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CSF-8-50-1UAdd to cart
Series reference image, not this exact model · from harmonicdrive.netCSF-8-50-1U — CSF-8-50-1U — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

CSF-8-50-1U

Unclassified · active · sources 3
specs 27evidence [n]sources 3
2.3 N·mAllowable average load torque
3.3 N·mAllowable start/stop torque
0.55 N·mBackdriving torque
1

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Specs.

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 2.32.3 N·m
source sentenceLimit for Average Torque 2.3 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u/csf-8-50-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 3.33.3 N·m
source sentenceLimit for Repeated Peak Torque 3.3 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u/csf-8-50-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
value
as printed 0.550.55 N·m
source sentenceBackdriving Torque 0.55 Nm
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u/csf-8-50-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
value
as printed 22 arcmin
source sentenceStandard Accuracy 2 arc min
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u/csf-8-50-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
value
as printed 0.130.13 kg
source sentenceMass 0.13 kg
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u/csf-8-50-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 50
as printed 3.33.3 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 50
as printed 0.550.55 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 50
as printed 22 arcmin
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 50
as printed 0.130.13 kg
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 50
as printed 3.33.3 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 50
as printed 0.550.55 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 50
as printed 22 arcmin
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 50
as printed 0.130.13 kg
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 5050
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 50 · Rated life basis Rated Torque L10
as printed 1.81.8 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 50
as printed 6.66.6 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K1 Torsional Stiffness
as printed 0.03300 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K2 Torsional Stiffness
as printed 0.05500 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K3 Torsional Stiffness
as printed 0.06600 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 50
as printed 0.272700 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 5050
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 50 · Rated life basis Rated Torque L10
as printed 1.81.8 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 50
as printed 6.66.6 N·m
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K1 Torsional Stiffness
as printed 0.03300 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K2 Torsional Stiffness
as printed 0.05500 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 50 · Stiffness region K3 Torsional Stiffness
as printed 0.06600 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 50
as printed 0.272700 N·m/rad
source sentenceCSF-8-50-1U 8 50 1.8 3.3 6.6 0.55 2 0.13 0.03 0.05 0.06 0.27
sourcehttps://www.harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1u · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 27, 27 shown

Source documents.

3 sources the values were read from

3 documents
harmonicdrive.net/products/miniature-products/miniature-gearheads/csf-1uMaker's document · 11 valuesRetrieved 2026-09-08
harmonicdrive.net/products/gear-units/miniature-gear-units/csf-1uMaker's document · 11 valuesRetrieved 2026-09-08
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-08first collected · 3 sources
Next update2026-10-01

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JOINT · CSF-8-50-1U · Unclassified
StatusNot applicable
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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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