Data captured: 9/24/2026, 13:28:26 KST · Published: 9/24/2026, 13:29:01 KST · Update delayed: this release is over 8 days old.

Components › C · Reducers › SITO DRIVE

HS-20-IIAdd to cart

Photograph of the part · from aifitlab.com HS-20-II

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SITO DRIVE · SITO DRIVE

HS-20-II

Name: HS-20-II
Brand: SITO DRIVE

C · Reducers · active · sources 2 · multiple values 1

specs 36evidence [n]sources 2multiple values 1

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed

6 values for this fieldConfirm with the supplier.

Reduction ratioreduction_ratio

value

as printed 3030

source sentenceTransmission Ratio 30 50 80 100 120

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-08-28Changed —

Reduction ratioreduction_ratio

value

as printed 5050

source sentenceTransmission Ratio 30 50 80 100 120

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-08-28Changed —

Reduction ratioreduction_ratio

value

as printed 8080

source sentenceTransmission Ratio 30 50 80 100 120

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-08-28Changed —

Reduction ratioreduction_ratio

value

as printed 100100

source sentenceTransmission Ratio 30 50 80 100 120

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-08-28Changed —

Reduction ratioreduction_ratio

value

as printed 120120

source sentenceTransmission Ratio 30 50 80 100 120

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-08-28Changed —

Rated torquerated_torque

valuemeasured at Reduction ratio 30

as printed 15 Nm15 N·m

source sentenceRated Torque at 2000r/min input 15 Nm 25 Nm 34 Nm 40 Nm 40 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Rated torquerated_torque

valuemeasured at Reduction ratio 50

as printed 25 Nm25 N·m

source sentenceRated Torque at 2000r/min input 15 Nm 25 Nm 34 Nm 40 Nm 40 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Rated torquerated_torque

valuemeasured at Reduction ratio 80

as printed 34 Nm34 N·m

source sentenceRated Torque at 2000r/min input 15 Nm 25 Nm 34 Nm 40 Nm 40 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Rated torquerated_torque

valuemeasured at Reduction ratio Reduction ratio: 100 / 120

as printed 40 Nm40 N·m

source sentenceRated Torque at 2000r/min input 15 Nm 25 Nm 34 Nm 40 Nm 40 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio 30

as printed 27 Nm27 N·m

source sentencePeak Torque allowed during start/stop 27 Nm 56 Nm 74 Nm 82 Nm 87 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio 50

as printed 56 Nm56 N·m

source sentencePeak Torque allowed during start/stop 27 Nm 56 Nm 74 Nm 82 Nm 87 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio 80

as printed 74 Nm74 N·m

source sentencePeak Torque allowed during start/stop 27 Nm 56 Nm 74 Nm 82 Nm 87 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio 100

as printed 82 Nm82 N·m

source sentencePeak Torque allowed during start/stop 27 Nm 56 Nm 74 Nm 82 Nm 87 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio 120

as printed 87 Nm87 N·m

source sentencePeak Torque allowed during start/stop 27 Nm 56 Nm 74 Nm 82 Nm 87 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable average load torqueallowable_average_load_torque

valuemeasured at Reduction ratio 30

as printed 20 Nm20 N·m

source sentenceMaximum allowable average load torque 20 Nm 34 Nm 47 Nm 49 Nm 49 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable average load torqueallowable_average_load_torque

valuemeasured at Reduction ratio 50

as printed 34 Nm34 N·m

source sentenceMaximum allowable average load torque 20 Nm 34 Nm 47 Nm 49 Nm 49 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable average load torqueallowable_average_load_torque

valuemeasured at Reduction ratio 80

as printed 47 Nm47 N·m

source sentenceMaximum allowable average load torque 20 Nm 34 Nm 47 Nm 49 Nm 49 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable average load torqueallowable_average_load_torque

valuemeasured at Reduction ratio Reduction ratio: 100 / 120

as printed 49 Nm49 N·m

source sentenceMaximum allowable average load torque 20 Nm 34 Nm 47 Nm 49 Nm 49 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Peak torquepeak_torque

valuemeasured at Reduction ratio 30

as printed 50 Nm50 N·m

source sentenceInstantaneous Maximum Torque 50 Nm 98 Nm 127 Nm 147 Nm 147 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Peak torquepeak_torque

valuemeasured at Reduction ratio 50

as printed 98 Nm98 N·m

source sentenceInstantaneous Maximum Torque 50 Nm 98 Nm 127 Nm 147 Nm 147 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Peak torquepeak_torque

valuemeasured at Reduction ratio 80

as printed 127 Nm127 N·m

source sentenceInstantaneous Maximum Torque 50 Nm 98 Nm 127 Nm 147 Nm 147 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Peak torquepeak_torque

valuemeasured at Reduction ratio Reduction ratio: 100 / 120

as printed 147 Nm147 N·m

source sentenceInstantaneous Maximum Torque 50 Nm 98 Nm 127 Nm 147 Nm 147 Nm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Max input speedmax_input_speed

valuemeasured at Reduction ratio Reduction ratio: 30 / 50 / 80 / 100 / 120

as printed 6500 rpm6500 r/min

source sentenceMaximum allowable input speed 6500 rpm 6500 rpm 6500 rpm 6500 rpm 6500 rpm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Moment of inertiamoment_of_inertia

valuemeasured at Reduction ratio Reduction ratio: 30 / 50 / 80 / 100 / 120

0.193 (×10⁻⁴kg·m²)

source sentenceMoment of inertia 0.193 (×10⁻⁴kg·m²) 0.193 (×10⁻⁴kg·m²) 0.193 (×10⁻⁴kg·m²) 0.193 (×10⁻⁴kg·m²) 0.193 (×10⁻⁴kg·m²)

