometically unifom shape an even loa istibution. A mounting with intefeence of neele bushes in the housing obviates any lateal sealing evice. The sie of the bush not make must emain move away fom any shoule, seal, cove, space o ege of anothe bush. If fo machining equie thee is a housing with shoules, the latte must be sufficiently move away fom the bush to avoi efoming the ege uing mounting. The foce equie to inset the neele bush must be applie without shock to the sie make with the beaing pat numbe. Thus it is avisable to use a small pess fitte with a suitable manel to apply unifom foce to the bush cente in the housing (fig. 1). The axial movement of the manel shoul be limite by a shoule coming against the face of the housing. ushes having one close en shoul pefeably have the open en pesente to the housing boe (fig. 2). lf this is not possible, the foce may be applie to the insie face of the close en in the case of bushes type L (fig. 3) (this must not be one in the case of bushes type K). ig A ig (1) oe of ing min ig.3 w (h8) A min = 3 min + 1 ig.4-0.2/ w /0.3 w (h8) min 0.5 min (1) Make face 56 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

5 Technical featues Neele ushes RAIAL PLAY The fit of a bush in its housing etemines to a lage extent the imension une the neeles afte fitting an consequently the aial play uing opeation. The ecoene shaft an housing toleances give a aial play the limits of which ae suitable fo most nomal applications. To obtain a close cleaance, it is possible to match the shaft iametes with the iametes une the neeles of the bushes afte the latte have been fitte into thei housings. The possible iffeences in the igiity of housings an the vaiations of clamping foce esulting fom the toleance buil up o not pemit one to establish a ange of imensions une the neeles fo evey application. The aial play limits shoul also take into account the toleance of the shaft use iectly as a aceway o the oute iamete of the inne ing afte it has been fitte on to the shaft. It is suggeste that when inne ings ae use with neele bushes, they shoul be mounte with a loose tansition fit on the shaft using g6 (g5) shaft iamete toleance. The inne ing shoul be en-clampe against a shoule. If a tight tansition fit must be use [shaft iamete toleance h6 (h5)] to keep the inne ing fom otating elative to the shaft, the inne ing oute iamete, as mounte, must not excee the aceway iamete equie by the neele bush fo the paticula application. In case the oute iamete of the inne ing, when mounte on the shaft, excees the equie aceway iamete fo the matching neele bush, it shoul be goun to pope iamete while mounte on the shaft. SHAT TOLERANES Types of bush HK, K, HKRS, HK.2RS L,L HK, K, HKRS, HK.2RS L,L HK, K, HKRS, HK.2RS L,L Opeating conitions One piece heavy section steel o cast ion housing One piece heavy section steel o cast ion housing Housing mateial of low igiity (Non-feous metal (1) o thin casings in steel) Housing mateial of low igiity (Non-feous metal (1) o thin casings in steel) Oute ing otation (one piece heavy section steel o cast ion housing) Oute ing otation (one piece heavy section steel o cast ion housing) toleance, neele bushes without inne ing (ecoene intenal aial play) toleance, neele bushes with inne ing (ecoene intenal aial play) Housing toleance (ecoene intenal aial play) h5 (h6) h6 (h5) N6 (N7) h5 (h6) h6 (h5) H6 (H7) h5 (h6) h6 (h5) R6 (R7) h5 (h6) h6 (h5) M6 (M7) f5 (f6) g6 (g5) R6 (R7) f5 (f6) g6 (g5) M6 (M7) HK, K, HKRS, HK.2RS Oscillating motion j5 (j6) h6 (h5) (2) L,L Oscillating motion j5 (j6) h6 (h5) (2) (1) lf a housing of non-feous metal eaches tempeatues consieably highe (o lowe) than 20, account shoul be taken of the iffeence in expansion (o contaction) of the bush an suitable ajustments to the fits shoul be mae. The cylinical toleance efine as the iffeence in aii of two coaxial cylines (Stana ISO 1101) must nomally be less than a quate of the machining toleance on the efine iamete. Howeve, fa pecision applications o high spees, it is ecoene that the cylinical toleance is euce to one eighth of the machining toleance. (2) The toleance epens on the shape of the housing. Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com 57

