Data captured: · Published: · Update delayed: this release is over 8 days old.
Series reference image, not this exact model · from harmonicdrive.net
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1 / 1specs 7evidence [n]sources 1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Reduction ratioreduction_ratio
valuemeasured at How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 99
source sentenceGear Ratio Gear Ratio 8 8 9 9
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 12.112.1 N·m
source sentenceMaximum Torque Nm 1.8 3.7 7.3 12.1
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Max speedmax_speed
valuemeasured at Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 400400 r/min
source sentenceMaximum Speed rpm 500 500 500 400
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak currentpeak_current
valuemeasured at Supply voltage (24VDC) · Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 31.431.4 A
source sentenceMaximum Current (24VDC) Arms 8.7 18.0 26.2 31.4
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak currentpeak_current
valuemeasured at Supply voltage (48VDC) · Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 17.817.8 A
source sentenceMaximum Current (48VDC) Arms 4.5 9.6 13.6 17.8
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Moment of inertiamoment_of_inertia
valuemeasured at Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 0.002626000 g·cm²
source sentenceMoment of Inertia(GD 2 /4) kg.m 2 0.00013 0.00039 0.001 0.0026
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio Gear Ratio: 9 · How it was measured FLA Ultra-Flat Rotary Actuator
FLA Rotary Actuator
Ultra-flat/light brushless actuators combine our high-precision/high-performance reducers with a compact, high-output brushless DC motor
as printed 1,0601.06 kg
source sentenceWeight g 390 620 870 1,060
sourcehttps://www.harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/fla · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 7, 7 shown
Source documents.
1 source the values were read from
1 documents
harmonicdrive.net/products/rotary-actuators/actuators-without-hollow-shaft/flaMaker's document · 7 valuesRetrieved 2026-09-08
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-08first collected · 1 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
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Check joint combinationsJOINT · FLA-20A-09HP · Unclassified
StatusNot applicable
- Family not yet set
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