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
345 N·mAllowable average load torque
650 N·mAllowable start/stop torque
56 N·mBackdriving torque
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 345345 N·m
source sentenceLimit for Average Torque 345 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj/shg-45-50-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 650650 N·m
source sentenceLimit for Repeated Peak Torque 650 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj/shg-45-50-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 5656 N·m
source sentenceBackdriving Torque 56 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj/shg-45-50-2uj · 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/gear-units/gear-units/shg-2uj/shg-45-50-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 9.89.8 kg
source sentenceMass 9.8 kg
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj/shg-45-50-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 50
as printed 650650 N·m
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 50
as printed 5656 N·m
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 50
as printed 11 arcmin
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 50
as printed 9.89.8 kg
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 5050
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 50 · Rated life basis Rated Torque L10
as printed 229229 N·m
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 50
as printed 1,2351235 N·m
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K1 Torsional Stiffness
as printed 15150000 N·m/rad
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K2 Torsional Stiffness
as printed 20200000 N·m/rad
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K3 Torsional Stiffness
as printed 26260000 N·m/rad
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-2uj · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 50
as printed 2572570000 N·m/rad
source sentenceSHG-45-50-2UJ 45 50 229 650 1,235 56 1 9.8 15 20 26 257
sourcehttps://www.harmonicdrive.net/products/gear-units/gear-units/shg-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/shg-2ujMaker's document · 11 valuesRetrieved 2026-09-08
harmonicdrive.net/products/gear-units/gear-units/shg-2uj/shg-45-50-2ujMaker's document · 5 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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Check joint combinationsJOINT · SHG-45-50-2UJ · Unclassified
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