{"product_id":"hd-switch-trailer-hub-bearing-rebuild-kit-2-kit-3500-lb-fits-1-125-1-375-spindles-l68149-l44649-with-seals-hardware","title":"HD Switch Trailer Hub Bearing Rebuild Kit — 2‑Kit 3500 lb, Fits 1.125\" \u0026 1.375\" Spindles, L68149\/L44649 with Seals \u0026 Hardware","description":"\u003cp\u003e\u003cstrong\u003eHD Switch 2-kit hub bearing rebuild provides two complete axle hub rebuilds—precision bearings, races, seals, and hardware engineered for boat trailers, pop-up campers, and single or tandem axle use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit includes everything needed to rebuild two wheels: paired inner and outer bearings (L44649\/L44610 and L68149\/L68111), matching races (cups), double-lip grease seals, locking tang washers, and cotter pins. Each component is precision machined from high-grade steel to reduce friction and extend service life under radial and axial loads common to trailer spindles. The package fits common 1.125\" and 1.375\" spindle applications and is designed for routine maintenance or emergency axle hub service.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly is included in the 2-kit rebuild and what sizes do the parts match?\u003c\/h3\u003e\n\u003cp\u003eThe kit rebuilds two wheels (one axle) or can service two axles for tandem setups when used twice. Bearings, races, seals, and fasteners are matched for a correct fit on compatible spindles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBearings: L44649\/L44610 (1.062\" ID x 1.980\"), L68149\/L68111 (1.370\" ID x 2.360\")\u003c\/li\u003e\n  \u003cli\u003eSeals: double-lip grease seals 1.719\" ID x 2.560\" OD\u003c\/li\u003e\n  \u003cli\u003eHardware: (2) locking tang washers and (2) cotter pins\u003c\/li\u003e\n  \u003cli\u003eQuantity: two full bearing sets (rebuilts two wheels)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit improve trailer hub performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eComponents are precision machined from high-quality steel to minimize friction and wear. Reduced friction lowers operating temperature and slows degradation, which helps bearings maintain proper preload and extend service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision races and cones for accurate seating and reduced play\u003c\/li\u003e\n  \u003cli\u003eDouble-lip seals to help retain grease and exclude water and debris\u003c\/li\u003e\n  \u003cli\u003eMatched pairs to ensure correct axial and radial load distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich trailers and spindles are compatible with this rebuild kit?\u003c\/h3\u003e\n\u003cp\u003eThis rebuild targets common light- to medium-duty trailer axles such as boat trailers, pop-up campers, utility trailers, and small tandem or single-axle setups. Confirm spindle inside diameters and existing bearing numbers before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits spindles that accept 1.062\" (L44649) and 1.370\" (L68149) inner\/outer bearings\u003c\/li\u003e\n  \u003cli\u003eCommonly used on #84 spindles and many boat trailer\/pop-up camper hubs\u003c\/li\u003e\n  \u003cli\u003eWorks for both single and tandem axle configurations when installed per axle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these bearings to get the best results?\u003c\/h3\u003e\n\u003cp\u003eInstall bearings and races with proper press tools or a bearing driver to avoid damage; always seat races fully in the hub and pack bearings with marine-grade grease if used on boat trailers. Torque the spindle nut to manufacturer specs and secure with the included tang washer and cotter pin.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a press or driver; do not hammer directly on bearing surfaces\u003c\/li\u003e\n  \u003cli\u003ePack bearings with high-quality grease and fit double-lip seals correctly\u003c\/li\u003e\n  \u003cli\u003eRecheck endplay after a short break-in and reseal if necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The HD Switch 2-kit rebuild is intended for DIY mechanics, service shops, and trailer owners who need a complete, high-quality bearing replacement for boat trailers, pop-up campers, and light- to medium-duty single or tandem axles. If you know the bearing numbers (L44649\/L44610 and L68149\/L68111) or have spindles that match these inner diameters, this kit delivers the matched races, seals, and hardware needed to restore reliable hub operation and reduce downtime.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this kit rebuild both wheels on a single axle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 2-kit package provides the bearings, races, seals, and hardware needed to rebuild two wheels on one axle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these bearings fit boat trailer spindles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are suitable for many boat trailer spindles—confirm your existing bearing numbers or spindle ID matches L44649\/L68149 sizes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HD Switch","offers":[{"title":"Default Title","offer_id":48084367868062,"sku":"B0F4G7RG7R","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hd-switch-front-packaging-kit.jpg?v=1785851878","url":"https:\/\/northtrailauto.ca\/products\/hd-switch-trailer-hub-bearing-rebuild-kit-2-kit-3500-lb-fits-1-125-1-375-spindles-l68149-l44649-with-seals-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}