{"product_id":"7k-42-round-ez-lube-trailer-spindle-kit-sp-25042fz-225-dd-kit","title":"7K #42 Round EZ-Lube Trailer Spindle Kit (SP-25042FZ-225-DD-KIT)","description":"\u003cdiv class=\"rp-product\" style=\"font-family: Helvetica Neue, Helvetica, Arial, sans-serif; color:#000; line-height:1.5; max-width:980px; margin:0 auto;\"\u003e\n\n  \u003c!-- LOGO --\u003e\n  \u003cdiv style=\"text-align:center; margin:0 0 20px 0;\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/LOGO-FINALx200.png?v=1763669885\" alt=\"R \u0026amp; P Carriages\" style=\"width:200px; height:auto;\"\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TITLE --\u003e\n  \u003ch1 style=\"text-align:center; margin:0 0 6px 0;\"\u003e\n    7K #42 Round EZ-Lube Trailer Spindle Kit – 2.50\" x 6\" Flanged w\/ Brake Hardware (SP-25042FZ-225-DD-KIT)\n  \u003c\/h1\u003e\n\n  \u003c!-- PART NUMBER --\u003e\n  \u003cdiv style=\"text-align:center; color:#666; margin-bottom:16px;\"\u003e\n    Part Number: \u003cstrong\u003eSP-25042FZ-225-DD-KIT\u003c\/strong\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cp style=\"margin-top:10px;\"\u003e\n    Weld-on #42 round EZ-Lube spindle kit for 7,000 lb trailer axle repair or custom axle fabrication. Includes the flanged 2.50\" spindle and brake-mounting hardware for service-ready installation work.\n  \u003c\/p\u003e\n\n  \u003c!-- KNOWLEDGE HUB --\u003e\n  \u003cdiv style=\"background:#fff4d6; border-left:5px solid #f0a500; padding:18px; margin:28px 0;\"\u003e\n    \u003ch2 style=\"margin-top:0;\"\u003eR\u0026amp;P Knowledge Hub\u003c\/h2\u003e\n\n    \u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Built around a #42 round EZ-Lube spindle configuration with a 2.50\" round weld section, brake flange installed, and grease zerk for through-spindle lubrication. Intended for matching hub, brake, and seal combinations only.\u003c\/p\u003e\n\n    \u003cp\u003e\u003cstrong\u003eVehicle \/ System Fit:\u003c\/strong\u003e Commonly used in 7,000 lb trailer axle repair, spindle replacement, and build-your-own axle work on equipment trailers, car haulers, dump trailers, enclosed cargo trailers, deckover trailers, landscape trailers, utility trailers, and industrial\/custom trailers.\u003c\/p\u003e\n\n    \u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e This is a weld-on spindle kit. Proper alignment is critical during installation to protect bearing life, brake alignment, and tire tracking. Verify axle tube dimensions, brake-flange pattern, bearing numbers, and seal requirements before welding.\u003c\/p\u003e\n\n    \u003cp\u003e\u003cstrong\u003ePerformance Insight:\u003c\/strong\u003e The EZ-Lube design allows grease to be fed through the spindle from the zerk fitting at the end, making routine bearing maintenance easier than a non-EZ-Lube spindle when used with compatible hubs and seals.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- R\u0026P SERVICE INSIGHT --\u003e\n  \u003cdiv style=\"background:#f7f7f7; border-left:5px solid #800000; padding:16px; margin:24px 0; border-radius:6px;\"\u003e\n    \u003ch2 style=\"margin-top:0;\"\u003eR\u0026amp;P Service Insight\u003c\/h2\u003e\n\n    \u003cp\u003e\n      Spindles are usually replaced because of collision damage, bent axle ends, worn bearing journals, damaged threads, heat damage, or long-term wear from overloaded or poorly aligned running gear.\n    \u003c\/p\u003e\n\n    \u003cul style=\"margin-left:20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWear:\u003c\/strong\u003e Bearing surfaces and seal areas can become scored or worn over time\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e Water intrusion, rust, and contaminated grease accelerate spindle and bearing damage\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLoad Stress:\u003c\/strong\u003e Braking forces, side loading, curb strikes, and overload conditions can bend or distort the spindle end\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FEATURES --\u003e\n  \u003ch2\u003eFeatures\u003c\/h2\u003e\n  \u003cul style=\"margin-left:20px;\"\u003e\n    \u003cli\u003e7,000 lb axle-class #42 round EZ-Lube spindle for repair or custom axle fabrication\u003c\/li\u003e\n    \u003cli\u003e2.50\" round weld section with brake flange already installed\u003c\/li\u003e\n    \u003cli\u003eIncludes brake hardware for backing plate or bracket mounting\u003c\/li\u003e\n    \u003cli\u003eIdeal for replacing a damaged spindle without replacing the full axle beam\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- SPECIFICATIONS --\u003e\n  \u003ch2\u003eSpecifications\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eType\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eTrailer axle spindle kit\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eApplication\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eWeld-on spindle replacement or custom axle fabrication\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eFitment\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e#42 round EZ-Lube spindle applications in the 7,000 lb axle class where dimensions and bearing\/seal stack match\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eMaterial \/ Finish\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eSteel spindle with integrated grease zerk and installed brake flange\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eKey Measurement\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e2.50\" round weld section x 6\" listing callout\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eAxle Rating\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e7,000 lb axle class\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eSpindle Style\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e#42 round spindle\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eLubrication\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eEZ-Lube grease passage with zerk fitting\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eLength Before Flange\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eApprox. 