{"product_id":"gm4820h-hollow-shaft-brushless-gimbal-motor","title":"GM4820H Hollow Shaft Brushless Gimbal Motor Direct Drive BLDC Torque Motor for Robot Joint UAV Camera Stabilizer","description":"\u003ch2\u003eGM4820H Hollow Shaft Brushless Gimbal Motor\u003c\/h2\u003e\n\u003cp\u003eThe GM4820H is a compact hollow shaft brushless gimbal motor designed for robotic joints, camera stabilization systems, UAV payload platforms, LiDAR mechanisms, pan-tilt units, and precision motion control equipment.\u003c\/p\u003e\n\u003cp\u003eFeaturing a lightweight 48mm outer rotor structure and a hollow shaft design, the GM4820H offers smooth direct-drive operation without gearbox backlash. Its compact profile makes it particularly suitable for space-constrained robotic applications requiring precise positioning, low vibration, and reliable torque output.\u003c\/p\u003e\n\u003cp\u003eWith optimized electromagnetic design and efficient brushless operation, the GM4820H is ideal for robotics developers, automation engineers, and UAV system integrators seeking a compact direct-drive motor solution.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHollow shaft brushless gimbal motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect-drive design without gearbox\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact 48mm outer rotor architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHollow shaft for cable routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightweight construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth low-speed operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow vibration and low noise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for robotic joints and stabilization systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with sine wave controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for precision motion applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRobotic Joint Systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCamera Stabilizers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUAV Payload Platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePan-Tilt Systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLiDAR Equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect Drive Robotics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision Motion Platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial Automation Equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResearch Robotics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntelligent Machinery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1spgaq0\" data-start=\"1689\" data-end=\"1705\"\u003eSpecifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1707\" data-end=\"2372\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1707\" data-end=\"1728\"\u003e\n\u003ctr data-start=\"1707\" data-end=\"1728\"\u003e\n\u003cth data-start=\"1707\" data-end=\"1719\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1719\" data-end=\"1728\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1757\" data-end=\"2372\"\u003e\n\u003ctr data-start=\"1757\" data-end=\"1776\"\u003e\n\u003ctd data-start=\"1757\" data-end=\"1765\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"1765\" data-end=\"1776\" data-col-size=\"sm\"\u003eGM4820H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1777\" data-end=\"1816\"\u003e\n\u003ctd data-start=\"1777\" data-end=\"1790\" data-col-size=\"sm\"\u003eMotor Type\u003c\/td\u003e\n\u003ctd data-start=\"1790\" data-end=\"1816\" data-col-size=\"sm\"\u003eBrushless DC Outrunner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1817\" data-end=\"1839\"\u003e\n\u003ctd data-start=\"1817\" data-end=\"1829\" data-col-size=\"sm\"\u003eStructure\u003c\/td\u003e\n\u003ctd data-start=\"1829\" data-end=\"1839\" data-col-size=\"sm\"\u003e12N14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1840\" data-end=\"1860\"\u003e\n\u003ctd data-start=\"1840\" data-end=\"1855\" data-col-size=\"sm\"\u003ePhase Number\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1855\" data-end=\"1860\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1861\" data-end=\"1879\"\u003e\n\u003ctd data-start=\"1861\" data-end=\"1874\" data-col-size=\"sm\"\u003ePole Pairs\u003c\/td\u003e\n\u003ctd data-start=\"1874\" data-end=\"1879\" data-col-size=\"sm\"\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1880\" data-end=\"1902\"\u003e\n\u003ctd