{"product_id":"royal-enfield-classic-bullet-thunderbird-rear-wheel-bearing-seal-kit-888080","title":"Royal Enfield Classic 350\/500, Bullet 350\/500 \u0026 Thunderbird Rear Wheel Bearing and Seal Kit – 888080 Genuine OEM","description":"\u003ch2\u003eGenuine Royal Enfield Rear Wheel Bearing, O-Ring \u0026amp; Grease Seal Kit – 888080\u003c\/h2\u003e\u003cp\u003eRoyal Enfield part \u003cstrong\u003e888080\u003c\/strong\u003e is an original rear-wheel bearing and seal maintenance kit for selected older \u003cstrong\u003edrum-brake\u003c\/strong\u003e rear-wheel hub and sprocket-carrier assemblies. It groups the bearing and sealing components used around the hub, helping a mechanic identify the correct replacement family without ordering from generic bearing dimensions alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant fitment point:\u003c\/strong\u003e this is not a universal kit for every Classic, Bullet, Electra or Thunderbird. Check the \u003cstrong\u003erear brake type, hub design and exact bearing\/seal part numbers\u003c\/strong\u003e before purchase. Models with a rear disc brake or later-generation chassis may have a different assembly.\u003c\/p\u003e\u003ch3\u003ePart identification\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit part number \/ MPN\u003c\/th\u003e\n\u003ctd\u003e888080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM description\u003c\/th\u003e\n\u003ctd\u003eBearing, O-Ring \u0026amp; Seal Kit – Rear Wheel Drum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eRear wheel \/ hub \/ sprocket-carrier area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit quantity ordered\u003c\/th\u003e\n\u003ctd\u003e1 genuine OEM kit under part number 888080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndividual quantities\u003c\/th\u003e\n\u003ctd\u003eRefer to original sealed kit contents; do not infer them from the wheel-assembly catalogue quantities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eOEM kit component references\u003c\/h3\u003e\u003cp\u003eThe genuine kit breakdown identifies the following \u003cstrong\u003efive different component part numbers\u003c\/strong\u003e. Each refers to a different bearing or sealing component; the list does not establish sealed-pack piece counts.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eSpecification \/ identification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e145553\/B\u003c\/td\u003e\n\u003ctd\u003eDouble-sided rubber-sealed bearing, 6005-series\u003c\/td\u003e\n\u003ctd\u003e25 × 47 × 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e146256\/A\u003c\/td\u003e\n\u003ctd\u003eRear hub \/ sprocket O-ring\u003c\/td\u003e\n\u003ctd\u003eConfirm original profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150324\/A\u003c\/td\u003e\n\u003ctd\u003e6203 sealed wheel bearing\u003c\/td\u003e\n\u003ctd\u003e17 × 40 × 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e141109\/1\u003c\/td\u003e\n\u003ctd\u003eGrease seal\u003c\/td\u003e\n\u003ctd\u003e25 × 40 × 7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e141113\/1\u003c\/td\u003e\n\u003ctd\u003eGrease seal\u003c\/td\u003e\n\u003ctd\u003e47.12 × 30.23 × 7 mm (catalogue description)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eDo not confuse the two bearing types:\u003c\/strong\u003e 145553\/B is the larger 6005-series double-sided sealed bearing (25 × 47 × 12 mm), while 150324\/A is the 6203 wheel bearing (17 × 40 × 12 mm). They fit different locations in the hub\/sprocket assembly and are not interchangeable. The two grease seals also have different specifications.\u003c\/p\u003e\u003ch3\u003eWhich Royal Enfield motorcycles use 888080?\u003c\/h3\u003e\u003cp\u003eThe following are older-generation rear-drum applications supported by genuine-parts catalogues. Select the model and rear-wheel hub, not just the motorcycle badge or engine size.