{"product_id":"seachoice-roller-shaft-for-12-in-trailer-roller-13-3-8in-x-5-8in-zinc-plated-with-2-pal-nuts","title":"SEACHOICE Roller Shaft for 12-in Trailer Roller — 13-3\/8in x 5\/8in Zinc-Plated with 2 Pal Nuts","description":"\u003cp\u003e\u003cstrong\u003eHeavy-duty zinc-plated steel roller shaft with two included pal nuts, sized to fit a 12-inch trailer roller and resist marine corrosion.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement roller shaft from SEACHOICE is built for boat trailers that need a dependable axle for a 12-inch roller. The shaft measures 13-3\/8 inches overall with a 5\/8-inch outer diameter, and it comes with two pal nuts for secure attachment. Zinc plating provides a layer of corrosion resistance appropriate for freshwater and saltwater exposure, and the simple design makes installation and replacement quick for DIYers and pros alike.\u003c\/p\u003e\n\n\u003ch3\u003eWill this shaft fit my 12-inch trailer roller?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the shaft is engineered to accommodate a 12-inch roller. Its overall length and outer diameter match common roller specifications so it slips through standard cores and seats properly inside the roller assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall shaft length: 13-3\/8 inches — sized to clear roller ends and mounting brackets\u003c\/li\u003e\n  \u003cli\u003eShaft outer diameter: 5\/8 inch — fits typical roller bore sizes\u003c\/li\u003e\n  \u003cli\u003eIncludes two pal nuts to fasten the shaft securely\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the zinc plating help in marine conditions?\u003c\/h3\u003e\n\n\u003cp\u003eZinc plating creates a protective coating that slows rust and surface corrosion when exposed to moisture, salt spray, and trailer washdowns. It’s not a lifetime corrosion barrier but offers better longevity than plain steel for routine boating use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc layer reduces oxidation compared with unplated steel\u003c\/li\u003e\n  \u003cli\u003eEasy to clean — salt and grime rinse off during maintenance\u003c\/li\u003e\n  \u003cli\u003eSuitable for freshwater and occasional saltwater exposure with regular inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the replacement shaft and pal nuts?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward: slide the shaft through the roller core and align with the trailer bracket, then thread and tighten the supplied pal nuts to lock the shaft in place. Basic hand tools are usually all you need, and the included hardware simplifies replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide shaft through roller and bracket; ensure centered alignment\u003c\/li\u003e\n  \u003cli\u003eThread pal nuts onto shaft ends and secure with a wrench\u003c\/li\u003e\n  \u003cli\u003eInspect roller spin and clearance before final tightening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specs and part number I should note?\u003c\/h3\u003e\n\n\u003cp\u003eKeep the manufacturer part number handy for ordering and matching with other trailer parts. The shaft’s length and diameter are the main measurements to confirm compatibility with your roller and mounting hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer part number: 50-55811 for ordering accuracy\u003c\/li\u003e\n  \u003cli\u003eShaft length: 13-3\/8 inches to suit 12-inch rollers\u003c\/li\u003e\n  \u003cli\u003eShaft outer diameter: 5\/8 inch for standard roller bores\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This SEACHOICE roller shaft assembly is aimed at boat owners, trailer maintenance technicians, and watersports enthusiasts who need a reliable replacement shaft for a 12-inch trailer roller. It’s ideal for those who prefer a straightforward, durable part that’s easy to install and offers improved corrosion resistance over unplated steel. Choose this part when you want a practical, OEM-compatible solution to restore roller performance and keep your boat trailer operating smoothly.\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: Does this shaft include nuts for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — two pal nuts are included for immediate installation and secure fastening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the shaft suitable for saltwater use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The zinc-plated steel offers corrosion resistance suitable for saltwater exposure with routine maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEACHOICE","offers":[{"title":"Default Title","offer_id":48020573618337,"sku":"B000N9RPN8","price":70.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/seachoice-roller-shaft-front-view.jpg?v=1791298599","url":"https:\/\/canadiansporting.ca\/products\/seachoice-roller-shaft-for-12-in-trailer-roller-13-3-8in-x-5-8in-zinc-plated-with-2-pal-nuts","provider":"Canadian Sporting","version":"1.0","type":"link"}