data-start=\"1880\" data-end=\"1895\" data-col-size=\"sm\"\u003eWinding Type\u003c\/td\u003e\n\u003ctd data-start=\"1895\" data-end=\"1902\" data-col-size=\"sm\"\u003eWYE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1903\" data-end=\"1920\"\u003e\n\u003ctd data-start=\"1903\" data-end=\"1912\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"1912\" data-end=\"1920\" data-col-size=\"sm\"\u003e130g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1921\" data-end=\"1940\"\u003e\n\u003ctd data-start=\"1921\" data-end=\"1932\" data-col-size=\"sm\"\u003eDiameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1932\" data-end=\"1940\"\u003e48mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1941\" data-end=\"1958\"\u003e\n\u003ctd data-start=\"1941\" data-end=\"1950\" data-col-size=\"sm\"\u003eHeight\u003c\/td\u003e\n\u003ctd data-start=\"1950\" data-end=\"1958\" data-col-size=\"sm\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1959\" data-end=\"1981\"\u003e\n\u003ctd data-start=\"1959\" data-end=\"1974\" data-col-size=\"sm\"\u003eHollow Shaft\u003c\/td\u003e\n\u003ctd data-start=\"1974\" data-end=\"1981\" data-col-size=\"sm\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1982\" data-end=\"2013\"\u003e\n\u003ctd data-start=\"1982\" data-end=\"2006\" data-col-size=\"sm\"\u003eHollow Shaft Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2006\" data-end=\"2013\" data-col-size=\"sm\"\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2014\" data-end=\"2041\"\u003e\n\u003ctd data-start=\"2014\" data-end=\"2030\" data-col-size=\"sm\"\u003eVoltage Range\u003c\/td\u003e\n\u003ctd data-start=\"2030\" data-end=\"2041\" data-col-size=\"sm\"\u003e12V–36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2042\" data-end=\"2067\"\u003e\n\u003ctd data-start=\"2042\" data-end=\"2060\" data-col-size=\"sm\"\u003eMaximum Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2060\" data-end=\"2067\"\u003e40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2068\" data-end=\"2088\"\u003e\n\u003ctd data-start=\"2068\" data-end=\"2080\" data-col-size=\"sm\"\u003eKV Rating\u003c\/td\u003e\n\u003ctd data-start=\"2080\" data-end=\"2088\" data-col-size=\"sm\"\u003e70KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2089\" data-end=\"2113\"\u003e\n\u003ctd data-start=\"2089\" data-end=\"2102\" data-col-size=\"sm\"\u003eSpeed @24V\u003c\/td\u003e\n\u003ctd data-start=\"2102\" data-end=\"2113\" data-col-size=\"sm\"\u003e1680RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2114\" data-end=\"2141\"\u003e\n\u003ctd data-start=\"2114\" data-end=\"2132\" data-col-size=\"sm\"\u003eNo Load Current\u003c\/td\u003e\n\u003ctd data-start=\"2132\" data-end=\"2141\" data-col-size=\"sm\"\u003e0.12A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2142\" data-end=\"2166\"\u003e\n\u003ctd data-start=\"2142\" data-end=\"2158\" data-col-size=\"sm\"\u003eStall Current\u003c\/td\u003e\n\u003ctd data-start=\"2158\" data-end=\"2166\" data-col-size=\"sm\"\u003e4.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2167\" data-end=\"2187\"\u003e\n\u003ctd data-start=\"2167\" data-end=\"2176\" data-col-size=\"sm\"\u003eTorque\u003c\/td\u003e\n\u003ctd data-start=\"2176\" data-end=\"2187\" data-col-size=\"sm\"\u003e0.31N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2188\" data-end=\"2209\"\u003e\n\u003ctd data-start=\"2188\" data-end=\"2201\" data-col-size=\"sm\"\u003eResistance\u003c\/td\u003e\n\u003ctd data-start=\"2201\" data-end=\"2209\" data-col-size=\"sm\"\u003e5.8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2210\" data-end=\"2232\"\u003e\n\u003ctd data-start=\"2210\" data-end=\"2223\" data-col-size=\"sm\"\u003eInductance\u003c\/td\u003e\n\u003ctd data-start=\"2223\" data-end=\"2232\" data-col-size=\"sm\"\u003e3.8mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2233\" data-end=\"2260\"\u003e\n\u003ctd data-start=\"2233\" data-end=\"2249\" data-col-size=\"sm\"\u003eLoad Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2249\" data-end=\"2260\"\u003e0.3–1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2261\" data-end=\"2285\"\u003e\n\u003ctd data-start=\"2261\" data-end=\"2279\" data-col-size=\"sm\"\u003eDriver Included\u003c\/td\u003e\n\u003ctd data-start=\"2279\" data-end=\"2285\" data-col-size=\"sm\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2286\" data-end=\"2328\"\u003e\n\u003ctd