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Backlashbacklash

valuemeasured at Reduction ratio Reduction ratio: 30 / 50

≤20 arcsec

source sentenceBacklash ≤20 arcsec ≤20 arcsec ≤10 arcsec ≤10 arcsec ≤10 arcsec

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Backlashbacklash

valuemeasured at Reduction ratio Reduction ratio: 80 / 100 / 120

≤10 arcsec

source sentenceBacklash ≤20 arcsec ≤20 arcsec ≤10 arcsec ≤10 arcsec ≤10 arcsec

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Reduction ratioreduction_ratio

value

HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

source sentenceTransmission Ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceConflicting

Retrieved · Changed2026-09-01Changed —

Rated torquerated_torque

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

HS-20-II: 15 Nm HS-20-II: 25 Nm HS-20-II: 34 Nm HS-20-II: 40 Nm HS-20-II: 40 Nm

source sentenceRated Torque at 2000r/min input HS-20-II: 15 Nm HS-20-II: 25 Nm HS-20-II: 34 Nm HS-20-II: 40 Nm HS-20-II: 40 Nm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Allowable start/stop torqueallowable_startstop_torque

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

HS-20-II: 27 Nm HS-20-II: 56 Nm HS-20-II: 74 Nm HS-20-II: 82 Nm HS-20-II: 87 Nm

source sentencePeak Torque allowed during start/stop HS-20-II: 27 Nm HS-20-II: 56 Nm HS-20-II: 74 Nm HS-20-II: 82 Nm HS-20-II: 87 Nm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Allowable average load torqueallowable_average_load_torque

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

HS-20-II: 20 Nm HS-20-II: 34 Nm HS-20-II: 47 Nm HS-20-II: 49 Nm HS-20-II: 49 Nm

source sentenceMaximum allowable average load torque HS-20-II: 20 Nm HS-20-II: 34 Nm HS-20-II: 47 Nm HS-20-II: 49 Nm HS-20-II: 49 Nm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Peak torquepeak_torque

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

HS-20-II: 50 Nm HS-20-II: 98 Nm HS-20-II: 127 Nm HS-20-II: 147 Nm HS-20-II: 147 Nm

source sentenceInstantaneous Maximum Torque HS-20-II: 50 Nm HS-20-II: 98 Nm HS-20-II: 127 Nm HS-20-II: 147 Nm HS-20-II: 147 Nm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Max input speedmax_input_speed

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

as printed 6500 rpm6500 r/min

source sentenceMaximum allowable input speed 6500 rpm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Moment of inertiamoment_of_inertia

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

0.193 (×10⁻⁴kg·m²)

source sentenceMoment of inertia 0.193 (×10⁻⁴kg·m²)

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Backlashbacklash

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

HS-20-II: ≤20 arcsec HS-20-II: ≤20 arcsec HS-20-II: ≤10 arcsec HS-20-II: ≤10 arcsec HS-20-II: ≤10 arcsec

source sentenceBacklash HS-20-II: ≤20 arcsec HS-20-II: ≤20 arcsec HS-20-II: ≤10 arcsec HS-20-II: ≤10 arcsec HS-20-II: ≤10 arcsec

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

Allowable average input speedallowable_average_input_speed

valuemeasured at Reduction ratio Reduction ratio: 30 / 50 / 80 / 100 / 120

as printed 3500 rpm3500 r/min

source sentenceAllowable average speed 3500 rpm 3500 rpm 3500 rpm 3500 rpm 3500 rpm

sourcehttps://aifitlab.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-08-28Changed —

Allowable average input speedallowable_average_input_speed

valuemeasured at Reduction ratio HS-20-II: 30 HS-20-II: 50 HS-20-II: 80 HS-20-II: 100 HS-20-II: 120

as printed 3500 rpm3500 r/min

source sentenceAllowable average speed 3500 rpm

sourcehttps://robotopian.com/products/sito-drive-hs-20-ii-reducer · Distributor page

EvidenceSourced

Retrieved · Changed2026-09-01Changed —

specs 36, 36 shown

Source documents.

2 documents · 1 fields with several values

2 documents

aifitlab.com/products/sito-drive-hs-20-ii-reducerDistributor page · 27 valuesRetrieved 2026-08-28

robotopian.com/products/sito-drive-hs-20-ii-reducerDistributor page · 9 valuesRetrieved 2026-09-01

DownloadSource files are not published yet: which documents may be published is undecided.

1 fields with several values

2026-08-28first collected · 2 sources

multiple values · 1Reduction ratio

Next update2026-10-01

Change history kept

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JOINT · HS-20-II · C · Reducers

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SITO DRIVESITO DRIVE

WRC2026-AFL-SITODRIVE

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