RobStride 04 Joint Actuator
RobStride Dynamics·RS04·RJT-046

RobStride 04 Joint Actuator

$280.90

QDD 120N.m integrated actuator

Freight
Quoted after order
Minimum order
1 unit
In the box
Motor, gearing and driver included
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120 N·m
Torque (peak / max)
40 N·m
Torque (rated)
9:1
Gear ratio
CAN
Communication

Specifications

Performance

Torque (peak / max)
120 N·m
Torque (rated)
40 N·m
Output speed
50 rpm
Motion
Continuous rotary

Mechanical

Gear ratio
9:1
Weight
1.42 kg

Electrical

Supply voltage
48 V

Interface

Encoder
Dual magnetic encoder, 14bit
Communication
CAN

Specifications and photos are the maker's published data. Datasheets are available on request.

Made by

RobStride Dynamics
6 products
Manufacturer

Typical applications

  • Legged and humanoid robots
  • Robot arms and cobots
  • Exoskeletons
  • Research and education platforms

Choosing the right one

  • Use peak torque for dynamic moves and rated torque for sustained load; keep continuous load under the rated value.
  • Low ratios (about 6:1 to 10:1, quasi-direct drive) are backdrivable and suit legged robots; high ratios (30:1 and up) suit arms that need stiffness.
  • Check bus voltage (24 V or 48 V) and communication (CAN or CAN FD, EtherCAT, RS485) against your controller.
  • A dual encoder reports absolute output position at power-up, so the joint needs no homing.
  • Compare torque density (N·m per kg) when weight matters.

About this product

QDD 120N.m integrated actuator

  • Series: QDD joint module
  • Factory model: RS04
  • Made by RobStride Dynamics

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