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 12evidence [n]sources 2
137 N·mAllowable average load torque
137 N·mAllowable start/stop torque
1.7 kgWeight
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.
Shipping · lead time[value]
Specs.
Check before you order.
field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 137137 N·m
source sentenceLimit for Average Torque 137 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-32-78-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 137137 N·m
source sentenceLimit for Repeated Peak Torque 137 Nm
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-32-78-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 1.71.7 kg
source sentenceMass 1.7 kg
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2/fr-32-78-2-gr · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 78
as printed 137137 N·m
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 78
as printed 1.71.7 kg
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 7878
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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 78 · Rated life basis Rated Torque L10
as printed 108108 N·m
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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 78
as printed 245245 N·m
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
sourcehttps://www.harmonicdrive.net/products/component-sets/pancake/fr-2 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Reduction ratio 78
< 1.5
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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 78 · Stiffness region K1 Torsional Stiffness
as printed 2.828000 N·m/rad
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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 78 · Stiffness region K2 Torsional Stiffness
as printed 8.484000 N·m/rad
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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 78 · Stiffness region K3 Torsional Stiffness
as printed 12120000 N·m/rad
source sentenceFR-32-78-2-GR 32 78 108 137 245 < 1.5 1.7 2.8 8.4 12
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-32-78-2-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
Build a joint around this part.
Once the family is set, this part can go into a joint.
Check joint combinationsJOINT · FR-32-78-2-GR · Unclassified
StatusNot applicable
- Family not yet set
To settle before a verdict
Supplier.
WRC 2026 Beijing exhibitors, and other suppliers.
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.