轴承座-选型指导

OverhungLoadAdaptors(BearingBlocks)VonRudenManufacturing,Inc.Phone:[phone]Fax:[phone]:11/04Page:1VONRUDENOVERHUNGLOADADAPTORS(BEARINGBLOCKS)Bodiesaremadeofquality35,000tensilestrengthcastironmaterialfordependability.Allmodelsaredrilledwithcorrectholesformounting(SAEorIndustryStandard)using2or4boltflanges.Basesaremachined,drilledandthreadedforfootmountingoneverystandardmodel.Featurestomakeinstallationanddesigningeasierforyou.Qualityhighspeedballbearingsareusedonallsmallerunits.Heavydutytaperedrollerbearingswillgiveperformance,durabilityforsmoothoperationandlonglifeonlargerunitsgivingtheassuranceofsolidperfor-manceforyouoryourcustomers.Allstandardshaftsuse4140steelfortroublefreeoperation.Inputshaftsareinsizesfromthemini-series.626inches[15,90mm]totheSAEC-C1.750inches[44,45mm].OutputshaftsareinsizesfromtheMini-Series.750inches[19,05mm]totheSAEC-C1.750inches[44,45mm].Splineshaftsforinputandoutputareavailableinseveralconfigurationsdependingonmodelsize.Hollowboreshaftsareavailableonseveralmodels.Instructionsformountingincluded.Painted.Gaskets/mountingsealsprovidedforinput.Seefollowingcatalogpagesforcompletedimensional,technical,operationalandmodelnumbersformakingyourselection.Note:Usersmustshieldallmovingpartsandfilleachwithaproperlubricant.SpecialsAvailableUponRequestVonRudenManufacturing,Inc.1008FirstStreetN.E.Buffalo,MN55313U.S.A.Phone:[phone]Fax:[phone]Internet:(BearingBlocks)VonRudenManufacturing,Inc.Phone:[phone]Fax[phone]:11/04Page:2TableofContentsSAE“A”2BoltwithStandardDutyBallBearingsSAE“A”2BoltwithHeavyDutyBallBearings4Boltwith2.5”PilotwithStandardDutyBallBearingsSAE“A”4BoltwithHeavyDutyTaperedBearingsSAE“B”2/4BoltwithHeavyDutyTaperedBearingsSAE“C”&“CC”2/4BoltwithHeavyDutyTaperedBearings9-1011-1213-1415-1617-187-8Usewithhydraulicmotorandpumpapplicationswithshaftdiametersupto1”indiameterand3.25”pilot.Usewithhigherloadsandlargershaftsupto1.25”indiameterand3.25”pilot.Forusewithlowspeedhightorquemotorsshaftsupto1”indiameterand1.75”pilot.Usewithhigherloadsandlargerinputshaftsupto1.25”indiameterand3.25”pilot.Usewithhydraulicmotorandpumpapplicationswithshaftdiametersupto1.25”indiameterand4.0”pilot.Usewithhydraulicmotorandpumpapplicationswithshaftdiametersupto1.75”indiameteranda5.0”pilot.Page#5-6MiniSeries2BoltwithStandardDutyBallBearingsUsewithhydraulicmotorandpumpapplicationswithshaftdiametersupto5/8”indiameterand2.5”pilot.3SelectingTheCorrectVonRudenOverhungLoadAdaptors(BearingBlocks)LubricationRequirementsForSpeed,TemperatureandMountingPositions419-20OverhungLoadAdaptors(BearingBlocks)VonRudenManufacturing,Inc.Phone:[phone]Fax:[phone]:11/04Page:3SELECTINGTHECORRECTVONRUDENOVERHUNGLOADADAPTOR(BEARINGBLOCK)BearingLifeRatings(L10)RatingLife,L10,isthelifethat90percentofagroupofapparentlyidenticalbearingswillcompleteorexceedbeforereachingadefinedfailurecriteria.Theaveragebearinglifecanreach4to5timestheL10life.Theunitoflifeisexpressedinhours.Lubricantsand/orlubricatingsystemsasrecommendedbyTimkenEngineeringJournal.Considerationswhendoingyourcalculationandapplicationdesign.WhenyoudoubletheSPEED,lifeisreducedbyone-half,reducingSPEEDone-halfdoublesthelife.DoubletheLOAD,lifeisreducedtoabout1/10th,reduceLOAD1/2andlifeincreasestentimes.Grease:Lubricationmaybeusedforcontinuousbearingspeedsupto2,500FPM[762MPM]ribspeed.Greaselubricationhasverylimitedcapacitytodissipateheat.Itisalsodifficulttoprovideacontinuoussupplyoflubricanttotheroller-ribcontactathighspeedoperation.StaticOil:Thismethodoflubricationisusedsuccessfullyforspeedsupto3,500FPM[1,067MPM]ribspeed.Increasedcontactoflubricantwiththehousingresultsinanimprovedmeansofdissipatingheatovergreaselubrication.ForcedFeedOilSystems:Bearingspeedsabove5,000FPM[1,524MPM]ribspeedgenerallyrequireacirculatingoilsystem.Becausecentrifugalforcestendtostarvetheroller-ribcontactareaoflubricant.Themainproblemwithrunningfasterisgettinglubricanttowhereitisneeded.1.Selectthecorrectflangesize,fromSAEorotherindustrystandardstylesshowninthiscatalog.(Forstylesnotshowninthiscatalog,callVONRUDENforspecialunits).HP=TransmittedhorsepowerN=RPMofshaftonadapterR=Radiusofsprocket,pulleyorgearininchesF=Loadconnectionfactor(drives)1.0Singlechains1.10Timingbelts1.25Allgearsordoublechains2.5FlatBeltsOHL(LBS)=63,025xHPxFNxROHLOverhungLoadAdaptors(BearingBlocks)VonRudenManufacturing,Inc.Phone:[phone]Fax:[phone]:11/04Page:4Lubricationrequirementsforspeedsandtemperatures.AllOverhungLoadAdaptors(BearingBlocks)AreShippedWithoutLubrication.Speedsunder1800RPM,usebearinggrease,80/90wt.oilorcirculatinglubeoilsystem.Speeds1800or2400RPM,uselowviscosityoilorcirculatinglubeoilsystem.Speedsover2400RPMrequirecirculatinglubeoilsystemsandpossiblecoolers.LUBRICATIONREQUIREMENTSFORSPEED,TEMPERATUREANDMOUNTINGPOSITIONS.AmbientTemperatureLubricant(-20°Fto0°F)MobileSuper10W-30(0°Fto40°F)MobilelubeHD80W-90(40°F100°F)MobilelubeHD80W-90(100°Fto150°F)Mobilel