The RI100 KV105 is the largest RI inrunner, delivering 4.95 Nm peak and 1.76 Nm rated torque with 252 W rated power. Its 104 mm, 500 g frameless design on a 24-48 V bus serves humanoid robots, exoskeletons and high-load joint modules.
* Specifications are provided for reference. Please verify the latest specifications with the manufacturer.
Robotic Actuators
The AK10-9 V3.0 integrates a high-torque BLDC motor, 9:1 planetary gearbox and driver with dual encoders. It outputs 53 Nm peak and 18 Nm rated torque with 442 W rated power at 48 V, a proven choice for humanoid legs and robot arms.
Underwater Thrusters
The DW20 underwater thruster outputs 20 kgf of thrust from 910 W rated power at 48 V. Its 152 mm, 1.63 kg sealed construction targets heavy ROV platforms and underwater manipulation tasks.
Quasi Direct Drive Actuators
CubeMars AKE80-8 KV30 quasi-direct drive actuator delivers 30 Nm peak and 12 Nm rated torque through an 8:1 reducer on a 48 V supply. At 570 g, its low inertia and backdrivability suit exoskeletons, rehabilitation robots and legged joints.
Frameless Torque Motors
The RI100 KV105 is the largest RI inrunner, delivering 4.95 Nm peak and 1.76 Nm rated torque with 252 W rated power. Its 104 mm, 500 g frameless design on a 24-48 V bus serves humanoid robots, exoskeletons and high-load joint modules.
Gimbal Motors
The GL40 KV70 gimbal motor delivers 0.5 Nm peak and 0.25 Nm rated torque in a 107 g, 46.5 mm direct-drive body. Low cogging and smooth control suit handheld and drone-mounted camera stabilizers.
Robotic Actuators
The AK80-9 V3.0 packs a BLDC motor, 9:1 planetary gearbox and driver into a 98 mm, 490 g actuator. It delivers 22 Nm peak and 9 Nm rated torque with 368 W rated power at 48 V for agile legged robots and compact arms.
Frameless Torque Motors
CubeMars RI60 KV120 frameless inrunner delivers 1.63 Nm peak and 0.57 Nm rated torque at 85 W rated power. The 60 mm rotor runs on 24-48 V and weighs only 156 g, making it a strong fit for humanoid joints, wheel drives and collaborative arms.
Robotic Actuators
CubeMars AK80-8 actuator integrates an 8:1 reducer for 25 Nm peak and 10 Nm rated torque with 230 W rated power on a 48 V bus. The 570 g unit is widely used in exoskeletons, quadrupeds and collaborative robot joints.
Gimbal Motors
CubeMars GL60 II KV28 gimbal motor provides 1.5 Nm peak and 0.6 Nm rated torque at just 276 g. Its low cogging design and 24N28P stator deliver smooth, stable camera stabilization for high-end gimbal systems.
Robotic Actuators
The AK60-6 V1.1 KV140 offers 9 Nm peak and 3 Nm rated torque with 130 W rated power at 24 V, reaching 560 rpm no-load. Its 368 g integrated body with 6:1 reducer fits nimble joints in desktop arms and small legged robots.
Robotic Actuators
The AKH70-48 V1.0 hollow-shaft planetary actuator delivers 222 Nm peak and 74 Nm rated torque through a 48:1 reducer at 48 V. Weighing 1.4 kg with cable pass-through, it powers heavy legged robots, AGV drives and large joint modules.
Underwater Thrusters
CubeMars SW12 underwater thruster delivers 12 kgf or more of thrust with 520 W rated power at 48 V. Weighing 1.18 kg, it offers efficient, corrosion-resistant propulsion for inspection-class ROVs.
Twelve frameless torque motors from 20 g to 710 g compared in three performance ···
How a high torque frameless motor makes and limits torque: stator geometry, KV a···
BLDC motors for a wheel robot: direct-drive frameless kits versus geared wheel a···
Frameless BLDC torque motors compared: how rated and peak torque, KV, diameter a···
Frameless Torque Motors
The RI70 KV95 offers 2.68 Nm peak and 0.94 Nm rated torque with 125 W rated power in a 76 mm frameless inrunner body of 270 g. Designed for 24-48 V buses, it targets legged robots, joint modules and precision robotic arms.
Frameless Torque Motors
CubeMars RO80 KV105 Standard frameless motor outputs 4 Nm peak and 1.3 Nm rated torque with 490 W rated power. The 93 mm, 352 g unit runs on 48 V and provides large-torque direct drive for legged robots and industrial-grade joint modules.
Frameless Torque Motors
The RO40 KV140 Lite is a 60 g frameless torque motor with 0.6 Nm peak and 0.2 Nm rated torque in a compact 46 mm format. Rated 51 W at 24 V, it brings responsive direct-drive motion to lightweight robotic joints.
Frameless Torque Motors
The RI100 KV105 is the largest RI inrunner, delivering 4.95 Nm peak and 1.76 Nm rated torque with 252 W rated power. Its 104 mm, 500 g frameless design on a 24-48 V bus serves humanoid robots, exoskeletons and high-load joint modules.
Frameless Torque Motors
The RO60 KV115 Standard delivers 2.4 Nm peak and 0.8 Nm rated torque with 352 W rated power at 48 V, spinning to 5520 rpm no-load. The redesigned 74 mm, 248 g frameless platform offers high adaptability for humanoid and quadruped robot joints.
Frameless Torque Motors
The CubeMars RI20 KV600 is an ultra-compact frameless inner-rotor torque motor weighing just 20 g with a 25 mm diameter. It delivers 0.072 Nm peak and 0.024 Nm rated torque at up to 18 W, ideal for rehabilitation robots, joint modules and compact robotic arms.
Frameless Torque Motors
CubeMars RI60 KV120 frameless inrunner delivers 1.63 Nm peak and 0.57 Nm rated torque at 85 W rated power. The 60 mm rotor runs on 24-48 V and weighs only 156 g, making it a strong fit for humanoid joints, wheel drives and collaborative arms.
Frameless Torque Motors
CubeMars RO50 KV108 Lite frameless motor produces 0.9 Nm peak and 0.3 Nm rated torque while weighing just 105 g. With 66 W rated power at 24 V, it fits compact robotic joints where fast response and low weight matter.
Frameless Torque Motors
The RO100 KV55 Standard tops the RO range with 12 Nm peak and 4 Nm rated torque plus 838 W rated power at 48 V. Its 113 mm, 710 g frameless construction is built for demanding humanoid, quadruped and heavy-duty joint applications.
Frameless Torque Motors
CubeMars RI30 KV260 frameless torque motor packs 0.23 Nm peak and 0.076 Nm rated torque into a 38 mm, 40 g package. Rated 33 W at 24 V, it suits compact joint modules, collaborative robot arms and rehabilitation devices that need smooth, precise torque.
Frameless Torque Motors
CubeMars RI80 V2.0 KV75 steps up to 4.1 Nm peak and 1.45 Nm rated torque with 172 W rated power. The 85 mm, 411 g frameless inrunner accepts 24-48 V input and fits humanoid robots, exoskeletons, quadrupeds and heavy joint modules.
Frameless Torque Motors
The RI50 KV100 is a frameless inrunner torque motor built for 24-48 V systems. In a 54 mm, 181 g package it produces 1.67 Nm peak and 0.58 Nm rated torque with 66 W rated power, serving quadruped robots, exoskeletons, AGVs and robotic arm joints.
Subscribe for the latest products, manufacturers and industry updates.
