>> P.457
K8Fig.5TotalslidingdistanceagainstcontactpressureofMaintenance-freesphericalbushings■LubricationSteel-on-steelSphericalBushingsrequireperiodicgreaselubricationasageneralrule.Duringinitialoperation,itisrecommendedtoshortenthelubrica-tioninterval.Lithiumsoapbasedgrease(NLGIcon-sistencyNo.2)containingmolybdenumdisulfide(MoS2)iswidelyusedasthelubricationgrease.ForMaintenance-freeSphericalBushings,lubricationisnotrequired.However,supplyinglithiumsoapbasedgreasebeforeoperationcanextendthelifeoftheSphericalBushing.Also,toprotectthebearingfromforeignsubstancesandcorrosion,itiseffectivetofilltheareaaroundthebearingwithgrease.■OilHoleThenumberofoilholesoninnerandouterringsisshowninTable15.Table15NumberofoilholesoninnerandouterringsBushingtype0220Steel-on-steelSphericalBushingsMetricseriesGE…GE…SB,SB…AGE…S,GE…GSSBBGE…ECInchseriesMaintenance-freeSphericalBushingsMetricseriesNumberofoilholesoninnerandouterringsRemark Typeswithoilholesarealsoprovidedwithoilgroovesoninnerandouterrings.ContactpressureTotalslidingdistance12510100203040506070809010010320501002005001000×SNmmm/2pK
| < 
| 
> | 
>>
