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Quality Dexterous Finger Linear Actuator--90N factory
Quality Dexterous Finger Linear Actuator--90N factory

Dexterous Finger Linear Actuator--90N

Basic Properties
Place of Origin: CHINA
Brand Name: SENINTER
Certification: CE ROHS
Model Number: F90N
Product Summary
This linear actuator is designed for linear joints on humanoid robot limbs. It integrates drive system, transmission structure, force sensing and position feedback as a single unit, equipped with large-lead planetary roller screw, four-point contact bearing, high-performance frameless torque motor, ...

Product Details

Maximum Thrust Force: 90N
Stroke: 40mm
Maximum Linear Speed: 80mm/s
Overall Dimension: 11mm × 109mm
Rated Voltage: DC12V ±10%
Communication Protocol: Communication Protocol: CAN FD / EtherCAT
Product Description


This linear actuator is designed for linear joints on humanoid robot limbs. It integrates drive system, transmission structure, force sensing and position feedback as a single unit, equipped with large-lead planetary roller screw, four-point contact bearing, high-performance frameless torque motor, high-precision inductive encoder and high-precision tension force sensor.

  • High Thrust Density

    It provides a maximum thrust of up to 8 kN with compact and lightweight dimensions, meeting the weight reduction demands of humanoid robots.

  • Dual Full Closed-Loop Sensing

    Position and force dual closed-loop control enables precise flexible motion, landing buffering and external force detection.

  • Highly Integrated Monolithic Structure

    The motor, screw, sensors and bearings are entirely encapsulated inside the cylinder, simplifying wiring layout and improving overall assembly efficiency.

  • Superior Dynamic Response

    The combination of frameless torque motor and large-lead screw delivers fast extension and retraction, suited for high-dynamic gaits including walking, running and jumping.

  • Shock Resistance & Durability

    The planetary roller screw paired with heavy-load bearings withstands impact loads from robotic gaits, extending the service life of the whole actuator.

 Dexterous Finger Linear Actuator--90N




Micro actuators are deployed for joint driving of dexterous robotic fingers.

The servo electric cylinder is a modular unit with integrated servo motor and lead screw assembly. It transforms the rotary output of the servo motor into precise linear displacement, representing a groundbreaking new generation solution for high-accuracy linear motion systems.
 Dexterous Finger Linear Actuator--90N


No. Specifications Data
1 Overall Dimension 11mm × 109mm
2 Maximum Thrust Force 90N
3 Maximum Linear Speed 80mm/s
4 Stroke Length 40mm
5 Net Weight 60g
6 Integrated Brake Without Brake
7 Encoder Type SPI Multi-turn Absolute Encoder
8 Rated Voltage DC12V ±10%
9 Integrated Force Sensor Not Equipped
10 Integrated Drive Controller Not Equipped



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