{"product_id":"4-in-casters-3-8-in-axle-shopping-cart-replacement-polyurethane-wheels","title":"4 in Casters 3\/8 in Axle Shopping Cart Replacement Polyurethane Wheels","description":"\u003cp\u003eIn this review of the 4 in replacement casters the bottom line is practical: these wheels are for anyone who needs durable, quiet replacements for shopping carts, utility carts or furniture casters. The reviewer found the polyurethane construction and double ball bearings deliver noticeably smoother, quieter rolling and reduced vibration compared with old jam-prone wheels. The set of 10 with included bolts and nuts makes a straightforward swap for multiple carts at once, and the 300 lb load rating per wheel gives confidence for heavy-duty use.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior polyurethane:\u003c\/strong\u003e The durable tread resists abrasion and chemical exposure, extending wheel life in service environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8 in ball bearing bore:\u003c\/strong\u003e The fitted bore with double ball bearings reduces friction and improves rollability on a range of floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 in diameter, 1.05 in width:\u003c\/strong\u003e A compact size that balances load capacity and maneuverability for carts and furniture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb load per wheel:\u003c\/strong\u003e High single-wheel capacity supports heavy loads and reduces the chance of deformation under weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-marking and quiet:\u003c\/strong\u003e The polyurethane tread and shock-absorbing design cut noise and protect floors during frequent use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded hardware:\u003c\/strong\u003e Ten bolts and nuts are supplied for quicker installation when replacing multiple wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese casters suit small business owners, maintenance staff and homeowners who refurbish shopping carts, utility trolleys, laundry carts or workshop dollies. The 4 in size and 3\/8 in bore match common cart front wheels, and the 300 lb rating per wheel makes them useful where heavier loads are moved regularly.\u003c\/p\u003e\n\u003cp\u003ePeople who need specialized swivel plate assemblies, threaded stems, or very large industrial casters should look elsewhere; this set is aimed at direct replacements and light to medium commercial use rather than heavy industrial rigs or unique mounting fittings.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurable polyurethane tread offers abrasion resistance and is chemical tolerant.\u003c\/li\u003e\n\u003cli\u003eDouble ball bearings and thicker axles provide smooth, quiet rolling and reduced vibration.\u003c\/li\u003e\n\u003cli\u003eHigh 300 lb per wheel load rating offers strong support for heavier carts and equipment.\u003c\/li\u003e\n\u003cli\u003eSupplied as a set of 10 with bolts and nuts, convenient for replacing multiple wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to a 3\/8 in bore configuration, so it is not a direct fit for carts using different axle sizes.\u003c\/li\u003e\n\u003cli\u003eSet form factor may be more than needed for someone replacing a single wheel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel width\u003c\/td\u003e\n\u003ctd\u003e1.05 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore size\u003c\/td\u003e\n\u003ctd\u003e3\/8 in ball bearing bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub length\u003c\/td\u003e\n\u003ctd\u003e1.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e300 lb per wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 10 wheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone replacing multiple shopping cart or utility cart wheels, this 10-piece set delivers solid value: the \u003cstrong\u003epolyurethane\u003c\/strong\u003e tread, double bearings and included hardware make installation straightforward and restore smooth, quiet rolling. It is a practical, cost-effective option for light to medium commercial use where a 3\/8 in bore replacement is required.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these wheels fit standard cart axles?\u003c\/strong\u003e\u003cbr\u003eThey fit axles or shafts that accept a 3\/8 in ball bearing bore; verify your axle diameter before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these safe on indoor floors?\u003c\/strong\u003e\u003cbr\u003eYes. The polyurethane tread is non-marking and designed to protect floors while reducing noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs hardware included for installation?\u003c\/strong\u003e\u003cbr\u003eYes. The set includes 10 bolts and nuts to install the wheels when replacing multiple casters.\u003c\/p\u003e","brand":"Ninoso","offers":[{"title":"Default Title","offer_id":48249525338331,"sku":"B0BCQ8NL8K","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/717sWhh_N6L._SL1500.jpg?v=1776279040","url":"https:\/\/gearmusthave.com\/products\/4-in-casters-3-8-in-axle-shopping-cart-replacement-polyurethane-wheels","provider":"GearMustHave","version":"1.0","type":"link"}