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Highstrength,weldedretainerprovidesexcellentheatresistancewhileallowingmaximumgreasevolumeforincreasedbearingservicelife.
Patented Seal Technology – Apatented,laminaroutboard
sealingringisthefirstlineofdefenseagainstbearingdamagecausedbycontamination.
Aheattreatedductileironoutercapprovidesmaximumprotectionfromabrasioncausedbyasphaltmixes.
Extended Service Life –Thebearingemploysatriplebarriertooutside
Timken®Fafnir®paverbearingsbringsuperiorperformancetopavingcontractorswhoneedtokeeptheirequipmentonthejob.Thiscompleteengineeredsolutiondeliverstheextendedserviceandprovenreliabilitytohelpdriveproductivityandefficiency.
Timken’sFafnirbrandisaleadingnameforwideinnerringballbearingsandhousedunitsforcriticalapplications.OurengineeringandapplicationstrengthshavecreatedarobustseriesofTimkenFafnirpaverbearingswithoutstandingperformanceandvalue.
Timken®Fafnir®ballbearingsstanduptothetoughestpavingconditions,fromextremetemperaturestoabrasivecontamination.Theirrobustdesigncombinesapatentedsealingsystemwithauniquepackageoffeaturesandmaterials–allspecificallyengineeredfordemandingpavingapplications.
System Solution Benefits
Maximum Performance –Thisengineeredpackageofcarefullyselectedmaterialsanduniquedesignfeaturescombinetodelivercompletelyreliableoperationforpavingapplications.Thedurabledesignincludesapatentedsetofoutersealsformaximumprotectionagainstheatanddamagefromasphaltandothercontaminants.
Optimized Bearing Design – Acasecarburizedinnerring
enablesincreasedresistancetoforeigndebris.
Thermalexpansionismanagedusinganincreasedinternalclearance.
Timken® Fafnir® Paver Bearings Fact Sheet
contaminantsanddebrisusingthreelayersofcomponentsselectedfortheirspecializedroleinprotectionfromheatandasphalt.
Minimized Downtime –Proven,reliabledesignallowscontinuousoperationthroughouttheentirepavingseason,eliminatingunscheduledbearingreplacementandcostlyprojectdelays.
Component Feature Benefit
OutboardShaftSeal Hardenedlaminarsealrings Sealringscloseoffbearingfromasphaltcontamination
HousingCap Heattreatedductileiron Hardenedironcaptoprotectagainstasphaltabrasion
InboardFlinger Rotatingsteelflinger Rotatingshieldforadditionalsealingprotection
BearingSeal Composite3-pc.sealusinghightemperatureViton®polymer
FrontsteelcapoffersprotectionforViton®seallipfromparticlecontaminants;rearsteelcappreventssealinversion
Lubrication Hightemperaturesyntheticgrease
Hightemperature,syntheticgreasesuitableto450°F
Retainer Highstrengthweldedsteel Excellenthightemperatureresistance;providesmaximumgreasefillingvolume
InnerRing Carburizedsteel Carburizingprovidesincreasedfatigueresistanceandhardsealridingsurface
ShaftLockingDesign
90°setscrewpatternwithhightemperaturenylonpatch
90°setscrewangleprovidesmaximumlockingstrength;nylonpatchpreventslooseningofsetscrewduringoperation
BearingInternalClearance
Loosefit(C3) Increasedclearancetohandlethermalexpansion,reducingoverallbearingstresslevels
ClampingScrews 1/4-20x3/4”,3perside Largersocketheadcapscrewssecurelyfastenendcapstohousing
U.S. Patent #: 6,250,813
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Timken® is the registered trademark of The Timken Company.
© 2006 The Timken CompanyPrinted in U.S.A.01-07-29
www.timken.com
Leading Edge Technology Features for the Paving MarketKey Paver Bearing Features
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