The Portescap 22ECT35 Ultra EC series slotless brushless DC motor designed specifically to deliver ultra high torque in a compact size. It is specifically optimized for high continuous torque at low to medium speeds, maximizing power between 10 K and 20 K rpm. This motors are capable of delivering 2 times higher continuous torque than comparable BLDC motors of same size over the entire low speed range, that includes typical conditions of use with gear trains.

Small package, 2 standard lengths available
Proprietary high efficiency coil design
Access similar or higher torques than DC motors with much higher lifetimes
Best in class torque capability for BLDC motors in this size, using 4 poles design