6 Technical featues Neele ushes INSPETION O NEELE USHES Although the bush is accuately awn fom stip steel, because of its faily thin section, it may go out-of-oun uing heat teatment. When the beaing is pesse into a tue oun housing, o ing gage of coect size an wall thickness, it becomes oun an is size popely. o this eason, it is incoect to inspect an unmounte awn cup beaing by measuing the oute iamete. The coect metho fo inspecting the neele bush size is to: 1. Pess the neele bush into a ing gage of pope size. 2. Plug the neele bush boe with the appopiate GO an NO GO gages, o measue it with a tapee abo (lathe manel). The GO gage size is the minimum neele olle complement boe iamete. The NO GO gage size is lage than the maximum neele olle complement boe iamete. ULL OMPLEMENT NEELE USHES Type L, L Nominal boe iamete Ring gage* Neele olle complement boe iamete Max. Min AGE NEELE USHES Type HK, K, HK...RS, K...RS, HK...2RS Nominal boe iamete Ring gage* Neele olle complement boe iamete Max. Min * The ing gage sizes ae in accoance with ISO N6 lowe limit. 58 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

7 Neele bushes, full complement, etaine open seies L close en seies L W W 3 3 L L esignation 114L L L L L L L L L L L L L L L L L L L L L L L L1816 w 3 min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil Intenal ing 114JR8X12X JR8X12X JR8X12X JR8X12X JR10X13X JR10X13X JR10X14X JR10X14X JR12X15X JR12X15X JR12X16X JR12X16X JR13X17X JR13X17X JR13X18X JR13X18X JR15X18X JR15X18X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

8 Neele bushes, full complement, etaine open seies L close en seies L W W 3 3 L L esignation 114L L L L L L L L L L L L L L L L L L L L L L L L L L4020 w 3 min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil Intenal ing 114JR15X20X12 114JR15X20X12 114JR17X20X16 114JR17X20X16 114JR17X22X16 114JR17X22X16 114JR20X25X17 114JR20X25X17 114JR20X25X JR20X25X JR22X28X JR22X28X JR25X30X17 114JR25X30X17 114JR25X30X JR25X30X JR25X30X26 114JR25X30X26 114JR30X35X17 114JR30X35X17 114JR30X35X JR30X35X JR35X40X17 114JR35X40X17 114JR35X40X JR35X40X 60 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

9 Neele bushes, full complement, etaine open seies L close en seies L W W 3 3 L L esignation 114L L L L L L L L L L L L5520 w 3 min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil Intenal ing 114JR45X50X20 114JR45X50X20 114JR50X55X20 114JR50X55X20 61 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

10 age neele bushes open seies HK close en seies K s s 3 W W esignation 114K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK1015 w HK 3 min. s min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil Intenal ing JR5X8X JR5X8X JR6X9X JR6X9X JR6X9X JR6X9X JR7X10X JR7X10X JR7X10X JR7X10X JR7X10X JR7X10X16 K 62 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

11 age neele bushes open seies HK close en seies K s s 3 W W esignation 114K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK1816 w HK 3 min. s min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil K Intenal ing 114JR8X12X JR8X12X JR8X12X JR8X12X JR10X13X JR10X13X JR10X14X12 114JR10X14X12 114JR12X15X JR12X15X JR12X15X JR12X15X JR12X15X JR12X15X JR12X16X12 114JR12X16X12 114JR12X16X16 114JR12X16X16 114JR12X16X22 114JR12X16X JR15X18X JR15X18X165 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com 63

12 age neele bushes open seies HK close en seies K s s 3 W W esignation 114K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK K HK2820 w HK 3 min. s min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil K Intenal ing 114JR15X20X12 114JR15X20X12 114JR17X20X JR17X20X JR17X20X JR17X20X JR17X20X JR17X20X JR17X22X13 114JR17X22X13 114JR17X22X16 114JR17X22X16 114JR17X22X23 114JR17X22X23 114JR20X25X17 114JR20X25X17 114JR20X25X JR20X25X JR20X25X JR20X25X JR20X25X JR20X25X JR22X28X17 114JR22X28X17 114JR22X28X JR22X28X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

13 age neele bushes open seies HK close en seies K s s 3 W W esignation 114K HK K HK K HK K HK K HK HK HK K HK HK HK K HK HK HK K HK HK HK HK HK HK HK5520 w HK 3 min. s min. Loa Ratings kn Spee limit ynamic Static min -1 0 Gease Oil K Intenal ing JR25X30X JR25X30X JR25X30X JR25X30X JR25X30X JR25X30X JR25X30X JR25X30X JR30X35X JR30X35X JR30X35X JR35X40X17 114JR35X40X JR35X40X JR40X45X17 114JR40X45X JR40X45X JR45X50X JR45X50X JR45X55X , JR50X60X20 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com 65

