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Components › Unclassified › Harmonic Drive Systems
FR-20-128-2-GRAdd to cart
Series reference image, not this exact model · from harmonicdrive.netFR-20-128-2-GR — FR-20-128-2-GR — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

FR-20-128-2-GR

Unclassified · active · sources 2
specs 12evidence [n]sources 2
49 N·mAllowable average load torque
67 N·mAllowable start/stop torque
0.5 kgWeight
1

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Specs.

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 4949 N·m
source sentenceLimit for Average Torque 49 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-20-128-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 6767 N·m
source sentenceLimit for Repeated Peak Torque 67 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-20-128-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 0.50.5 kg
source sentenceMass 0.5 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-20-128-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 128
as printed 6767 N·m
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 128
as printed 0.50.5 kg
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 128128
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 128 · Rated life basis Rated Torque L10
as printed 4040 N·m
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 128
as printed 102102 N·m
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Reduction ratio 128
< 1.5
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 128 · Stiffness region K1 Torsional Stiffness
as printed 0.818100 N·m/rad
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 128 · Stiffness region K2 Torsional Stiffness
as printed 2.828000 N·m/rad
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 128 · Stiffness region K3 Torsional Stiffness
as printed 330000 N·m/rad
source sentenceFR-20-128-2-GR 20 128 40 67 102 < 1.5 0.5 0.81 2.8 3
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 12, 12 shown

Source documents.

2 sources the values were read from

2 documents
harmonicdrive.net/products/component-sets/pancake/fr-2Maker's document · 9 valuesRetrieved 2026-09-08
harmonicdrive.net/products/component-sets/pancake/fr-2/fr-20-128-2-grMaker's document · 3 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 · FR-20-128-2-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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