{"product_id":"durastar-medium-heavy-duty-30-series-4-x-2-hd-polyolefin-swivel-caster-700-lb-capacity-4-x-4-1-2-top-plate","title":"4\" x 2\" Polyolefin Swivel Caster – 700 lb | 4\" x 4-1\/2\" Top Plate | CasterHQ","description":"\u003cdiv style=\"box-shadow: 0px 4px 8px rgba(0,0,0,0.1); padding: 20px; border-radius: 12px;\"\u003e \u003ch1 style=\"color: rgb(1, 99, 103); font-weight: bold;  text-align: center;\"\u003eDurastar Medium Heavy Duty 30 Series - 4\" x 2\" HD Polyolefin Swivel Caster\u003c\/h1\u003e \u003chr id=\"horizontalrule\"\u003e \u003ch2 style=\"color: #8AC973; font-weight: bold; \"\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003e The Durastar Medium Heavy Duty 30 Series 4\" x 2\" HD Polyolefin Swivel Caster is a cutting-edge mobility solution designed for demanding industrial and commercial applications in 2025. With an impressive 700 lb load capacity and a 4\" x 4-1\/2\" top plate, this caster offers exceptional performance, durability, and versatility for various environments. \u003c\/p\u003e \u003ch2 style=\"color: #8AC973; font-weight: bold; \"\u003eKey Features and Benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSuperior Load Capacity:\u003c\/strong\u003e Supports up to 700 lbs, ideal for medium to heavy-duty industrial applications\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdvanced Wheel Technology:\u003c\/strong\u003e 4\" x 2\" HD Polyolefin wheel for optimal durability and floor protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSmooth Swivel Action:\u003c\/strong\u003e Double ball bearing raceways ensure effortless 360-degree rotation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile Top Plate:\u003c\/strong\u003e 4\" x 4-1\/2\" plate for secure mounting on various equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Double welded legs for increased strength and longevity\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Zinc plated finish to resist rust and environmental factors\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e 5\/8\" diameter nut and bolt kingpin for stable performance\u003c\/li\u003e \u003c\/ul\u003e \u003ch2 style=\"color: #8AC973; font-weight: bold; \"\u003ePerformance Advantages\u003c\/h2\u003e \u003cp\u003e The HD Polyolefin wheel offers several advantages for industrial applications: \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Ideal for noise-sensitive environments like offices and hospitals\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFloor Protection:\u003c\/strong\u003e Non-marking properties suitable for various floor types\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShock Absorption:\u003c\/strong\u003e Reduces vibrations and protects transported goods\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e Withstands exposure to most chemicals, oils, and water\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTemperature Resilience:\u003c\/strong\u003e Performs well in temperatures ranging from -40°F to 180°F\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e","brand":"Durastar","offers":[{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Roller Bearing","offer_id":50122619388216,"sku":"30-S-420-HPO-03","price":41.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Precision Bearing","offer_id":50122619355448,"sku":"30-S-420-HPO-03","price":49.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Stainless Roller 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