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
806 N·mAllowable average load torque
1070 N·mAllowable start/stop torque
52 N·mBackdriving torque
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 806806 N·m
source sentenceLimit for Average Torque 806 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 1,0701070 N·m
source sentenceLimit for Repeated Peak Torque 1,070 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 5252 N·m
source sentenceBackdriving Torque 52 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
value
as printed 11 arcmin
source sentenceStandard Accuracy 1 arc min
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 2.32.3 kg
source sentenceMass 2.3 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 1,0701070 N·m
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 5252 N·m
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 11 arcmin
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 2.32.3 kg
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 120 · Rated life basis Rated Torque L10
as printed 523523 N·m
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 2,2882288 N·m
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K1 Torsional Stiffness
as printed 18180000 N·m/rad
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K2 Torsional Stiffness
as printed 29290000 N·m/rad
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K3 Torsional Stiffness
as printed 33330000 N·m/rad
source sentenceCSG-45-120-2A-GR 45 120 523 1,070 2,288 52 1 2.3 18 29 33
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csg-2a · 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-2aMaker's document · 10 valuesRetrieved 2026-09-08
harmonicdrive.net/products/component-sets/cup-type/csg-2a/csg-45-120-2a-grMaker'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-45-120-2A-GR · Unclassified
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