The AKM21E-CKBNEH00 is an ultra-compact small-frame high-speed brushless AC servo motor from Kollmorgen classic AKM series, adopting rare-earth neodymium permanent magnet and E-type high-efficiency optimized winding design, featuring ultra-low rotor inertia, high torque density, ultra-low cogging torque and fast dynamic acceleration, ideal for compact automation equipment requiring high-frequency start-stop and micron-level precision positioning.