{"product_id":"husqvarna-539100488-cast-flange-bearing-genuine-oem-replacement-bearing","title":"Husqvarna 539100488 Cast Flange Bearing – Genuine OEM Replacement Bearing","description":"\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\" dir=\"auto\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 539100488\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Lawn Mower, Zero-Turn Mower \u0026amp; Mechanical Bearing Components\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Cast Flange Bearing – Genuine OEM Replacement Bearing\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 539100488 Cast Flange Bearing\u003c\/strong\u003e is a genuine OEM replacement mechanical bearing component designed for select \u003cstrong\u003eHusqvarna lawn mowers, zero-turn mowers, and compatible outdoor power equipment\u003c\/strong\u003e. This bearing is used within applicable rotating or pivoting assemblies to provide support, maintain alignment, and help reduce friction between moving components.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 539100488\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Cast Flange Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Description:\u003c\/strong\u003e Bearing, Flange Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Description:\u003c\/strong\u003e Flange Bearing \/ Cast Bearing \/ Flanged Shaft Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Mechanical Bearing \u0026amp; Shaft Support Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Outdoor Power Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Application:\u003c\/strong\u003e Lawn Mower \/ Zero-Turn Mower – Model Dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Mechanical \/ Drive \/ Support Assembly – Application Dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Supports and Aligns the Applicable Rotating Shaft or Mechanical Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Flanged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Style:\u003c\/strong\u003e Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Model and Assembly Dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssociated Components:\u003c\/strong\u003e Shaft \/ Mounting Hardware \/ Bracket \/ Drive Components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Type:\u003c\/strong\u003e Direct OEM Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Status:\u003c\/strong\u003e Genuine Husqvarna OEM Part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Cast Flange Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number Reference:\u003c\/strong\u003e 539100488\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Number Format:\u003c\/strong\u003e 539 10 04-88\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Husqvarna OEM replacement bearing\u003c\/li\u003e\n\u003cli\u003eFactory-designated \u003cstrong\u003ecast flange bearing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated flange-style mounting configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Husqvarna equipment\u003c\/li\u003e\n\u003cli\u003eSupports the applicable rotating shaft or mechanical assembly\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper shaft positioning\u003c\/li\u003e\n\u003cli\u003eHelps reduce friction between moving components\u003c\/li\u003e\n\u003cli\u003eSupports smooth mechanical movement\u003c\/li\u003e\n\u003cli\u003eApplication-specific OEM dimensions\u003c\/li\u003e\n\u003cli\u003eCast construction for equipment applications\u003c\/li\u003e\n\u003cli\u003eHelps maintain the original equipment configuration\u003c\/li\u003e\n\u003cli\u003eSuitable for replacing noisy, loose, seized, or damaged bearings\u003c\/li\u003e\n\u003cli\u003eDirect replacement for equipment specifying \u003cstrong\u003e539100488\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGenuine OEM component rather than an unspecified universal flange bearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFlange Bearing Function\u003c\/h2\u003e\n\u003cp\u003eA flange bearing combines a bearing assembly with a mounting flange.\u003c\/p\u003e\n\u003cp\u003eThe bearing portion supports a rotating shaft, while the flange provides a means of locating and securing the bearing to the surrounding equipment structure.\u003c\/p\u003e\n\u003cp\u003eDepending on the specific application, the \u003cstrong\u003e539100488\u003c\/strong\u003e can help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupport a rotating shaft\u003c\/li\u003e\n\u003cli\u003eMaintain shaft alignment\u003c\/li\u003e\n\u003cli\u003eReduce friction\u003c\/li\u003e\n\u003cli\u003eControl radial movement\u003c\/li\u003e\n\u003cli\u003eMaintain component positioning\u003c\/li\u003e\n\u003cli\u003eProvide a stable mounting point\u003c\/li\u003e\n\u003cli\u003eSupport smooth mechanical operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact function depends on the equipment model and assembly in which the bearing is installed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCast Flange Design\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e539100488\u003c\/strong\u003e uses a cast flange-style configuration.