Loading relationships…
RHU20L-70 is an integrated harmonic joint module for humanoid robots. It has a 70 mm outer diameter, 68 mm axial length and 13 mm hollow bore. It supports 24–48 V operation, gear ratios of 50, 80 or 100, dual absolute encoders, EtherCAT/CANopen communication and an optional power-off brake.

Values use consistent engineering units.
17 N·m
Source specifies 2000 rpm input condition. Supply voltage for this torque is not bound; do not use for a joint torque+voltage confirmation.
39 N·m
69 N·m
24 N·m
40 rpm
79 rpm
50:1
7080 N·m/rad
0.08355 kg·m²
Variant not bound
Brake option B
0.832 kg
Variant not bound
Brake option not bound to a complete ordering configuration.
0.811 kg
Variant not bound
Brake option not bound to a complete ordering configuration.
70 mm
68 mm
13 mm
270 N
24–48 V
Absolute
19 bit
17 bit
EtherCAT / CANopen
Profile position (PP) / Profile velocity (PV) / Profile torque (PT) / Cyclic synchronous position (CSP) / Cyclic synchronous velocity (CSV)
-20–60 °C
Harmonic
Integrated
Integrated
Integrated
Integrated
Optional
270 N
37 N·m