{"product_id":"durastar-medium-heavy-duty-30-series-4-x-2-semi-steel-swivel-caster-700-lb-capacity-4-x-4-1-2-top-plate-choose-bearing-options","title":"4\" x 2\" Semi-Steel 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\" Semi-Steel 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\" Semi-Steel Swivel Caster is a robust mobility solution designed for demanding industrial and commercial applications in 2025. With an impressive 700 lb load capacity and a versatile 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\" Semi-Steel 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 Semi-Steel wheel offers several advantages for industrial applications: \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh Load Bearing:\u003c\/strong\u003e Ideal for heavy-duty applications requiring durability\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpact Resistance:\u003c\/strong\u003e Withstands shocks and impacts in demanding environments\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTemperature Resilience:\u003c\/strong\u003e Performs well in a wide range of temperatures\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLow Rolling Resistance:\u003c\/strong\u003e Ensures easy movement of heavy loads\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLong-lasting Performance:\u003c\/strong\u003e Provides extended service life in industrial settings\u003c\/li\u003e \u003c\/ul\u003e \u003ch2 style=\"color: #8AC973; font-weight: bold; \"\u003eApplications\u003c\/h2\u003e \u003cp\u003e The Durastar 30 Series casters are perfect for use in: \u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaterial handling equipment\u003c\/li\u003e \u003cli\u003eIndustrial machinery\u003c\/li\u003e \u003cli\u003eWarehouse dollies\u003c\/li\u003e \u003cli\u003eManufacturing facilities\u003c\/li\u003e \u003cli\u003eHeavy-duty platform trucks\u003c\/li\u003e \u003cli\u003eMaintenance equipment\u003c\/li\u003e \u003c\/ul\u003e \u003ch2 style=\"color: #8AC973; font-weight: bold; \"\u003eWhy Choose Durastar 30 Series?\u003c\/h2\u003e \u003cp\u003e The Durastar 30 Series combines functionality and strength, enhancing operational efficiency in demanding work environments. With its focus on durability and reliability, this caster series minimizes downtime and maximizes productivity. Trust Durastar for heavy-duty performance that meets the rigorous demands of modern industrial and commercial applications. \u003c\/p\u003e \u003c\/div\u003e","brand":"Durastar","offers":[{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Roller Bearing","offer_id":50122634035512,"sku":"30-S-420-SS-03","price":41.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Precision Bearing","offer_id":50122634002744,"sku":"30-S-420-SS-03","price":49.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Stainless Roller Bearing","offer_id":52317185507640,"sku":"30-S-420-SS-03","price":56.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ Stainless Precision Bearing","offer_id":52317185311032,"sku":"30-S-420-SS-03","price":63.0,"currency_code":"USD","in_stock":true},{"title":"No Brake \/ CHOOSE SWIVEL LOCK (OPTIONAL) \/ High-Temp Roller Bearing 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