\u003c\/p\u003e\n\u003cp\u003eA cast housing provides a rigid structural mounting point around the bearing and can help maintain alignment under the loads encountered during equipment operation.\u003c\/p\u003e\n\u003cp\u003eThe flange portion allows the assembly to be secured to the applicable:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrame\u003c\/li\u003e\n\u003cli\u003eBracket\u003c\/li\u003e\n\u003cli\u003eSupport structure\u003c\/li\u003e\n\u003cli\u003eDrive assembly\u003c\/li\u003e\n\u003cli\u003eMechanical housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCorrect mounting and alignment are important for proper bearing service life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBearing \u0026amp; Shaft Relationship\u003c\/h2\u003e\n\u003cp\u003eA bearing supports the shaft while allowing it to rotate with reduced friction.\u003c\/p\u003e\n\u003cp\u003eThe mechanical relationship can generally be represented as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquipment Structure → Flange Bearing → Rotating Shaft → Driven Component\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the bearing becomes excessively worn, the shaft may develop unwanted movement.\u003c\/p\u003e\n\u003cp\u003eThis can affect other components connected to the shaft.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportance of Proper Shaft Alignment\u003c\/h2\u003e\n\u003cp\u003eCorrect shaft alignment helps prevent excessive loads from being placed on the bearing.\u003c\/p\u003e\n\u003cp\u003eMisalignment can contribute to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremature bearing wear\u003c\/li\u003e\n\u003cli\u003eExcessive vibration\u003c\/li\u003e\n\u003cli\u003eShaft wear\u003c\/li\u003e\n\u003cli\u003eIncreased operating temperature\u003c\/li\u003e\n\u003cli\u003eNoise\u003c\/li\u003e\n\u003cli\u003eBinding\u003c\/li\u003e\n\u003cli\u003eDamage to surrounding components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen replacing \u003cstrong\u003e539100488\u003c\/strong\u003e, inspect the complete mounting area rather than replacing the bearing without checking the associated shaft.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Reasons for Replacement\u003c\/h2\u003e\n\u003cp\u003eReplacement of the \u003cstrong\u003e539100488 Cast Flange Bearing\u003c\/strong\u003e may be appropriate if the original bearing has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped excessive play\u003c\/li\u003e\n\u003cli\u003eBecome noisy\u003c\/li\u003e\n\u003cli\u003eStarted grinding\u003c\/li\u003e\n\u003cli\u003eBecome rough during rotation\u003c\/li\u003e\n\u003cli\u003eBegun binding\u003c\/li\u003e\n\u003cli\u003eSeized\u003c\/li\u003e\n\u003cli\u003eDeveloped corrosion\u003c\/li\u003e\n\u003cli\u003eSustained impact damage\u003c\/li\u003e\n\u003cli\u003eDeveloped excessive internal wear\u003c\/li\u003e\n\u003cli\u003eBecome loose within its housing\u003c\/li\u003e\n\u003cli\u003eDeveloped damaged mounting points\u003c\/li\u003e\n\u003cli\u003eBeen contaminated with dirt or debris\u003c\/li\u003e\n\u003cli\u003eReached the end of its normal service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePossible Signs of Bearing Wear\u003c\/h2\u003e\n\u003cp\u003eA worn or damaged flange bearing may contribute to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGrinding noises\u003c\/li\u003e\n\u003cli\u003eSquealing\u003c\/li\u003e\n\u003cli\u003eRattling\u003c\/li\u003e\n\u003cli\u003eExcessive vibration\u003c\/li\u003e\n\u003cli\u003eRough shaft rotation\u003c\/li\u003e\n\u003cli\u003eShaft wobble\u003c\/li\u003e\n\u003cli\u003eExcessive side-to-side movement\u003c\/li\u003e\n\u003cli\u003eBinding\u003c\/li\u003e\n\u003cli\u003eIncreased operating resistance\u003c\/li\u003e\n\u003cli\u003eAbnormal component movement\u003c\/li\u003e\n\u003cli\u003eAccelerated wear of associated parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese symptoms can also result from damaged shafts, pulleys, hubs, brackets, or other mechanical components.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBearing Inspection\u003c\/h2\u003e\n\u003cp\u003eInspect the original bearing for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRoughness\u003c\/li\u003e\n\u003cli\u003eBinding\u003c\/li\u003e\n\u003cli\u003eExcessive play\u003c\/li\u003e\n\u003cli\u003eCorrosion\u003c\/li\u003e\n\u003cli\u003eCracks\u003c\/li\u003e\n\u003cli\u003eHeat discoloration\u003c\/li\u003e\n\u003cli\u003eDamaged housing\u003c\/li\u003e\n\u003cli\u003eLoose mounting points\u003c\/li\u003e\n\u003cli\u003eAbnormal wear\u003c\/li\u003e\n\u003cli\u003eContamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRotate the applicable assembly by hand when safe and appropriate. Movement should be smooth without excessive resistance, grinding, or abnormal looseness.