RV-N Cycloidal Gearbox

RV-N is Nabtesco compact solid-shaft cycloidal gearbox series for precision motion control. It is designed for robot joints, machine tools, medical equipment and positioning systems that need high torque density, shock-load resistance, low backlash and compact packaging.

Facts

  • Company: Nabtesco
  • Type: Cycloidal Gearbox
  • Core: Precision reduction
  • Function: Transmission
  • Audience: Robot OEMs
  • Status: Commercial
  • Website: https://www.nabtesco.de/en/products/cycloidal-gears/rv-n

Specifications

  • Rated Torque Range: 245 to 28,000 Nm
  • Permissible Acceleration Torque Range: 612 to 70,000 Nm
  • Shock Load Capacity: Up to 5 times rated torque
  • Maximum Efficiency: Up to 85%
  • Hysteresis Loss: <1.0 arcmin for most listed models; <2.0 arcmin for RV-2800N
  • Weight Range: 3.8 to 544 kg

Family specifications

  • RV-25N - Weight: 3.8 kg - Rated Torque: 245 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 1,225 Nm - Permissible Acceleration Torque: 612 Nm
  • RV-42N - Weight: 6.3 kg - Rated Torque: 412 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 2,058 Nm - Permissible Acceleration Torque: 1,029 Nm
  • RV-80N - Weight: 9.3 kg - Rated Torque: 784 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 3,920 Nm - Permissible Acceleration Torque: 1,960 Nm
  • RV-125N - Weight: 13.9 kg - Rated Torque: 1,225 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 6,125 Nm - Permissible Acceleration Torque: 3,062 Nm
  • RV-500N - Weight: 57.2 kg - Rated Torque: 4,900 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 24,500 Nm - Permissible Acceleration Torque: 12,250 Nm
  • RV-1500E - Weight: 280 kg - Rated Torque: 14,700 Nm - Hysteresis Loss: <1.0 arcmin - Emergency Stop Torque: 73,500 Nm - Permissible Acceleration Torque: 36,750 Nm
  • RV-2800N - Weight: 544 kg - Rated Torque: 28,000 Nm - Hysteresis Loss: <2.0 arcmin - Emergency Stop Torque: 140,000 Nm - Permissible Acceleration Torque: 70,000 Nm

Market context

RV-N is Nabtesco's solid-shaft precision cycloidal gearbox component-set family for high-torque robot axes, positioners, and automation systems.

  • Target environment: Industrial robot joints, heavy automation axes, positioners, rotary tables, factory equipment, and high-load motion systems.
  • Workflow context: Torque transmission, shock-load handling, speed reduction, precision positioning, joint packaging, and heavy-axis actuation.
  • Customer context: Industrial robot OEMs, actuator builders, automation machine designers, and high-load motion-system integrators.

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