Harmonic Drive LLC | 42 Dunham Ridge, Beverly, MA 01915 | 800-921-3332
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Gear options

Motor selection

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Although the motor and gear data used on this site is believed to be accurate, no warranty is expressed or implied regarding the accuracy, adequacy, completeness, reliability or usefulness of this information. Additionally, this software matches the mechanical performance characteristics of the selected motors and gears. Not all matches represented here may be suitable for your intended application. Please confirm all specifications and performance calculations before ordering any product. Contact our engineering department if you should need any assistance.

Series Size Version Ratio Right Angle Output Configuration Motor Code
HPG 50 A 05 RA5
  • Right angle configuration
  • High Efficiency
  • Low Backlash
  • High load capacity output bearing
  • Quick Connect® coupling
* Please select all options above to download files
**Drawing does not include modified features for mounting the selected motor.

Motor Performance
Motor Rated Torque {{formatNumber(foundMotor.ratedTorque) }} Nm
Motor Torque @ Rated Speed or Stall {{formatNumber(foundMotor.torqueAtRatedSpeedOrStall) }}
Motor Peak Torque (@rated Speed) {{ formatNumber(foundMotor.peakTorqueRating) }} Nm
Motor Rated Speed {{ formatNumber(foundMotor.ratedSpeed) }} rpm
Motor Max. Speed {{ formatNumber(foundMotor.maxSpeed) }} rpm
Motor Peak Stall Torque {{ formatNumber(foundMotor.peakStallTorque) }} Nm
Motor Rated Output {{ formatNumber(foundMotor.ratedOutput) }} W
Motor Drive System Voltage {{ formatNumber(foundMotor.driveSystemVoltage) }} Vac
Motor Bus Voltage {{ formatNumber(foundMotor.busVoltage) }} Vdc
Motor Mechanical Data
Motor Dim A - Motor Pilot Dia. {{ formatNumber(foundMotor.dimA) }} mm
Motor Dim B - Motor Pilot Length {{ formatNumber(foundMotor.dimB) }} mm
Motor Dim C - Motor Bolt Circle Dia. {{ formatNumber(foundMotor.dimC) }} mm
Motor Dim D - Motor Bolt Hole Dia. {{ formatNumber(foundMotor.dimD) }} mm
Motor Dim E - Motor Square Flange {{ formatNumber(foundMotor.dimE) }} mm
Motor Dim F - Motor Shaft Diameter {{ formatNumber(foundMotor.dimF) }} mm
Motor Dim G - Motor Shaft Length {{ formatNumber(foundMotor.dimG) }} mm
Rotor Inertia {{foundMotor.rotorInteria}} kg-cm^2
Motor Mass {{foundMotor.mass}} kg
Gearhead Model Number
Gear Dimensions (see drawing)
Flange Dim A - Motor Adapter Flange Bore Dia. {{foundMotor.flangeDimA}} mm
Flange Dim B - Motor Adapter Flange Bore Depth {{foundMotor.flangeDimB}} mm
Motor Dim C - Motor Bolt Circle Dia. {{foundMotor.dimC}} mm
Flange Dim D - Bolt Size {{foundMotor.flangeDimD}}
Coupling Dim F - Motor Coupling Bore Dia. {{foundMotor.couplingDimF}} mm
Mass kg
Gearhead Performance Data
Rated Torque L10 170 Nm
Rated Torque L50 290 Nm
Limit for Average Torque 340 Nm
Limit for Repeated Peak Torque 400 Nm
Limit for Momentary Peak Torque 500 Nm
Starting Torque 132 Ncm
Backdriving Torque 6.9 Nm
Max. Input Speed 4,500 rpm
Ave. Input Speed 1,300 rpm
Standard Accuracy 3 arc min
Gear Backlash < 3 arc min
Input Inertia 31 kg-cm^2
Torsional Stiffness
K1 25 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.12 m
Offset (R) 0.01 m
Basic Dynamic Rated Load (C) 416 10^2 N
Basic Static Rated Load (Co) 760 10^2 N
Allowable Moment Load (Mc) 1,076 Nm
Moment Stiffness (Km) 100 10^4 Nm / rad
Permissible Radial Load 4,350 N
Permissible Axial Load 6,490 N

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