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eShaft Inspection\u003c\/h2\u003e\n\u003cp\u003eWhenever replacing \u003cstrong\u003e539100488\u003c\/strong\u003e, inspect the associated shaft for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScoring\u003c\/li\u003e\n\u003cli\u003eGrooves\u003c\/li\u003e\n\u003cli\u003eCorrosion\u003c\/li\u003e\n\u003cli\u003eBending\u003c\/li\u003e\n\u003cli\u003eCracks\u003c\/li\u003e\n\u003cli\u003eExcessive wear\u003c\/li\u003e\n\u003cli\u003eHeat discoloration\u003c\/li\u003e\n\u003cli\u003eDamaged bearing surfaces\u003c\/li\u003e\n\u003cli\u003eExcessive mechanical play\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA worn shaft can prevent a new bearing from fitting or operating correctly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMounting Surface Inspection\u003c\/h2\u003e\n\u003cp\u003eInspect the bearing mounting area for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCracks\u003c\/li\u003e\n\u003cli\u003eDistortion\u003c\/li\u003e\n\u003cli\u003eCorrosion\u003c\/li\u003e\n\u003cli\u003eBent brackets\u003c\/li\u003e\n\u003cli\u003eDamaged mounting holes\u003c\/li\u003e\n\u003cli\u003eLoose hardware\u003c\/li\u003e\n\u003cli\u003eMisalignment\u003c\/li\u003e\n\u003cli\u003eDebris buildup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe flange must mount securely and correctly to maintain proper bearing alignment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMounting Hardware\u003c\/h2\u003e\n\u003cp\u003eCheck applicable bearing mounting hardware for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDamaged threads\u003c\/li\u003e\n\u003cli\u003eBent bolts\u003c\/li\u003e\n\u003cli\u003eMissing washers\u003c\/li\u003e\n\u003cli\u003eLoose nuts\u003c\/li\u003e\n\u003cli\u003eCorrosion\u003c\/li\u003e\n\u003cli\u003eIncorrect hardware\u003c\/li\u003e\n\u003cli\u003eElongated mounting holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLoose mounting hardware can allow the bearing housing to shift during operation and contribute to premature wear.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLubrication Considerations\u003c\/h2\u003e\n\u003cp\u003eBearing lubrication requirements depend on the specific bearing design and equipment application.\u003c\/p\u003e\n\u003cp\u003eSome bearing assemblies may be permanently lubricated, while others can use serviceable lubrication provisions.\u003c\/p\u003e\n\u003cp\u003eFollow the maintenance instructions for the exact equipment model.\u003c\/p\u003e\n\u003cp\u003eDo not automatically apply grease, penetrating oil, or another lubricant unless it is appropriate for the bearing design.\u003c\/p\u003e\n\u003cp\u003eExcessive or incompatible lubricant can attract contamination or damage certain bearing components.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDirt \u0026amp; Contamination\u003c\/h2\u003e\n\u003cp\u003eOutdoor power equipment operates in environments containing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGrass clippings\u003c\/li\u003e\n\u003cli\u003eDust\u003c\/li\u003e\n\u003cli\u003eSoil\u003c\/li\u003e\n\u003cli\u003eMoisture\u003c\/li\u003e\n\u003cli\u003eSand\u003c\/li\u003e\n\u003cli\u003eOrganic debris\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContamination can accelerate bearing wear.\u003c\/p\u003e\n\u003cp\u003eKeep the surrounding bearing area reasonably clean and inspect protective components for damage whenever the bearing is serviced.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Components to Inspect\u003c\/h2\u003e\n\u003cp\u003eWhen replacing \u003cstrong\u003e539100488\u003c\/strong\u003e, inspect applicable surrounding components including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShaft\u003c\/li\u003e\n\u003cli\u003eBrackets\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003cli\u003ePulleys\u003c\/li\u003e\n\u003cli\u003eHubs\u003c\/li\u003e\n\u003cli\u003eSpacers\u003c\/li\u003e\n\u003cli\u003eRetainers\u003c\/li\u003e\n\u003cli\u003eWashers\u003c\/li\u003e\n\u003cli\u003eDrive components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA failed bearing can sometimes cause secondary wear to these components.\u003c\/p\u003e\n\u003cp\u003eLikewise, a bent or damaged surrounding component can cause a replacement bearing to fail prematurely.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Considerations\u003c\/h2\u003e\n\u003cp\u003eBefore replacing \u003cstrong\u003e539100488\u003c\/strong\u003e:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePark the equipment on a flat, stable surface.\u003c\/li\u003e\n\u003cli\u003eShut off the engine.\u003c\/li\u003e\n\u003cli\u003eRemove the ignition key where applicable.\u003c\/li\u003e\n\u003cli\u003eAllow the equipment to cool.\u003c\/li\u003e\n\u003cli\u003eDisconnect the spark plug or battery as appropriate.\u003c\/li\u003e\n\u003cli\u003eLocate the bearing using the applicable OEM parts diagram.\u003c\/li\u003e\n\u003cli\u003eNote the original bearing orientation.\u003c\/li\u003e\n\u003cli\u003eRemove components necessary to access the bearing.\u003c\/li\u003e\n\u003cli\u003eSupport the associated shaft or assembly where necessary.