3.5\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eOverall Length\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eApprox. 11\" to 11.75\" overall, depending on reference measurement point\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eAxle Tube Fit\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eCommonly used with 3\" OD round axle tubes with matching wall thickness where compatible\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003ePart Number\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eSP-25042FZ-225-DD-KIT\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003ch2 style=\"margin-top:20px;\"\u003eFitment \/ Application\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eVehicle \/ System\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eTrailer axle repair, heavy-duty trailer axle fabrication, and brake-ready axle builds\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eAxle \/ Capacity\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e7,000 lb round axle class\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eNotes\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eVerify tube dimensions, bearing numbers, seal dimensions, brake-mounting pattern, and hub compatibility before installation. This listing is for one spindle kit only.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- COMMON USE CASES --\u003e\n  \u003ch2 style=\"margin-top:20px;\"\u003eCommon Use Cases\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eUse Case\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eSpindle Replacement\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eReplace a bent, damaged, or worn spindle without replacing the full axle beam\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eCustom Axle Fabrication\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eBuild a brake-ready 7K trailer axle using compatible round axle tubing and hub components\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eHeavy Trailer Repair\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eRestore serviceability on equipment trailers, dump trailers, car haulers, and enclosed cargo trailers\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eBrake Hardware Service\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eMount compatible brake backing plates or brackets using the included hardware\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eShop Stock\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eUseful as a service-shop spindle repair part for common round-axle trailer work\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- INCLUDED COMPONENTS --\u003e\n  \u003ch2\u003eIncluded Components\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003eSP-25042FZ-225 #42 round EZ-Lube flanged spindle\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e4\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e38LW lock washers\u003c\/td\u003e\n    \u003c\/tr\u003e\n\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e4\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e5C38241 bolts\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- DIAGRAM \/ REFERENCE BLOCK --\u003e\n  \u003cdiv style=\"margin:24px 0; padding:18px; border:1px solid #ddd; background:#f9f9f9;\"\u003e\n    \u003ch2 style=\"margin-top:0;\"\u003eReference Diagram\u003c\/h2\u003e\n    \u003cp style=\"margin-bottom:14px;\"\u003e\n      Use the linked reference page for the spindle diagram and visual measurement layout shown in your source material.\n    \u003c\/p\u003e\n    \u003ca href=\"https:\/\/www.ebay.com\/itm\/374593356511\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block; padding:10px 16px; font-size:14px; background:#000; color:#fff; text-decoration:none; font-weight:bold;\"\u003e\n      View Diagram \/ Reference Page\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- IMPORTANT NOTE --\u003e\n  \u003cp style=\"margin-top:12px;\"\u003e\n    Verify all specifications, dimensions, bearing and seal requirements, and brake-hardware compatibility before installation.\n  \u003c\/p\u003e\n\n  \u003c!-- CTA --\u003e\n  \u003cdiv style=\"text-align:center; margin:22px 0;\"\u003e\n    \u003ca href=\"\/search?q=7k+spindle\" style=\"display:inline-block; padding:10px 16px; font-size:14px; background:#000; color:#fff; text-decoration:none; font-weight:bold;\"\u003e\n      View More 7K Spindle Options\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SEO BLOCK --\u003e\n  \u003cdiv style=\"display:none;\"\u003e\n    SP-25042FZ-225-DD-KIT, 7K trailer spindle kit, #42 round spindle kit, EZ-Lube spindle kit, 2.50 round flanged spindle, weld-on trailer spindle, trailer axle spindle repair kit, brake flange spindle kit, backing plate hardware included, heavy duty trailer spindle, spindle replacement for 7000 lb axle, build your own trailer axle spindle\n  \u003c\/div\u003e\n\n  \u003c!-- FOOTER --\u003e\n  \u003cdiv style=\"text-align:center; margin:30px 0 0 0;\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/Baseball_AdvertisingRP-sign_1.jpg?v=1771533480\" alt=\"R \u0026amp; P Carriages\" style=\"max-width:100%;\"\u003e\n  \u003c\/div\u003e\n\n  \u003chr style=\"border:0; border-top:1px solid #eee; margin:20px 0;\"\u003e\n\n\u003c\/div\u003e","brand":"Need A Trailer Part®","offers":[{"title":"Default Title","offer_id":50768841408798,"sku":"SP-25042FZ-225-DD-KIT","price":70.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/SP-25042FZ-225-DD-KIT-06.png?v=1775753993","url":"https:\/\/needatrailerpart.com\/products\/7k-42-round-ez-lube-trailer-spindle-kit-sp-25042fz-225-dd-kit","provider":"Need a Trailer Part","version":"1.0","type":"link"}