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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