JOINTDEX
Start Your Project

Data captured: · Published: · Update delayed: this release is over 8 days old.

Components › Unclassified › Harmonic Drive Systems
SHF-25-120-2A-GRAdd to cart
Series reference image, not this exact model · from harmonicdrive.netSHF-25-120-2A-GR — SHF-25-120-2A-GR — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

SHF-25-120-2A-GR

Unclassified · active · sources 2
specs 15evidence [n]sources 2
108 N·mAllowable average load torque
167 N·mAllowable start/stop torque
10 N·mBackdriving torque
1

Added to this browser's cart — no account, no contact details.

The prices here are distributors' listed figures, so this page does not take payment — a quote comes back with the real terms.

Put into a jointAsk on the supplier's site
Shipping · lead time[value]

Specs.

Check before you order.

field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 108108 N·m
source sentenceLimit for Average Torque 108 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-25-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 167167 N·m
source sentenceLimit for Repeated Peak Torque 167 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-25-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 1010 N·m
source sentenceBackdriving Torque 10 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-25-120-2a-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-25-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 0.480.48 kg
source sentenceMass 0.48 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/silk-hat/shf-2a/shf-25-120-2a-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 167167 N·m
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 1010 N·m
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 0.480.48 kg
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 6767 N·m
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 304304 N·m
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 3.131000 N·m/rad
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 550000 N·m/rad
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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 5.757000 N·m/rad
source sentenceSHF-25-120-2A-GR 25 120 67 167 304 10 1 0.48 3.1 5 5.7
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

Build a joint around this part.

Once the family is set, this part can go into a joint.

Check joint combinations
JOINT · SHF-25-120-2A-GR · Unclassified
StatusNot applicable
  • Family not yet set

To settle before a verdict

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

Alternatives in preparation

Keep this part in your BOM.

When the BOM opens, you can collect parts and send one enquiry.

Enquire about this partSee other parts