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Components › C · Reducers › Harmonic Drive Systems
CSF-50-120-2A-GRAdd to cart
Series reference image, not this exact model · from harmonicdrive.netCSF-50-120-2A-GR — CSF-50-120-2A-GR1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

CSF-50-120-2A-GR

C · Reducers · active · sources 3
specs 25evidence [n]sources 3
813 N·mAllowable average load torque
1080 N·mAllowable start/stop torque
63 N·mBackdriving torque
1

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 813813 N·m
source sentenceLimit for Average Torque 813 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a/csf-50-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 1,0801080 N·m
source sentenceLimit for Repeated Peak Torque 1,080 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a/csf-50-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 6363 N·m
source sentenceBackdriving Torque 63 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a/csf-50-120-2a-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/csf-2a/csf-50-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 3.23.2 kg
source sentenceMass 3.2 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a/csf-50-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 1,0801080 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 6363 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 11 arcmin
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 3.23.2 kg
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 1,0801080 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 6363 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 11 arcmin
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 3.23.2 kg
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-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 529529 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 2,0602060 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K1 Torsional Stiffness
as printed 25250000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K2 Torsional Stiffness
as printed 40400000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K3 Torsional Stiffness
as printed 44440000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 120 · Rated life basis Rated Torque L10
as printed 529529 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 2,0602060 N·m
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K1 Torsional Stiffness
as printed 25250000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K2 Torsional Stiffness
as printed 40400000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 120 · Stiffness region K3 Torsional Stiffness
as printed 44440000 N·m/rad
source sentenceCSF-50-120-2A-GR 50 120 529 1,080 2,060 63 1 3.2 25 40 44
sourcehttps://www.harmonicdrive.net/products/component-sets/cup-type/csf-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 25, 25 shown

Source documents.

3 sources the values were read from

3 documents
harmonicdrive.net/products/component-sets/cup-type/csf-2aMaker's document · 10 valuesRetrieved 2026-09-08
harmonicdrive.net/products/component-sets/cup-type/csf-2a-grMaker'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 · 3 sources
Next update2026-10-01

Change history kept

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JOINT · CSF-50-120-2A-GR · C · Reducers
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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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