{"product_id":"w420-steel-ball-universal-caster-wheel","title":"W420 Steel Ball Universal Caster Wheel","description":"\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp\u003eThe W420 Steel Ball Universal Caster Wheel is a durable and versatile mechanical support wheel designed to provide smooth multidirectional movement for small and medium-sized robotic platforms, DIY vehicles, automation equipment, carts, fixtures, and custom mechanical assemblies. Featuring a steel ball-based rolling mechanism and a robust housing, this universal caster allows platforms to move forward, backward, and change direction smoothly while providing stable support. Its simple passive construction requires no electrical connection, motor, or external power supply, making it an excellent mechanical component for robotics and mobile platform applications.\u003c\/p\u003e\n\u003cp\u003eThe W420 uses a freely rotating steel ball that provides 360-degree movement, allowing the caster to automatically follow the direction of travel. This makes it particularly useful for differential-drive robots and platforms where two powered wheels provide the main movement while the caster supports the chassis. The steel ball offers good durability and wear resistance, making the caster suitable for repeated movement and applications where a stronger mechanical support is required compared with small plastic ball casters.\u003c\/p\u003e\n\u003cp\u003eThe caster can be mounted to a robot chassis, metal plate, acrylic sheet, wooden platform, plastic enclosure, or custom mechanical structure using suitable mounting screws. Its universal rolling action reduces the need for directional alignment and helps improve maneuverability when the platform turns. The compact design allows it to be integrated into various robotic and automation projects while maintaining a clean and practical mechanical layout.\u003c\/p\u003e\n\u003cp\u003eDesigned for students, hobbyists, robotics engineers, automation developers, educators, and DIY makers, the W420 Steel Ball Universal Caster Wheel is suitable for line follower robots, obstacle-avoiding robots, Arduino robots, autonomous vehicles, AGVs, warehouse prototypes, mobile platforms, robotic carts, and custom machinery. Its strong steel-ball construction and universal movement make it a reliable choice for applications requiring smooth support and easy directional movement.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eW420 Steel Ball Universal Caster Wheel\u003cbr\u003eUniversal Ball Caster Design\u003cbr\u003eSteel Ball Construction\u003cbr\u003e360-Degree Multidirectional Movement\u003cbr\u003eSmooth Rolling Action\u003cbr\u003eHeavy-Duty Mechanical Support\u003cbr\u003eDurable Steel Ball\u003cbr\u003eRobust Housing Construction\u003cbr\u003ePassive Mechanical Component\u003cbr\u003eNo Motor Required\u003cbr\u003eNo Power Supply Required\u003cbr\u003eNo Electrical Connection Required\u003cbr\u003eLow Rolling Resistance\u003cbr\u003eProvides Stable Chassis Support\u003cbr\u003eSuitable for Differential Drive Robots\u003cbr\u003eIdeal for Two-Wheel Robots\u003cbr\u003eSuitable for Three-Wheel Robots\u003cbr\u003eSuitable for Four-Wheel Platforms\u003cbr\u003eEasy Mechanical Installation\u003cbr\u003eCompact Design\u003cbr\u003eReliable Mechanical Construction\u003cbr\u003eWear-Resistant Steel Ball\u003cbr\u003eSuitable for Repeated Movement\u003cbr\u003eIdeal for Line Follower Robots\u003cbr\u003ePerfect for Obstacle Avoiding Robots\u003cbr\u003eSuitable for Arduino Projects\u003cbr\u003eCompatible with ESP32 Projects\u003cbr\u003eSuitable for Raspberry Pi Robots\u003cbr\u003eIdeal for Mini AGVs\u003cbr\u003eSuitable for Autonomous Vehicles\u003cbr\u003eExcellent for Robotics Projects\u003cbr\u003eSuitable for Industrial Prototypes\u003cbr\u003eIdeal for DIY Mechanical Projects\u003cbr\u003eSuitable for Educational Robotics\u003cbr\u003eLow Maintenance\u003cbr\u003eLong Service Life\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Roboracter","offers":[{"title":"Default Title","offer_id":47196088074294,"sku":"0REQHC3TN6","price":65.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/0731\/2694\/files\/W420_Steel_Ball-2.png?v=1788449874","url":"https:\/\/roboracter.in\/products\/w420-steel-ball-universal-caster-wheel","provider":"Roboracter","version":"1.0","type":"link"}