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eFitment notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 350 UCE – rear drum\u003c\/td\u003e\n\u003ctd\u003eSupported by older UCE rear-wheel catalogue; verify hub part numbers and brake type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 500 EFI\/UCE – rear drum\u003c\/td\u003e\n\u003ctd\u003eSupported by older UCE rear-wheel catalogue; do not apply automatically to later rear-disc versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 350 UCE KS \/ ES – rear drum\u003c\/td\u003e\n\u003ctd\u003eSupported by UCE rear-wheel catalogue; verify current hub and seal revisions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 500 UCE \/ EFI – rear drum\u003c\/td\u003e\n\u003ctd\u003e888080 directly listed in Bullet 500 rear-wheel catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 350 UCE ES – rear drum\u003c\/td\u003e\n\u003ctd\u003eSupported by UCE rear-wheel catalogue; match wheel\/hub configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird Twinspark 350 \/ 500 – rear drum\u003c\/td\u003e\n\u003ctd\u003e888080 directly listed in Thunderbird rear-wheel drum catalogues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications requiring separate verification\u003c\/h3\u003e\u003cp\u003eEarlier\/pre-UCE Bullet drum-hub motorcycles, different year-specific wheel assemblies, and other Royal Enfield models may share individual bearing numbers. \u003cstrong\u003eSharing one bearing does not confirm 888080 kit fitment.\u003c\/strong\u003e Compare all five component references with the motorcycle’s rear-wheel EPC or original disassembled parts.\u003c\/p\u003e\u003ch3\u003eNot for these configurations without separate OEM confirmation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRear disc-brake versions of Classic or Thunderbird with different wheel hub layouts\u003c\/li\u003e\n\u003cli\u003eClassic 350 Reborn (J-Series), New Bullet 350 J-Series, Meteor 350 or Hunter 350\u003c\/li\u003e\n\u003cli\u003eHimalayan 411, Himalayan 450, Scram 411\/440 or Guerrilla 450\u003c\/li\u003e\n\u003cli\u003eInterceptor \/ Continental GT 650, Super Meteor 650, Shotgun 650, Classic 650 or Bear 650\u003c\/li\u003e\n\u003cli\u003eFront-wheel bearing service — this is a rear-wheel drum kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy a rear-wheel bearing and seal kit may be needed\u003c\/h3\u003e\u003cp\u003eDamaged seals may admit dust and moisture to the hub. Worn wheel or sprocket-carrier bearings can cause roughness, unusual rumbling or excessive play. Similar symptoms can also arise from wheel alignment, chain tension, cush rubbers or axle\/spacer issues, so have the rear assembly inspected before ordering replacement parts.\u003c\/p\u003e\u003ch3\u003eWhat you receive \/ what is not included\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSupplied product:\u003c\/strong\u003e 1 × Royal Enfield genuine Bearing, O-Ring \u0026amp; Seal Kit – Rear Wheel, part 888080, referring to the five OEM component numbers above. Individual piece counts and any packing differences must be checked against the genuine sealed retail package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot listed in the kit breakdown:\u003c\/strong\u003e rear wheel, wheel axle\/spindle, chain and sprocket set, brake shoes, brake drum, cush rubbers, hub spacers, chain adjusters, grease or workshop labour. These are not promised as part of this sale.\u003c\/p\u003e\u003ch3\u003eInstallation and pre-purchase checks\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eConfirm the rear wheel uses the \u003cstrong\u003edrum-brake hub\u003c\/strong\u003e shown in the correct model EPC.\u003c\/li\u003e\n\u003cli\u003eCheck existing bearings against \u003cstrong\u003e6005\u003c\/strong\u003e and \u003cstrong\u003e6203\u003c\/strong\u003e specifications and confirm each bearing’s position.\u003c\/li\u003e\n\u003cli\u003eMatch both grease seals and O-ring by OEM reference and dimensions; measure the hub if records are incomplete.\u003c\/li\u003e\n\u003cli\u003eInspect the rear-hub seating surfaces, bearing spacers, axle and sprocket-carrier bearing pocket for damage.\u003c\/li\u003e\n\u003cli\u003eUse correct bearing pressing tools, install seals in the specified orientation and follow the model’s workshop-manual axle tightening instructions.\u003c\/li\u003e\n\u003cli\u003eCheck rear-wheel rotation, brake action, chain alignment and free play before riding.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eProfessional installation is recommended. Do not force bearings into mismatched hub bores or reuse deformed seals. Torque values depend on the motorcycle and must come from the relevant workshop manual.