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Components › Unclassified › Harmonic Drive Systems
SHF-40-120-2A-GRAdd to cart
Series reference image, not this exact model · from harmonicdrive.netSHF-40-120-2A-GR — SHF-40-120-2A-GR — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

SHF-40-120-2A-GR

Unclassified · active · sources 2
specs 15evidence [n]sources 2
451 N·mAllowable average load torque
617 N·mAllowable start/stop torque
40 N·mBackdriving torque
1

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 451451 N·m
source sentenceLimit for Average Torque 451 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-40-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 617617 N·m
source sentenceLimit for Repeated Peak Torque 617 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-40-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 4040 N·m
source sentenceBackdriving Torque 40 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-40-120-2a-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/silk-hat/shf-2a/shf-40-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 1.871.87 kg
source sentenceMass 1.87 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-40-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 617617 N·m
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 4040 N·m
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 11 arcmin
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 1.871.87 kg
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-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 294294 N·m
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 1,1801180 N·m
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K1 Torsional Stiffness
as printed 13130000 N·m/rad
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K2 Torsional Stiffness
as printed 20200000 N·m/rad
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K3 Torsional Stiffness
as printed 23230000 N·m/rad
source sentenceSHF-40-120-2A-GR 40 120 294 617 1,180 40 1 1.87 13 20 23
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-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/silk-hat/shf-2aMaker's document · 10 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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JOINT · SHF-40-120-2A-GR · Unclassified
StatusNot applicable
  • Family not yet set

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Supplier.

WRC 2026 Beijing exhibitors, and other suppliers.

哈默纳科（上海）商贸有限公司Harmonic Drive Systems
WRC2026-B-008Hall BBooth B110CNharmonicdrive.net · official
This supplier's parts 1,815Supplier page

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