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1 / 1specs 14evidence [n]sources 1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Storage temperaturestorage_temperature
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
-20°C ~ 70°C
source sentenceStorage Temperature Range -20°C ~ 70°C
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Ambient temperatureambient_temperature
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
-15°C ~ 65°C
source sentenceOperating Temperature Range -15°C ~ 65°C
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
92 (excluding accessory)
source sentenceWeight (g) 92 (excluding accessory)
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated voltagerated_voltage
value
8.4V / 12.0V / 16.8V
source sentenceOperating Voltage 8.4V / 12.0V / 16.8V
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Stall currentstall_current
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 4.0; 12.0V: 5.0; 16.8V: 6.0
source sentenceStall current (A) 8.4V: 4.0; 12.0V: 5.0; 16.8V: 6.0
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 15; 12.0V: 21; 16.8V: 30
source sentenceRated torque (kg·cm) 8.4V: 15; 12.0V: 21; 16.8V: 30
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 1.0; 12.0V: 1.2; 16.8V: 1.6
source sentenceRated current (A) 8.4V: 1.0; 12.0V: 1.2; 16.8V: 1.6
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
No-load speedno_load_speed
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 0.17; 12.0V: 0.14; 16.8V: 0.11
source sentenceNo load speed (sec/60°) 8.4V: 0.17; 12.0V: 0.14; 16.8V: 0.11
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
No-load currentno_load_current
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 320; 12.0V: 370; 16.8V: 440
source sentenceRunning current (at no load) (mA) 8.4V: 320; 12.0V: 370; 16.8V: 440
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Pulse width rangepulse_width_range
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
800~2200 μsec (customizable)
source sentencePulse Width Range 800~2200 μsec (customizable)
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Dead band widthdead_band_width
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
as printed 2 μsec2 μs
source sentenceDead Band Width 2 μsec
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Stall torquestall_torque
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
8.4V: 42; 12.0V: 60; 16.8V: 85
source sentencePeak stall torque (kg·cm) 8.4V: 42; 12.0V: 60; 16.8V: 85
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
20 × 40 × 42.6
source sentenceSize (mm) 20 × 40 × 42.6
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Output splineoutput_spline
valuemeasured at Rated voltage 8.4V / 12.0V / 16.8V
25T - φ7.96mm
source sentenceOutput Spline 25T - φ7.96mm
sourcehttps://aifitlab.com/products/ocservo-ocs-851bl-servo-motor · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
specs 14, 14 shown
Source documents.
1 source the values were read from
1 documents
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-08-28first collected · 1 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
Put a motor, a reducer and an encoder into the slots to see whether they combine.
Check joint combinationsJOINT · OCS-851BL · B · Motors
StatusNeeds checking
- Missing specs for the joint check
- No verdict: the specification keys it needs are not settled
To settle before a verdict
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