JOINTDEX
Start Your Project

Data captured: · Published: · Update delayed: this release is over 8 days old.

Components › Unclassified › Harmonic Drive Systems
HPG-14A-3-U1Add to cart
Series reference image, not this exact model · from harmonicdrive.netHPG-14A-3-U1 — HPG-14A-3-U1 — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

HPG-14A-3-U1

Unclassified · active · sources 2
specs 20evidence [n]sources 2

No verified public price. Request a quotation from the seller.

6.4 N·mAllowable average load torque
15 N·mAllowable start/stop torque
0.66 N·mBackdriving torque
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.

Put into a jointAsk on the supplier's site
Shipping · lead time[value]

Specs.

Check before you order.

field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 6.46.4 N·m
source sentenceLimit for Average Torque 6.4 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1/14/hpg-14a-3-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 1515 N·m
source sentenceLimit for Repeated Peak Torque 15 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1/14/hpg-14a-3-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Backdriving torquebackdriving_torque
value
as printed 0.660.66 N·m
source sentenceBackdriving Torque 0.66 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1/14/hpg-14a-3-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Transmission accuracytransmission_accuracy
value
as printed 44 arcmin
source sentenceStandard Accuracy 4 arc min
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1/14/hpg-14a-3-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Weightweight
value
as printed 0.70.7 kg
source sentenceMass 0.7 kg
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1/14/hpg-14a-3-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 03
as printed 1515 N·m
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backdriving torquebackdriving_torque
valuemeasured at Reduction ratio 03
as printed 0.660.66 N·m
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Transmission accuracytransmission_accuracy
valuemeasured at Reduction ratio 03
as printed 44 arcmin
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 03
as printed 0.70.7 kg
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 033
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 03 · Rated life basis Rated Torque L10
as printed 2.92.9 N·m
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 03 · Rated life basis Rated Torque L50
as printed 77 N·m
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 03
as printed 3737 N·m
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Max input speedmax_input_speed
valuemeasured at Reduction ratio 03
as printed 5,0005000 r/min
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Backlash grade Gear Backlash · Reduction ratio 03
< 3
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Backlash grade Gear Backlash Reduced · Reduction ratio 03
< 1
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 03 · Stiffness region K1 Torsional Stiffness
as printed 0.444400 N·m/rad
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Output moment stiffnessoutput_moment_stiffness
valuemeasured at Reduction ratio 03
as printed 330000 N·m/rad
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Radial loadradial_load
valuemeasured at Reduction ratio 03
as printed 400400 N
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Axial loadaxial_load
valuemeasured at Reduction ratio 03
as printed 600600 N
source sentenceHPG-14A-3-U1 14 60 03 2.9 7 15 37 5,000 < 3 < 1 0.66 4 0.7 0.44 3 400 600
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary-gear-units/hpg-u1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 20, 20 shown

Source documents.

2 sources the values were read from

2 documents
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

Build a joint around this part.

Once the family is set, this part can go into a joint.

Check joint combinations
JOINT · HPG-14A-3-U1 · Unclassified
StatusNot applicable
  • Family not yet set

To settle before a verdict

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

Alternatives in preparation

Keep this part in your BOM.

When the BOM opens, you can collect parts and send one enquiry.

Enquire about this partSee other parts