Data captured: · Published: · Update delayed: this release is over 8 days old.
Series reference image, not this exact model · from harmonicdrive.net
1 / 1
1 / 1specs 15evidence [n]sources 2
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51 N·mAllowable average load torque
70 N·mAllowable start/stop torque
3.4 N·mBackdriving torque
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 5151 N·m
source sentenceLimit for Average Torque 51 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 7070 N·m
source sentenceLimit for Repeated Peak Torque 70 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 3.43.4 N·m
source sentenceBackdriving Torque 3.4 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
value
as printed 1.51.5 arcmin
source sentenceStandard Accuracy 1.5 arc min
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 0.10.1 kg
source sentenceMass 0.1 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 7070 N·m
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 3.43.4 N·m
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 1.51.5 arcmin
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 0.10.1 kg
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 120 · Rated life basis Rated Torque L10
as printed 3131 N·m
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 112112 N·m
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K1 Torsional Stiffness
as printed 110000 N·m/rad
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K2 Torsional Stiffness
as printed 1.414000 N·m/rad
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K3 Torsional Stiffness
as printed 1.616000 N·m/rad
source sentenceCSG-17-120-2A-R-LW LW 17 120 31 70 112 3.4 1.5 0.1 1 1.4 1.6
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 15, 15 shown
Source documents.
2 sources the values were read from
2 documents
harmonicdrive.net/products/component-sets/cup-type/csg-2a-lwMaker's document · 10 valuesRetrieved 2026-09-08
harmonicdrive.net/products/component-sets/cup-type/csg-2a-lw/csg-17-120-2a-r-lwMaker's document · 5 valuesRetrieved 2026-09-08
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-08first collected · 2 sources
Next update2026-10-01
Change history kept
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Check joint combinationsJOINT · CSG-17-120-2A-R-LW · Unclassified
StatusNot applicable
- Family not yet set
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