Robot Joint Modules

eRob70F Ultra-Short Robot Joint

Ultra-short form factor โ€” 70 mm F-type joint at only 60.4 mm axial length

ModeleRob70F-Ultra
SerieseRob Series
โœ“ Global Stock Networkโœ“ Custom Gear Ratiosโœ“ Application Engineeringโœ“ STO Safety Compliant
eRob70F-Ultra product image 1
eRob70F-Ultra
Model

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Product Overview

The eRob70F Ultra-Short is the compact flange-output variant of the eRob70F, achieving an axial length of just 60.4 mm (without brake) in a 70 mm outer diameter, 0.77 kg package. Delivering 35 Nm peak torque from a 75 W motor, it is optimised for space-critical installations where every millimetre of axial length matters.

The eRob70F-Ultra is a fully integrated rotary actuator combining servo motor, harmonic gear reducer, encoders, servo electronics, and compact mechanical packaging in a single assembly.

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Outer Diameter
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Weight
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Hollow Shaft
18 mm
๐Ÿ’ช
Max Torque
โ€”
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Max Speed
โ€”
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Gear Ratios
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Output Type
Integrated robot joint module

Key Specifications

Critical performance parameters at a glance

๐Ÿ“Š
70mm
Outer Diameter
๐Ÿ“Š
60.4mm
Length (without brake)
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0.77kg
Weight
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35Nm
Peak Torque
๐Ÿ“Š
60RPM
Maximum Speed
๐Ÿ“Š
75W
Motor Power
๐Ÿ“Š
EtherCAT, CANopen, Modbus
Communication Protocols

Technical Specifications

Physical

Outer Diameter
70 mm
Length (without brake)
60.4 mm
Weight
0.77 kg

Performance

Peak Torque
35 Nm
Maximum Speed
60 RPM
Motor Power
75 W

Control

Communication Protocols
EtherCAT, CANopen, Modbus

Product Attributes

Weight
0.77 kg
Length
60.4 mm (no brake) / 67.7 mm (with brake)
Output Type
F-type flange (ultra-short)
Motor Power
75 W

Industrial Applications

These products support advanced robotics, automation, and industrial motion systems where precision, durability, and integration quality are important.

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Industrial Automation

Used in automation systems where dependable motion performance and integration quality are required.

AutomationIndustrialMotion control
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Robotics

Supports robotic subsystems that require reliable motion, control, or feedback components.

RoboticsPrecisionOEM
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Machine Building

Integrated into custom equipment and OEM platforms where motion-system performance matters.

Machine buildersOEMIntegration
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Precision Equipment

Applied in specialist systems requiring stable performance, compact packaging, and dependable operation.

PrecisionCompactReliable
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Material Handling

Used in handling, transfer, and positioning systems across industrial applications.

HandlingPositioningIndustrial
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Custom Engineering

Selected for engineered systems where application-specific performance and packaging are critical.

CustomEngineeringSystems
Customization Available

Factory Modification & Custom Sourcing

This product supports custom configurations and equivalent sourcing

Available Modifications

  • โ€ขTorque and speed ratio customization
  • โ€ขMounting interface modifications
  • โ€ขConnector and wiring specifications
  • โ€ขHousing and enclosure options

Sourcing Options

  • โ€ขStandard product sourcing
  • โ€ขEquivalent product identification
  • โ€ขReplacement part sourcing
  • โ€ขVolume pricing (MOQ may apply)
Expert Answers

Frequently Asked Questions

Technical answers sourced from engineering specifications and integration guides.

The eRob70F Ultra-Short achieves just 60.4 mm axial length in a 70 mm diameter, 0.77 kg package, optimised for space-critical robot joint installations.

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