{"product_id":"trailer-idler-hub-kits-5-on-4-5-for-3500-lb-axle-set-of-2","title":"Trailer Idler Hub Kits 5 on 4.5 for 3500 lb Axle - Set of 2","description":"\u003cp\u003eIn this review of the Trailer Idler Hub Kits 5 on 4.5 for 3500 lb axle, the bottom line is straightforward: these kits are aimed at trailer owners who need a complete, ready-to-install idler hub solution for most 3500 lb axles. The reviewer found the biggest reason to buy is the included hardware - bearings, grease seals, grease caps and cone nuts - which reduces hunting for compatible parts. Fit and basic quality stand out, making these kits a practical option for routine axle maintenance or replacement on boat and utility trailers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Each set includes inner and outer cone bearings, grease seals, grease caps and cone wheel nuts so installers get most of what is needed in one purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt pattern compatibility:\u003c\/strong\u003e The 5 on 4.5\" bolt pattern fits common trailer hubs, simplifying swaps on many 3500 lb axle setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded hardware:\u003c\/strong\u003e The 1\/2\"-20 cone wheel nuts and installed studs match standard trailer spindle threads for straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing fit:\u003c\/strong\u003e Built for 84 spindles with a 4-hole brake flange using inner bearing L68149 and outer bearing L44649, ensuring correct bearing pairing for these spindles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstalled races:\u003c\/strong\u003e Bearing races come preinstalled in the hubs, which reduces assembly time and lowers the chance of incorrect race seating during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is best for DIY trailer owners, boat owners and small fleet maintenance teams working on 3500 lb axles who want a mostly complete idler hub replacement that fits common spindle and brake flange arrangements. The included bearings and seals are convenient for users who prefer to buy a matched set rather than sourcing individual parts.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include owners of heavier axles or nonstandard bolt patterns, and anyone who requires hubs with integrated brakes or specialized materials; this product is an idler hub kit for 3500 lb axles rather than a brake-ready hub or a custom OEM unit.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value for a set that includes bearings, seals, grease caps and cone nuts, reducing extra purchases.\u003c\/li\u003e\n\u003cli\u003eFits common 5 on 4.5\" bolt pattern hubs and most 3500 lb trailer and boat axles.\u003c\/li\u003e\n\u003cli\u003eBearing races and studs installed save time during installation and help ensure proper fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAssembly instructions received mixed feedback from customers, so installers should be comfortable with basic hub assembly or consult a mechanic.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 2 hubs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt pattern\u003c\/td\u003e\n\u003ctd\u003e5 on 4.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated axle\u003c\/td\u003e\n\u003ctd\u003eFits most 3500 lb axles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner bearing\u003c\/td\u003e\n\u003ctd\u003eL68149\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter bearing\u003c\/td\u003e\n\u003ctd\u003eL44649\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrease seal size\u003c\/td\u003e\n\u003ctd\u003e1.719 in x 2.565 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel nut thread\u003c\/td\u003e\n\u003ctd\u003e1\/2 in-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Trailer Idler Hub Kits 5 on 4.5 for 3500 lb axle are a practical, cost-effective choice for most trailer owners who need a matched pair of idler hubs with bearings and seals included. They offer good fitment for common spindles and save time with preinstalled races and studs, making them solid value for routine axle maintenance when paired with competent installation or shop support.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDo these hubs fit brake flanges?\u003c\/strong\u003e\u003cbr\u003eThey are built for 84 spindles with a 4-hole brake flange and are compatible with that configuration, but they are idler hubs without integrated brakes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat bearings come with the kit?\u003c\/strong\u003e\u003cbr\u003eEach hub kit includes inner cone bearing L68149 and outer cone bearing L44649 as specified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre grease caps and nuts included?\u003c\/strong\u003e\u003cbr\u003eYes, the set includes E Z lube grease caps with rubber plug and 10 cone wheel nuts with 1\/2 in-20 thread.\u003c\/p\u003e","brand":"JDMSPEED","offers":[{"title":"Default Title","offer_id":48191786025179,"sku":"B07L9WKW3N","price":57.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/7183kP3f-wL._SL1500.jpg?v=1769810581","url":"https:\/\/gearmusthave.com\/products\/trailer-idler-hub-kits-5-on-4-5-for-3500-lb-axle-set-of-2","provider":"GearMustHave","version":"1.0","type":"link"}