data-start=\"2286\" data-end=\"2301\" data-col-size=\"sm\"\u003eDrive Method\u003c\/td\u003e\n\u003ctd data-start=\"2301\" data-end=\"2328\" data-col-size=\"sm\"\u003eSine Wave \/ Square Wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2329\" data-end=\"2372\"\u003e\n\u003ctd data-start=\"2329\" data-end=\"2353\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-start=\"2353\" data-end=\"2372\" data-col-size=\"sm\"\u003e-40°C to +100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2374\" data-end=\"2377\"\u003e\n\u003ch1 data-section-id=\"hg9dub\" data-start=\"2379\" data-end=\"2397\"\u003ePackage Includes\u003c\/h1\u003e\n\u003cul data-start=\"2399\" data-end=\"2448\"\u003e\n\u003cli data-section-id=\"1qiz79h\" data-start=\"2399\" data-end=\"2448\"\u003e1 × GM4820H Hollow Shaft Brushless Gimbal Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2450\" data-end=\"2453\"\u003e\n\u003ch1 data-section-id=\"c3mln3\" data-start=\"2455\" data-end=\"2469\"\u003eApplications\u003c\/h1\u003e\n\u003cul data-start=\"2471\" data-end=\"2732\"\u003e\n\u003cli data-section-id=\"1g19fe0\" data-start=\"2471\" data-end=\"2493\"\u003eRobotic Joint Motors\u003c\/li\u003e\n\u003cli data-section-id=\"iwsrkc\" data-start=\"2494\" data-end=\"2514\"\u003eUAV Camera Gimbals\u003c\/li\u003e\n\u003cli data-section-id=\"dqjtuw\" data-start=\"2515\" data-end=\"2545\"\u003eCamera Stabilization Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1o2ukk3\" data-start=\"2546\" data-end=\"2566\"\u003ePan-Tilt Platforms\u003c\/li\u003e\n\u003cli data-section-id=\"rrulco\" data-start=\"2567\" data-end=\"2591\"\u003eLiDAR Rotation Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1s0zqc4\" data-start=\"2592\" data-end=\"2615\"\u003eDirect Drive Robotics\u003c\/li\u003e\n\u003cli data-section-id=\"hhl5yj\" data-start=\"2616\" data-end=\"2648\"\u003ePrecision Automation Equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1991kfj\" data-start=\"2649\" data-end=\"2684\"\u003eResearch and Development Projects\u003c\/li\u003e\n\u003cli data-section-id=\"1pfydxu\" data-start=\"2685\" data-end=\"2707\"\u003eEducational Robotics\u003c\/li\u003e\n\u003cli data-section-id=\"1bpjfev\" data-start=\"2708\" data-end=\"2732\"\u003eMotion Control Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2734\" data-end=\"2737\"\u003e\n\u003ch1 data-section-id=\"1mpc0g\" data-start=\"2739\" data-end=\"2744\"\u003eFAQ\u003c\/h1\u003e\n\u003ch3 data-section-id=\"vh6hp5\" data-start=\"2746\" data-end=\"2790\"\u003eDoes the GM4820H include a motor driver?\u003c\/h3\u003e\n\u003cp data-start=\"2792\" data-end=\"2847\"\u003eNo. An external brushless motor controller is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"h6ajzj\" data-start=\"2849\" data-end=\"2895\"\u003eIs this motor suitable for robotic joints?\u003c\/h3\u003e\n\u003cp data-start=\"2897\" data-end=\"3018\"\u003eYes. The compact size and hollow shaft design make it suitable for lightweight robotic joints and articulated mechanisms.\u003c\/p\u003e\n\u003ch3 data-section-id=\"mc6ksg\" data-start=\"3020\" data-end=\"3058\"\u003eWhat is the hollow shaft diameter?\u003c\/h3\u003e\n\u003cp data-start=\"3060\" data-end=\"3100\"\u003eThe center hollow shaft diameter is 6mm.\u003c\/p\u003e\n\u003ch3 data-section-id=\"h520ud\" data-start=\"3102\" data-end=\"3146\"\u003eCan it be used for camera stabilization?\u003c\/h3\u003e\n\u003cp data-start=\"3148\" data-end=\"3247\"\u003eYes. The GM4820H is suitable for camera gimbals, UAV stabilization systems, and pan-tilt platforms.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14ig42p\" data-start=\"3249\" data-end=\"3273\"\u003eIs the motor geared?\u003c\/h3\u003e\n\u003cp data-start=\"3275\" data-end=\"3336\"\u003eNo. This is a direct-drive brushless motor without a gearbox.\u003c\/p\u003e\n\u003ch3 data-section-id=\"tq8bco\" data-start=\"3338\" data-end=\"3378\"\u003eWhat controller type is recommended?\u003c\/h3\u003e\n\u003cp data-start=\"3380\" data-end=\"3455\"\u003eCompatible sine-wave or square-wave BLDC motor controllers are recommended.\u003c\/p\u003e","brand":"RobotDoo","offers":[{"title":"Default Title","offer_id":47762993578214,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/gm4820h-hollow-shaft-brushless-gimbal-motor-main_webp.png?v=1781246399","url":"https:\/\/robotdoo.com\/products\/gm4820h-hollow-shaft-brushless-gimbal-motor","provider":"RobotDoo","version":"1.0","type":"link"}