{"product_id":"8-inch-swivel-pneumatic-casters-set-of-4-heavy-duty-smooth-roll","title":"8 Inch Swivel Pneumatic Casters Set of 4 - Heavy Duty Smooth Roll","description":"\u003cp\u003eOur review of the 8 in swivel pneumatic casters set of 4 finds these casters best suited for users who need quiet, cushioned movement over uneven or outdoor surfaces. The bottom line: this kit delivers a reliably smooth roll and sturdy build for utility carts, luggage carts, and light industrial dollies, with a clear advantage in vibration absorption thanks to the pneumatic rubber tread. The set is notable for a 1,200 lb total capacity and bolt on swivel locks that let a user lock swivel action for straight-line tracking when needed.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 in pneumatic tread:\u003c\/strong\u003e The air-filled rubber wheel absorbs shock and provides quieter movement over rough ground compared with hard wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb per caster capacity:\u003c\/strong\u003e Each caster supports 300 lb, giving a combined 1,200 lb capacity suitable for heavy loads on carts and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-on swivel locks:\u003c\/strong\u003e Field-installable bolt-on swivel locks convert swivel action to rigid tracking for controlled straight-line travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc plated top plate:\u003c\/strong\u003e The plated finish resists corrosion while offering standard plate mounting that can be bolted or welded to your frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall bearing hubs:\u003c\/strong\u003e Precision bearings enable consistent roll and reduced noise for easier maneuvering in commercial settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese casters are ideal for maintenance crews, catering and food-service operations, and small businesses that move loaded carts outdoors or across mixed surfaces. The pneumatic wheel is especially useful where vibration damping and traction on grass or gravel matter.\u003c\/p\u003e\n\u003cp\u003eThose who need casters for high-speed vehicle use or for extremely heavy industrial machinery should look elsewhere; this set is designed for material handling and utility applications, not highway or automotive duty.\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\u003eGood build quality and smooth roll thanks to pneumatic rubber and ball bearings.\u003c\/li\u003e\n\u003cli\u003ePractical 1,200 lb total capacity for a wide range of carts and equipment.\u003c\/li\u003e\n\u003cli\u003eBolt-on swivel locks allow simple conversion to rigid tracking when required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePneumatic tires require occasional inspection and are not intended for highway use.\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\u003e8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel tread\u003c\/td\u003e\n\u003ctd\u003eBlack pneumatic rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet capacity\u003c\/td\u003e\n\u003ctd\u003e1,200 lb total (300 lb per caster)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop plate\u003c\/td\u003e\n\u003ctd\u003e4 in x 4 1\/2 in with bolt hole pattern options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake option\u003c\/td\u003e\n\u003ctd\u003eBolt-on swivel lock (BSL) included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eZinc plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 8 in swivel pneumatic casters set of 4 is a practical, value-focused choice for anyone moving loaded carts across uneven or outdoor surfaces. It combines cushioned ride, reasonable load capacity, and useful swivel-lock functionality, making it a solid pick for service and material handling tasks where smooth, controlled roll matters.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these casters suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003eYes, the pneumatic rubber tread provides better traction and shock absorption on outdoor surfaces like grass and gravel compared to hard wheels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the swivel locks be installed later?\u003c\/strong\u003e\u003cbr\u003eYes, the bolt-on swivel locks are field installable so they can be added after purchase to convert swivel to rigid tracking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the mounting plate size?\u003c\/strong\u003e\u003cbr\u003eThe top plate measures approximately 4 in x 4 1\/2 in with common bolt hole patterns for bolting or welding.\u003c\/p\u003e","brand":"Service Caster","offers":[{"title":"Default Title","offer_id":48248925356251,"sku":"B07N2X3GPX","price":279.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51C63Vc1csL._SL1000.jpg?v=1771102909","url":"https:\/\/gearmusthave.com\/products\/8-inch-swivel-pneumatic-casters-set-of-4-heavy-duty-smooth-roll","provider":"GearMustHave","version":"1.0","type":"link"}