Official Distributor of CubeMars

CubeMars Frameless Inrunner Torque Motors

RI-series inner-rotor torque motors offering high torque density, low cogging torque and precision control for direct-drive robotic joints, with standard and potted (PH) versions.

Highlights

High torque density, low cogging, precise control

CubeMars RI-series frameless inrunner torque motors deliver high torque density, low cogging and precision control for compact, embeddable robotic joints.

High Torque Density

Powerful output from ultra-compact inner-rotor bodies.

Ultra-Low Cogging

Smooth, silky rotation for precise low-speed control.

Frameless Design

Embed directly into your own mechanical structure.

Precise Control

High dynamic response and precision to about 0.01 degrees.

Frameless Inrunner Torque Motor

RI-Series Frameless Inrunner Torque Motors

High torque density and low cogging in ultra-compact, frameless packages for embedded integration.

RI100 KV105 Frameless Torque Motor

Inner-rotor frameless torque motor with high torque density and ultra-low cogging for compact joints.

4.95 Nm peak4368 rpm45 mm bore

RI80 V2.0 KV75 Frameless Inrunner Torque Motor

Upgraded V2.0 inner-rotor frameless torque motor with high torque density and ultra-low cogging, delivering up to 4.1 Nm peak for cobot arms and exoskeletons.

4.1 Nm peakKV75411 g

RI70 KV95 Frameless Inrunner Torque Motor

Compact inner-rotor frameless torque motor with high torque density and ultra-low cogging, delivering up to 2.68 Nm peak for cobot arms and exoskeletons.

2.68 Nm peakKV95270.4 g

RI60 KV120 Frameless Inrunner Torque Motor

Ultra-compact inner-rotor frameless torque motor with high torque density and low cogging, delivering up to 1.63 Nm peak for lightweight robotic joints.

1.63 Nm peakKV120155.9 g

RI50 KV100 Frameless Inrunner Torque Motor

The most compact RI-series inner-rotor frameless torque motor with high torque density and low cogging for space-critical robotic joints.

1.67 Nm peakKV100180.8 g

RI115-PH KV40 Frameless Inrunner Torque Motor

Potted frameless inrunner torque motor with a 74 mm hollow bore and integrated Hall and temperature sensors for robotic joints.

16 Nm peak74 mm borePotted

RI85-PH KV85 Frameless Inrunner Torque Motor

Compact potted frameless torque motor with a 52 mm through-hole and integrated sensors for lightweight robotic joints.

5 Nm peak52 mm bore411 g

RI75-PH KV70 Frameless Inrunner Torque Motor

Ultra-compact potted frameless torque motor at 348 g with a 42 mm through-hole for embedded robotic joints.

3.8 Nm peak42 mm bore348 g

Need help selecting the right CubeMars motor?

Our robotics team will help you match torque, speed and integration requirements to the ideal actuator.