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Components › Unclassified › Harmonic Drive Systems
HPN-40A-21Add to cart
Series reference image, not this exact model · from harmonicdrive.netHPN-40A-21 — HPN-40A-21 — manufacturer part page image1 / 1
哈默纳科（上海）商贸有限公司 · Harmonic Drive Systems

HPN-40A-21

Unclassified · active · sources 2
specs 13evidence [n]sources 2

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

620 N·mAllowable average load torque
752 N·mAllowable start/stop torque
21Reduction ratio
1

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Specs.

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Allowable average load torqueallowable_average_load_torque
value
as printed 620620 N·m
source sentenceLimit for Average Torque 620 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox/40/hpn-40a-21 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
value
as printed 752752 N·m
source sentenceLimit for Repeated Peak Torque 752 Nm
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox/40/hpn-40a-21 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Allowable start/stop torqueallowable_startstop_torque
valuemeasured at Reduction ratio 21
as printed 752752 N·m
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Weightweight
valuemeasured at Reduction ratio 21
as printed 1717 kg
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Reduction ratioreduction_ratio
value
as printed 2121
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 21 · Rated life basis Rated Torque L10
as printed 384384 N·m
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 21 · Rated life basis Rated Torque L50
as printed 620620 N·m
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 21
as printed 1,0291029 N·m
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Max input speedmax_input_speed
valuemeasured at Reduction ratio 21
as printed 6,0006000 r/min
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Backlashbacklash
valuemeasured at Reduction ratio 21
< 7
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 21 · Stiffness region K1 Torsional Stiffness
as printed 14.3143000 N·m/rad
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Radial loadradial_load
valuemeasured at Reduction ratio 21
as printed 5,0005000 N
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
Axial loadaxial_load
valuemeasured at Reduction ratio 21
as printed 5,0005000 N
source sentenceHPN-40A-21 40 142 21 384 620 752 1,029 6,000 < 7 17 14.3 5,000 5,000
sourcehttps://www.harmonicdrive.net/products/servo-mount-gearheads/harmonic-planetary/hpn-a-planetary-gearbox · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-08Changed —
specs 13, 13 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

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JOINT · HPN-40A-21 · Unclassified
StatusNot applicable
  • Family not yet set

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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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