Maxon flat brushless DC motor 60 mm, up to 100 W, pancake form factor for space-constrained applications.
Maxon brushless DC motor with internal rotor, up to 70 W power, designed for robotics and medical applications.

High-torque AC synchronous servo motor from the AKM2G family, frame size 52 mm — delivers up to 30% more torque than the previous AKM generation in the same housing.
Unitree outrunner BLDC quasi-direct-drive motor — joint actuator for Go1, Go2 and B1 quadruped legs, with absolute encoder and FOC controller.

maxon EC-i 52 brushless DC inner-rotor motor, 52 mm diameter — 180 W nominal power, 0.421 N·m continuous torque and speeds up to 8000 rpm.