\u003c\/p\u003e\u003ch3\u003eRelated parts to check\u003c\/h3\u003e\u003cp\u003eRear axle, internal spacers, rear hub, sprocket carrier, cush-drive rubbers, wheel-adjuster hardware, brake shoes and drum surface. These are separate parts, not automatically supplied with 888080.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eCheck your motorcycle’s exact model\/year, rear brake type, wheel assembly and original part numbers. Correctly supplied spares are generally not returnable for an incorrect selection, mismatched diagnosis or change of mind once order processing has begun. Claims for missing, wrong or damaged items must be supported by a complete unboxing video and raised within 24 hours of delivery, in line with Under The Hood policy.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003ch4\u003eIs 888080 a front wheel bearing kit?\u003c\/h4\u003e\u003cp\u003eNo. It is the genuine rear-wheel drum bearing, O-ring and seal kit.\u003c\/p\u003e\u003ch4\u003eDoes it fit Classic 350 UCE?\u003c\/h4\u003e\u003cp\u003eThe older Classic 350 UCE rear-drum wheel catalogue supports this component family. Confirm the exact hub configuration and part numbers.\u003c\/p\u003e\u003ch4\u003eDoes it fit Classic 500?\u003c\/h4\u003e\u003cp\u003eIt is supported for older Classic 500 EFI\/UCE rear-drum assemblies. Do not assume later rear-disc variants use this kit.\u003c\/p\u003e\u003ch4\u003eCan I use it on Bullet 350 Standard?\u003c\/h4\u003e\u003cp\u003eOlder Bullet 350 UCE rear-drum assemblies are supported. Match the hub and original bearings\/seals before ordering.\u003c\/p\u003e\u003ch4\u003eDoes Bullet 500 use it?\u003c\/h4\u003e\u003cp\u003eYes, part 888080 is listed in the Bullet 500 rear-wheel drum catalogue.\u003c\/p\u003e\u003ch4\u003eWhat about Electra 350?\u003c\/h4\u003e\u003cp\u003eOlder Electra 350 UCE drum configurations are supported in the UCE rear-wheel catalogue; verify your wheel specification.\u003c\/p\u003e\u003ch4\u003eWhat about Thunderbird?\u003c\/h4\u003e\u003cp\u003eThe older Thunderbird Twinspark rear-drum catalogue identifies 888080. Later rear-disc configurations should be verified separately.\u003c\/p\u003e\u003ch4\u003eDoes the kit contain both 6005 and 6203 bearings?\u003c\/h4\u003e\u003cp\u003eThe OEM kit breakdown identifies 145553\/B (6005) and 150324\/A (6203). Exact sealed-pack piece counts must be confirmed.\u003c\/p\u003e\u003ch4\u003eHow many 6203 bearings are in the packet?\u003c\/h4\u003e\u003cp\u003eThe wheel-assembly catalogue may show quantities used on the motorcycle, but that does not establish the retail packet count. Please verify the sealed package.\u003c\/p\u003e\u003ch4\u003eAre O-ring and grease seals the same thing?\u003c\/h4\u003e\u003cp\u003eNo. O-ring 146256\/A and grease seals 141109\/1 and 141113\/1 are distinct components with different installation positions.\u003c\/p\u003e\u003ch4\u003eIs this for the J-Series Classic 350?\u003c\/h4\u003e\u003cp\u003eNo J-Series application has been verified for this older rear-drum kit.\u003c\/p\u003e\u003ch4\u003eCan a mechanic install this without a bearing press?\u003c\/h4\u003e\u003cp\u003eBearing installation requires appropriate tools and correct support of the hub; professional installation is recommended.\u003c\/p\u003e\u003ch4\u003eWill this eliminate rear-wheel noise?\u003c\/h4\u003e\u003cp\u003eOnly if worn bearings or seals are the actual cause. Inspect the entire rear-wheel assembly before replacement.\u003c\/p\u003e\u003ch4\u003eDoes the kit include axle, brake shoes or cush rubbers?\u003c\/h4\u003e\u003cp\u003eNo such components appear in the supplied OEM kit breakdown.\u003c\/p\u003e\u003ch3\u003eSearch names and identification\u003c\/h3\u003e\u003cp\u003eRoyal Enfield rear wheel bearing kit 888080; Bullet 350 rear wheel bearing and oil seal; Bullet 500 drum wheel bearings; Classic 350 UCE rear wheel hub bearing kit; Classic 500 rear bearing seal set; Electra 350 rear hub seal; Thunderbird Twinspark rear drum bearings; 6005 rear sprocket carrier bearing; 6203 wheel bearing; motorcycle rear wheel grease seals and O-ring.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":52487013466407,"sku":"888080","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-classic-bullet-thunderbird-rear-wheel-bearing-seal-kit-888080","provider":"UNDER THE HOOD","version":"1.0","type":"link"}