>> P.79
Load/vibrationIfbearingsareincorrectlyinsertedintotheshaftandhousing,brinellingwillresult.Frettingcorrosionmayalsoresultfromvibrationonassemblylines,etc.Roughhandlingwhenmovingfromonecontainertoanothercanleadbearingstoimpactoneanother,dentingtheirshieldplates.•Whenpress-fittingintotheshaft,push•Whenpress-fittingintothehousing,pushtheinnerring(Fig.18-2)Whenpress-fittingthebearingintotheshaft,pushtheinnerringend.Iftheouterringendispushed,brinellingwillresult.theouterring(Fig.18-2)Whenpress-fittingthebearingintothehousing,pushtheouterringend.Iftheinnerringendispushed,brinellingwillresult.LoadtoouterringLoadtoinnerringLoadtoinnerringLoadtoouterringFig.18-2Loadpositionwhenpress-fitting•Insertstraight(Fig.18-3)Useasuitablejigtoinsertstraight.Ifinserteddiagonally,seizingscratchesmayresultontheshaftandhousing,leadingtoworsenedroundnessduetomisalignment(assemblyprecisiondefects)orscratchescausedbytheinterferenceofmetalpowder.CentermisalignmentInclination•Vibration(beltconveyorvibration,etc.)GoodFig.18-3.HandlingduringinsertionWhenusingabeltconveyortotransportbearings,etc.,reducethevibrationtransmittedtothebearings.Slightvibrationtransmittedtonon-rotatingbearingswillresultinfrettingcorrosion.Fordetails,seep.82ofthiscatalog.79