\u003c\/li\u003e\n\u003cli\u003eRemove the bearing mounting hardware.\u003c\/li\u003e\n\u003cli\u003eRemove the original bearing.\u003c\/li\u003e\n\u003cli\u003eInspect the shaft and mounting surface.\u003c\/li\u003e\n\u003cli\u003ePosition the new \u003cstrong\u003e539100488 Cast Flange Bearing\u003c\/strong\u003e correctly.\u003c\/li\u003e\n\u003cli\u003eInstall the mounting hardware.\u003c\/li\u003e\n\u003cli\u003eVerify proper alignment.\u003c\/li\u003e\n\u003cli\u003eReinstall associated shaft and drive components.\u003c\/li\u003e\n\u003cli\u003eConfirm smooth movement before returning the equipment to operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Tips\u003c\/h2\u003e\n\u003cp\u003eDuring installation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep the shaft and bearing surfaces clean\u003c\/li\u003e\n\u003cli\u003eAvoid striking the bearing unnecessarily\u003c\/li\u003e\n\u003cli\u003eDo not force the bearing onto a damaged shaft\u003c\/li\u003e\n\u003cli\u003eMake sure the flange sits correctly against its mounting surface\u003c\/li\u003e\n\u003cli\u003eKeep the bearing aligned during installation\u003c\/li\u003e\n\u003cli\u003eDo not distort the housing through uneven mounting\u003c\/li\u003e\n\u003cli\u003eTighten hardware appropriately\u003c\/li\u003e\n\u003cli\u003eReinstall spacers and retainers in their original locations\u003c\/li\u003e\n\u003cli\u003eCheck shaft rotation after assembly\u003c\/li\u003e\n\u003cli\u003eVerify that surrounding components do not bind\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImproper installation can significantly reduce bearing life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with your exact equipment model, product number, serial number, and production revision before ordering.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003epart number 539100488\u003c\/strong\u003e directly with the applicable Husqvarna OEM illustrated parts documentation.\u003c\/li\u003e\n\u003cli\u003eThe component is identified as a \u003cstrong\u003eCast Flange Bearing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe exact installation location and mechanical function are equipment-model dependent.\u003c\/li\u003e\n\u003cli\u003eDo not assume every Husqvarna mower or zero-turn mower uses \u003cstrong\u003e539100488\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDo not select a replacement bearing solely by approximate outside dimensions.\u003c\/li\u003e\n\u003cli\u003eBearing bore, housing dimensions, flange configuration, mounting-hole pattern, load characteristics, and application must match.\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003e539100488\u003c\/strong\u003e as the primary fitment reference.\u003c\/li\u003e\n\u003cli\u003eDo not substitute a generic flange bearing unless all required specifications and fitment have been verified.\u003c\/li\u003e\n\u003cli\u003eInspect the associated shaft whenever replacing the bearing.\u003c\/li\u003e\n\u003cli\u003eReplace a severely scored, bent, or damaged shaft separately as necessary.\u003c\/li\u003e\n\u003cli\u003eInspect the bearing mounting surface for distortion.\u003c\/li\u003e\n\u003cli\u003eCheck all mounting hardware before reassembly.\u003c\/li\u003e\n\u003cli\u003eMake sure the bearing flange is seated correctly.\u003c\/li\u003e\n\u003cli\u003eVerify proper shaft alignment after installation.\u003c\/li\u003e\n\u003cli\u003eCheck for smooth rotation before operating the equipment.\u003c\/li\u003e\n\u003cli\u003eInvestigate excessive vibration or repeated bearing failure rather than repeatedly replacing the bearing alone.\u003c\/li\u003e\n\u003cli\u003eDo not modify, drill, grind, or reshape the bearing housing.\u003c\/li\u003e\n\u003cli\u003eFollow the equipment manufacturer's lubrication requirements.\u003c\/li\u003e\n\u003cli\u003eKeep the bearing area free of excessive grass, dirt, and debris accumulation.\u003c\/li\u003e\n\u003cli\u003eShut off the engine and prevent accidental starting before servicing mechanical components.\u003c\/li\u003e\n\u003cli\u003eIf equipment must be raised, support it securely with appropriately rated equipment.\u003c\/li\u003e\n\u003cli\u003eReinstall all guards and covers before returning the equipment to operation.\u003c\/li\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003eone Husqvarna 539100488 Cast Flange Bearing only\u003c\/strong\u003e unless otherwise specified. Shaft, pulleys, brackets, spacers, retainers, mounting hardware, and other associated components are sold separately unless explicitly included.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003eHusqvarna 539100488\u003c\/strong\u003e with your equipment's OEM parts documentation before ordering to ensure proper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":53753371394411,"sku":"539100488","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/539100488.jpg?v=1787323803","url":"https:\/\/generalsprayers.com\/products\/husqvarna-539100488-cast-flange-bearing-genuine-oem-replacement-bearing","provider":"GeneralSprayers","version":"1.0","type":"link"}