14 age neele bushes with seal seies HK...RS, K...RS, HK...2RS s s s 3 W W W HK RS K RS HK.2RS esignation 114HK1214RS 114HK12162RS 114K1414RS 114HK1414RS 114HK14162RS 114K1514RS 114HK1514RS 114HK15162RS 114HK1614RS 114HK16162RS 114HK1814RS 114HK18162RS 114HK20162RS 114HK2018RS 114HK20202RS 114HK22162RS 114HK2218RS 114HK22202RS 114HK25162RS 114HK2518RS 114HK25202RS 114HK2522RS 114HK25242RS 114HK0810RS 114HK1012RS Loa Ratings kn Spee limit 3 min. s min. min ynamic Static 0 Gease w Intenal ing 114JR10X14X16 114JR10X14X20 114JR12X15X JR12X15X JR12X15X JR12X16X16 114JR12X16X20 114JR15X18X JR15X18X JR17X20X JR17X20X JR17X20X JR17X22X23 114JR17X22X23 114JR20X25X17 114JR20X25X JR20X25X JR20X25X26 114JR20X25X26 66 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

15 age neele bushes with seal seies HK...RS, K...RS, HK...2RS s s s 3 W W W HK RS K RS HK.2RS esignation HK30162RS 114HK3018RS 114HK30202RS 114HK3022RS 114HK30242RS 114HK35162RS 114HK3518RS 114HK35202RS 114HK40162RS 114HK4018RS 114HK40202RS 114HK4518RS 114HK45202RS 114HK5022RS 114HK50242RS 114HK28202RS Loa Ratings kn Spee limit w 3 min. s min. min ynamic Static 0 Gease Intenal ing 114JR22X28X JR25X30X17 114JR25X30X JR25X30X JR25X30X26 114JR25X30X26 114JR30X35X17 114JR30X35X JR30X35X JR35X40X20 114JR35X40X JR35X40X JR40X45X JR40X45X JR45X50X JR45X50X255 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com 67

16 Intenal ings fo neele bushes When it is impactical to meet the shaft aceway esign equiements (haness, suface finish, case epth, etc.) outline in the engineeing section of this catalogue, stana inne ings may be use. Inne ings ae mae of olling beaing steel an afte haening, thei boes, aceways an en sufaces ae goun. Inne ings may be use to povie inne aceway sufaces fo aial neele olle an cage assemblies, neele olle beaings an neele bushes. The extene inne ings ae suitable fo use with beaings containing lip contact seals an fo applications in which axial movement may be pesent. ONSTRUTION Inne ings ae available in fou basic esigns an iffe only by the chamfes at the ens of the aceway sufaces, the lubicant access holes an the aceway pofile. Inne ings of seies JR have chamfes to assist in beaing installation but ae without lubicating holes. Inne ings of seies JR.JS1 have beaing installation chamfes an lubicating holes (boe iametes 5 to 50 ). Inne ings of seies JRZ.JS1 ae without installation chamfes, allowing fo maximum possible aceway contact. IMENSIONAL AURAY The toleances of size, fom, an unout fo inne ings meet the equiements of ISO nomal toleance class fo aial beaings (see tables at the en of the catalogue). Most inne ings ae pouce with outsie iamete aceway toleance in accoance with h5 which, in most cases, is suitable fo combining the neele olle beaings to give the nomal cleaance class, an fo use with neele bushes. Othe aceway toleances may also be foun on inne ings fo combining with neele olle beaings to give one of the cleaance equiement. MOUNTING O INNER RINGS Inne ings may be mounte on the shaft with eithe a loose tansition fit o an intefeence fit. These fits use in conjunction with the pope fit of the beaing oute ing, will povie the coect opeating cleaances fo most applications. Regaless of the fit of the inne ing on the shaft, the inne ing shoul be axially locate by shaft shoules o othe positive means. The shaft shoule iamete ajacent to the inne ing must not excee the inne ing outsie iamete. When inne ings ae to be use with the neele olle beaings, appopiate shaft toleances shoul be selecte fom table 3 on page 94 in the neele beaing section. When inne ings ae to be use with neele bushes the suggeste shaft toleances ae given in the Raial play paagaph on page 57 of the Neele bushes section of this catalogue. SEALING RINGS Sealing ings seies H, tabulate on pages 191 to 193 ae of a small coss section suitable fo use with neele bushes. They povie a cost effective an compact constuction in applications using gease lubication. ONSTRUTION Sealing ings seies H compise of a steel angle casing on the outsie an a mole nitile ubbe sealing element containing the sealing lip. These seals have an opeating tempeatue ange of -20 to MOUNTING O LIP ONTAT SEALS It is geneally sufficient to pess the seal into its peetemine position. Axial locating evices ae not equie fo the seals in nomal cicumstances. The shaft suface on which the seal is to un must be haene an pefeably plunge goun to a smooth finish, fee fom bus, nicks o scatches which may amage the sealing lip. The en of the shaft shoul be chamfee o oune to pevent lip amage an to ease installation. It is also ecoene to apply a coating of a suitable lubicant on the shaft befoe mounting the seal. 68 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

