|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1337-7:2001TheEuropeanStandardEN1337-7:2000hasthestatusofaBritishStandardICS91.010.30;93.040NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWStructuralbearingsÐPart7:SphericalandcylindricalPTFEbearingsThisBritishStandard,havingbeenpreparedunderthedirectionoftheSectorCommitteeforBuildingandCivilEngineering,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15February2001©BSI02-2001ISBN058036965XBSEN1337-7:2001AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1337-7:2000.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeB/522,Structuralbearings,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to26,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1337-7December2000ICS91.010.30EnglishversionStructuralbearings-Part7:SphericalandcylindricalPTFEbearingsAppareilsd'appuistructuraux-Partie7:Appareilsd'appuicylindriquesetsphériquescomportantduPTFELagerimBauwesen-Teil7:Kalotten-undZylinderlagermitPTFEThisEuropeanStandardwasapprovedbyCENon18November2000.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2000CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1337-7:2000EPage2EN1337-7:2000ContentsForeword3Introduction41Scope52Normativereferences53Termsanddefinitions,symbolsandabbreviations54Functionalrequirements105Materialproperties106Designrequirements107Manufacturing,assemblyandtolerances138Conformityevaluation13AnnexA(informative)MethodforcalculatingtheeccentricitiesinsphericalandcylindricalPTFEbearings14AnnexB(informative)Reducedareaforcurvedslidingsurfaces16AnnexZA(informative)ProvisionsfortheCEmarkingofcylindricalandsphericalPTFEbearings(withorwithoutflatslidingelements)undertheEUConstructionProductsDirective19Page3EN1337-7:2000ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC167Structuralbearings,thesecretariatofwhichisheldbyUNI.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyJune2001,andconflictingnationalstandardsshallbewithdrawnatthelatestbyJune2001.ThisEuropeanStandardEN1337“Structuralbearings”,consistsofthefollowing11Parts:Part1:GeneraldesignrulesPart2:SlidingelementsPart3:ElastomericbearingsPart4:RollerbearingsPart5:PotbearingsPart6:RockerbearingsPart7:SphericalandcylindricalPTFEbearingsPart8:GuidebearingsandrestrainbearingsPart9:ProtectionPart10:InspectionandmaintenancePart11:Transport,storageandinstallationFurthertoCEN/TC167’sdecisionPart1and2formapackageofstandardsandtheycomeintoforcetogether,whiletheotherpartscomeintoforceseparatelyafterthepublicationofParts1and2.AnnexesA,BandZAareinformative.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.