JOINTDEX

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

Components › Unclassified › Harmonic Drive Systems
RA5Add to cart
Series reference image, not this exact model · from harmonicdrive.netRA5 — RA5 catalogue figure, p.52 — manufacturer series reference image1 / 1
哈默纳科(上海)商贸有限公司 · Harmonic Drive Systems

RA5

Unclassified · active · sources 2
specs 9evidence [n]sources 2

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1

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The prices here are distributors' listed figures, so this page does not take payment — a quote comes back with the real terms.

Shipping · lead time[value]

Specs.

Check before you order.

field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Backlashbacklash
value
3
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Torsional stiffnesstorsional_stiffness
value
73.5
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Torsional stiffnesstorsional_stiffness
value
98
source sentenceRA5 5 3 2.3 98
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Backlashbacklash
value
3
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/gearhead-catalog.pdf · p.55 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Torsional stiffnesstorsional_stiffness
value
73.5
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/gearhead-catalog.pdf · p.55 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Torsional stiffnesstorsional_stiffness
value
98
source sentenceRA5 5 3 2.3 98
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/gearhead-catalog.pdf · p.55 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Backlashbacklash
value
3
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Torsional stiffnesstorsional_stiffness
value
73.5
source sentenceRA5 5 3 1.7 73.5
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
Torsional stiffnesstorsional_stiffness
value
98
source sentenceRA5 5 3 2.3 98
sourcehttps://www.harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdf · p.4 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-06Changed —
specs 9, 9 shown

Source documents.

2 sources the values were read from

2 documents
harmonicdrive.net/_hd/content/documents1/hpg-ra-catalog.pdfMaker's document · 6 valuesRetrieved 2026-09-03
harmonicdrive.net/_hd/content/documents1/gearhead-catalog.pdfMaker's document · 3 valuesRetrieved 2026-09-06
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-09-03first 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 · RA5 · 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

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