Robot Joint Modules

eRob90I Robot Joint Module

Build robots faster with 191 Nm in a 90 mm I-type integrated joint — 48V ready

ModeleRob90I
SerieseRob Series
Global Stock Network Custom Gear Ratios Application Engineering STO Safety Compliant
eRob90I product image 1
eRob90I
Model

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Product Overview

The eRob90I is a 90 mm diameter I-type integrated joint module delivering 191 Nm peak momentary torque from a 48V DC system. Weighing 1.506 kg with a 75.9 mm length, it combines all eight core subsystems in a single unit — eliminating separate drives, encoders, and gearboxes to accelerate robotic system development.

The eRob90I is a fully integrated rotary actuator combining servo motor, harmonic gear reducer, encoders, servo electronics, and compact mechanical packaging in a single assembly.

📐
Outer Diameter
⚖️
Weight
🔩
Hollow Shaft
18 mm
💪
Max Torque
🔄
Max Speed
⚙️
Gear Ratios
🎯
Output Type
Integrated robot joint module

Key Specifications

Critical performance parameters at a glance

📊
90mm
Outer Diameter
📊
75.9mm
Length
📊
1.506kg
Weight
📊
191Nm
Peak Momentary Torque
📊
60RPM
Maximum Output Speed
📊
48V DC (±10%)
Input Voltage
📊
20-50 / 20-80 / 20-100 / 20-120
Available Gear Ratios
📊
19-bit absolute multiturn
Encoder Resolution

Technical Specifications

Physical

Outer Diameter
90 mm
Length
75.9 mm
Weight
1.506 kg

Performance

Peak Momentary Torque
191 Nm
Maximum Output Speed
60 RPM
Input Voltage
48V DC (±10%)
Available Gear Ratios
20-50 / 20-80 / 20-100 / 20-120

Control

Encoder Resolution
19-bit absolute multiturn
Repeatability
±7 arc seconds
Communication Protocols
EtherCAT, CANopen, Modbus

Product Attributes

Weight
1.506 kg
Outer Diameter
90 mm
Length
75.9 mm
Output Type
I-type (inline hollow shaft)
Gear Ratios
20-50 / 20-80 / 20-100 / 20-120
Input Voltage
48V DC

Industrial Applications

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

🏭

Industrial Automation

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

AutomationIndustrialMotion control
🤖

Robotics

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

RoboticsPrecisionOEM
⚙️

Machine Building

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

Machine buildersOEMIntegration
🔬

Precision Equipment

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

PrecisionCompactReliable
📦

Material Handling

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

HandlingPositioningIndustrial
🛠️

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

  • Torque and speed ratio customization
  • Mounting interface modifications
  • Connector and wiring specifications
  • Housing and enclosure options

Sourcing Options

  • Standard product sourcing
  • Equivalent product identification
  • Replacement part sourcing
  • Volume pricing (MOQ may apply)

Request Pricing & Availability

Submit an RFQ for standard products, custom configurations, or equivalent alternatives

Expert Answers

Frequently Asked Questions

Technical answers sourced from engineering specifications and integration guides.

The eRob90I delivers 191 Nm peak torque from a 48V DC system in a 90 mm diameter, 75.9 mm length, 1.506 kg housing.

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