R8-3+

Name: R8-3+
SKU: R8-3+

Model / article: R8-3+

R8-3+ is listed by HEBI Robotics in Servo actuators. Published model data includes Continuous output torque: 4 N-m (continuous); Peak output torque: 8 N-m (peak). See the specification table for operating conditions and source evidence.

R-Series

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Product overview

Manufacturer / supplier: HEBI Robotics
Series: R-Series
Component type: Servo actuators
Source: Open published source

Published pricing

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Published specifications

Values are shown as published. Conditions, rating basis and source evidence apply to each value.

Latest source observation: 2026-09-06. Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for R8-3+
Specification	Published value	Conditions and source
BacklashModel-level statement	+/- 0.25°	rule validated Operating conditions scope note Shared specification in the assigned manufacturer datasheet tolerance plus/minus Source evidence Backlash +/- 0.25° Configuration R8-3+, backlash Source observed: 2026-09-06View source
Communication interfaceModel-level statement	2x 100 Mbps Plastic Optical Fiber (OptoLock ®)	rule validated Operating conditions scope note Shared specification in the assigned manufacturer datasheet Source evidence Communication 2x 100 Mbps Plastic Optical Fiber (OptoLock ®) Configuration R8-3+, communication_bus Source observed: 2026-09-06View source
Continuous currentModel-level statement	1.0 ARating: continuous	rule validated Operating conditions housing group R8 voltage v 36 Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Power Cont. Current: 1.0 A @ 36V Cont. Current: 1.5A @ 36V Configuration R8-3+, continuous_current Source observed: 2026-09-06View source
Continuous output torqueModel-level statement	4 N-mRating: continuous	rule validated Operating conditions configuration R8-3+ rating basis manufacturer datasheet; consult performance curve for thermal conditions Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Cont. Torque 4 N-m 10 N-m 20 N-m 8 N-m 20 N-m 40 N-m Configuration R8-3+, Cont. Torque Source observed: 2026-09-06View source
DimensionsModel-level statement	156mm x 78mm x 51mm	rule validated Operating conditions housing group R8 Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Dimensions 156mm x 78mm x 51mm 198mm x 112mm x 69mm Configuration R8-3+, dimensions Source observed: 2026-09-06View source
Encoder resolutionModel-level statement	0.005° Resolution	rule validated Operating conditions scope note Shared specification in the assigned manufacturer datasheet Source evidence Angular 0.005° Resolution Configuration R8-3+, encoder_resolution Source observed: 2026-09-06View source
Gear ratioModel-level statement	272.222 : 1	rule validated Source evidence T8-3 / T8-3+ R8-3 / R8-3+ \| Gear Ratio: 272.222 : 1 table 3, row 5 Source observed: 2026-09-06View source
Ingress protection ratingModel-level statement	IP67	rule validated Operating conditions scope note Shared specification in the assigned manufacturer datasheet Source evidence environments. R-Series Actuators are sealed to IP67 and Configuration R8-3+, ip_rating Source observed: 2026-09-06View source
Product massModel-level statement	670 g	rule validated Operating conditions configuration R8-3+ rating basis manufacturer datasheet; consult performance curve for thermal conditions Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Mass 670 g 685 g 715 g 1.9 kg 1.9 kg 1.9 kg Configuration R8-3+, Mass Source observed: 2026-09-06View source
Maximum output speedModel-level statement	110 RPMRating: maximum	rule validated Operating conditions configuration R8-3+ rating basis manufacturer datasheet; consult performance curve for thermal conditions Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Max Speed 110 RPM 39 RPM 20 RPM 118 RPM 47 RPM 23 RPM Configuration R8-3+, Max Speed Source observed: 2026-09-06View source
Operating temperature rangeModel-level statement	-10°C to 50°C	rule validated Operating conditions scope note Shared specification in the assigned manufacturer datasheet Source evidence Temperature -10°C to 50°C Ambient / IP67 Configuration R8-3+, operating_temperature Source observed: 2026-09-06View source
Peak currentModel-level statement	2.5ARating: peak	rule validated Operating conditions housing group R8 voltage v 36 Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Peak Current: 2.5A @ 36V Peak Current: 5A @ 36V Configuration R8-3+, peak_current Source observed: 2026-09-06View source
Peak output torqueModel-level statement	8 N-mRating: peak	rule validated Operating conditions configuration R8-3+ rating basis manufacturer datasheet; consult performance curve for thermal conditions Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| Peak Torque 8 N-m 23 N-m 44 N-m 16 N-m 40 N-m 80 N-m Configuration R8-3+, Peak Torque Source observed: 2026-09-06View source
Clear through-bore diameterModel-level statement	15mm	rule validated Operating conditions housing group R8 Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| (w/ connector 15mm hollow bore 20mm hollow bore Configuration R8-3+, through_bore Source observed: 2026-09-06View source
Supply voltage rangeModel-level statement	24-48V DC	rule validated Operating conditions housing group R8 Source evidence Configuration R8-3+ R8-9+ R8-16+ R25-8 R25-20 R25-40 \| 24-48V DC 36-48V DC Configuration R8-3+, voltage_range Source observed: 2026-09-06View source

Technical documents and resources

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