{"product_id":"cubemars-ro100-kv55-lite-frameless-outrunner-torque-motor","title":"CubeMars RO100 Lite KV55 Frameless Outrunner Torque Motor (No Hall Sensor)","description":"\u003cp\u003eThe \u003cstrong\u003eRO100 KV55 Lite\u003c\/strong\u003e is an outer-rotor (outrunner) frameless torque motor from the CubeMars RO series. Its large hollow bore lets you route cables or a drive shaft straight through the center, and the outrunner layout delivers high torque density with roughly 50% lower cogging than comparable motors for smooth, stable low-speed control.\u003c\/p\u003e\u003cp\u003eTypical uses include robotic and cobot arm joints, exoskeletons, quadruped and humanoid robots, gimbals, and other space-constrained direct-drive mechanisms.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;max-width:520px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eKV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e55 rpm\/V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e48 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e4 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePeak torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e12 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eNo-load speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e2550 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e2000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePeak current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e62 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e838 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePole pairs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePhase-to-phase resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e143 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePhase-to-phase inductance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e137 µH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions (Ø × L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003eФ108.3 × 28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e525 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eHall sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDrive method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border:1px solid #ddd;\"\u003eFOC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eShips as a frameless stator + rotor set. Sold by Pendulum Robotics, an authorized reseller of CubeMars motors.\u003c\/em\u003e\u003c\/p\u003e","brand":"CubeMars","offers":[{"title":"Default Title","offer_id":59739529248849,"sku":"RO100 Lite","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/8692\/9489\/files\/1735278432523248845.jpg?v=1783101074","url":"https:\/\/pendulumrobotics.com\/products\/cubemars-ro100-kv55-lite-frameless-outrunner-torque-motor","provider":"Pendulum Robotics","version":"1.0","type":"link"}