17 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR5X8X8JS1 114JR5X8X12 114JR5X8X16 114JR6X9X8JS1 114JR6X9X12 114JR6X9X16 114JR6X10X10 114JR6X10X10JS1 114JRZ6X10X12JS1 114JR7X10X JR7X10X12 114JR7X10X16 114JR8X12X10 114JR8X12X10JS1 114JR8X12X JRZ8XL2X12JS1 114JR8X12X JR8X12X16 114JR9X12X12 114JR9X12X16 114JR10X13X JR10X14X11JS1 114JR10X14X12 114JR10X14X12JS1 114JR10X14X13 114JRZ10X14X14JS1 114JR10X14X16 114JR10X14X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

18 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR12X15X JR12X15X16 114JR12X15X JR12X15X JR12X15X JR12X16X12 114JR12X16X12JS1 114JR12X16X13 114JRZ12X16X14JS1 114JR12X16X16 114JR12X16X20 114JR12X16X22 114JR15X18X JR15X19X16 114JR15X19X20 114JR15X20X12 114JR15X20X12JS1 114JR15X20X13 114JRZ15X20X14JS1 114JR15X20X16 114JR15X20X20 114JR15X20X23 114JR15X20X26 114JR14X17X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

19 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR17X20X JR17X20X20 114JR17X20X JR17X20X JR17X21X16 114JR17X21X20 114JR17X22X13 114JR17X22X16 114JR17X22X16JS1 114JRZ17X22X16JS1 114JR17X22X20 114JR17X22X23 114JR17X22X26 114JR17X22X32 114JR20X24X16 114JR20X24X20 114JR20X25X16 114JR20X25X16JS1 114JR20X25X17 114JRZ20X25X18JS1 114JR20X25X20 114JR20X25X JR20X25X26 114JR20X25X JR20X25X30 114JR20X25X32 114JR20X25X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

20 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR22X26X16 114JR22X26X20 114JR22X28X17 114JR22X28X JR22X28X30 114JR25X29X20 114JR25X29X30 114JR25X30X16 114JR25X30X16JS1 114JR25X30X17 114JRZ25X30X18JS1 114JR25X30X20 114JR25X30X JR25X30X26 114JR25X30X JR25X30X30 114JR25X30X32 114JR25X30X JR28X32X17 114JR28X32X20 114JR28X32X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

21 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR30X35X16 114JR30X35X17 114JRZ30X35X18JS1 114JR30X35X20 114JRZ30X35X20JS1 114JR30X35X JR30X35X26 114JR30X35X30 114JR30X35X32 114JR30X38X20JS1 114JR32X37X20 114JR32X37X30 114JR32X40X20 114JR32X40X36 114JR35X40X17 114JR35X40X20 114JR35X40X JR35X40X22 114JR35X40X30 114JR35X40X34 114JR35X40X40 114JR35X42X20 114JR35X42X20JS1 114JRZ35X42X23JS1 114JR35X42X36 114JR35X44X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

22 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation JR38X43X20 114JR38X43X JR40X45X17 114JR40X45X20 114JR40X45X JR40X45X25 114JR40X45X30 114JR40X45X JR40X45X40 114JR40X48X22 114JRZ40X48X23JS1 114JR40X48X40 114JR40X50X20 114JR42X47X20 114JR42X47X JR45X50X20 114JR45X50X25 114JR45X50X JR45X50X35 114JR45X50X40 114JR45X52X22 114JR45X52X JRZ45X52X23JS1 114JR45X52X40 114JR45X55X20 114JR45X55X20JS1 114JR45X55X22 114JR45X55X40 114JR37X42X20 s min Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

23 Intenal ings fo neele bushes JR JR.JS1 JRZ.JS1 esignation s min JR50X55X20 114JR50X55X25 114JR50X55X35 114JR50X55X40 114JR50X58X22 114JRZ50X58X23JS1 114JR50X58X40 114JR50X60X20 114JR50X60X20JS1 114JR50X60X25 114JR50X60X40 114JR55X60X25 114JR55X60X Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

24 Polígono Inutial O Rebullón s/n Mos - España - oavigo@oavigo.com

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