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 16evidence [n]sources 2
813 N·mAllowable average load torque
1080 N·mAllowable start/stop torque
106 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/gear-units/gear-units/shf-2uj/shf-50-120-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
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/gear-units/gear-units/shf-2uj/shf-50-120-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Backdriving torquebackdriving_torque
value
as printed 106106 N·m
source sentenceBackdriving Torque 106 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj/shf-50-120-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Transmission accuracytransmission_accuracy
value
as printed 11 arcmin
source sentenceStandard Accuracy 1 arc min
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj/shf-50-120-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Weightweight
value
as printed 13.913.9 kg
source sentenceMass 13.9 kg
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj/shf-50-120-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 120
as printed 1,0801080 N·m
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 120
as printed 106106 N·m
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 120
as printed 11 arcmin
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 120
as printed 13.913.9 kg
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 120120
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · 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 sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 120
as printed 2,0602060 N·m
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · 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 sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · 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 sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · 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 sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 120
as printed 3513510000 N·m/rad
source sentenceSHF-50-120-2UJ 50 120 529 1,080 2,060 106 1 13.9 25 40 44 351
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shf-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 16, 16 shown
Source documents.
2 sources the values were read from
2 documents
harmonicdrive.net/products/gear-units/gear-units/shf-2ujMaker's document · 11 valuesRetrieved 2026-09-08
harmonicdrive.net/products/gear-units/gear-units/shf-2uj/shf-50-120-2ujMaker's document · 5 valuesRetrieved 2026-09-06
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-06first collected · 2 sources
Next update2026-10-01
Change history kept
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Check joint combinationsJOINT · SHF-50-120-2UJ · Unclassified
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- Family not yet set
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