UNIVERSAL ROBOTS
UR8 Long Technical Specification
Long Reach. Lean Footprint. No compromise.
The UR8 Long offers a 1750 mm reach and an 8 kg payload in a compact, lightweight design. Ideal for welding, pick & place and quality inspection, it excels in applications requiring precise linear motion and high-speed acceleration. With advanced joint architecture and accurate torque control, it's the perfect cobot for tasks demanding both reach and precision.
Today, more than 100,000 UR collaborative industrial robots have been delivered to customers across industries and around the world. The newest series of UR cobots brings unparalleled performance, adaptability and user experience.
Updated September 2025.
UR8 Long General Specification
| Specification | Value |
|---|---|
| Payload | 8 kg (17.6 lbs) |
| Reach | 10 kg (22 lbs) with boundary conditions according to the manual. 1750 mm (68.9 in) |
| Degrees of freedom | 6 rotating joints |
| Programming | 12 inch touchscreen with PolyScope graphical user interface |
| Power consumption (average) | 615 W |
| Maximum power | 350 W |
| Moderate operating settings | Ambient temperature: 0-50°C (32-122°F) |
| Safety functions | 17 configurable safety functions |
| In compliance with | EN ISO 13849-1 (PLd Category 3), EN ISO 10218-1 and UL 1740 |
| Joint architecture | 2-1-3 |
UR8 Long Robot Arm
Performance
| Measurement | Force, x-y-z | Torque, x-y-z |
|---|---|---|
| Force sensing, tool flange/torque sensor | ± 150.0 N | ± 10.0 Nm |
| Range | ± 7.5 N | ± 0.2 Nm |
| Precision | ± 8.3 N | ± 0.5 Nm |
| Accuracy |
Movement
| Movement | Working range | Maximum speed |
|---|---|---|
| Max TCP speed | 6 m/s | |
| Pose repeatability per ISO 9283 | ± 0.05 mm / ± 0.081 mm per ISO 9283 (± 0.0019 in / ± 0.0031 in per ISO 9283) | |
| Axis movement | ||
| Base | ± 360° | ± 180°/s |
| Shoulder | ± 360° | ± 180°/s |
| Elbow | ± 360° | ± 240°/s |
| Wrist 1 | ± 360° | ± 300°/s |
| Wrist 2 | ± 360° | ± 300°/s |
| Wrist 3 | ± 360° | ± 300°/s |
Features
| Feature | Value |
|---|---|
| IP Classification | IP65 |
| Noise | < 67 dB(A) |
| Status identification | Light ring at robot base |
| Arm mounting | Any orientation |
| I/O Ports at tool flange | |
| Digital In | 2 |
| Digital Out | 2 |
| Analog In | 2 |
| Power supply voltage | 12/24 V |
| Power supply | 2 A (Dual pin), 1 A (Single pin) |
Physical
| Physical Property | Value |
|---|---|
| Footprint | Ø204 mm |
| Materials | Aluminum, plastic, steel |
| Tool flange | ISO 9409-1-50-4-M6 |
| Connector type | M8 8-pin female |
| Cable length (robot arm) | 6 m (236 in) |
| Weight including cable | 44.7 kg (98.5 lb) |
| Humidity | ≤ 90% RH (non-condensing) |
3-Position Enabling Teaching Pendant
Features
| Feature | Value |
|---|---|
| IP classification | IP54 |
| Humidity | ≤ 90% RH (non-condensing) |
| Display resolution | 1280 x 800 pixels |
Physical
| Physical Property | Value |
|---|---|
| Materials | Plastic |
| Teach pendant size (W x H x D) | 300 mm x 231 mm x 50 mm (11.8 in x 9.1 in x 1.97 in) |
| Weight | 1.8 kg (3.961 lbs) including 1 m of teach pendant cable |
| Cable length | 4.5 m (177.17 in) |
Control Box
Features
| Feature | Value |
|---|---|
| IP classification | IP44 |
| Humidity | ≤ 90% RH (non-condensing) |
| I/O Ports | |
| Digital In | 16 |
| Digital Out | 16 |
| Analog In | 2 |
| Analog Out | 2 |
| Quadrature digital inputs | 4 |
| I/O Power Supply | 24V, 2A |
| Industrial protocols | Modbus TCP (Client/Server), Ethernet/IP Adapter, PROFINET device, PROFIsafe, ROS/ROS2 |
| Hardware interfaces | Ethernet 1 Gb/s, USB 2.0, USB 3.0, Mini DisplayPort |
| Injection Moulding Machine Interface | (SPI AN-146 & Euromap-67)* |
| Power Source | 100-240 VAC, 50-60 Hz |
Physical
| Physical Property | Value |
|---|---|
| Control Box Size (W x H x D) | 460 mm x 449 mm x 254 mm (18.2 in x 17.6 in x 10 in) |
| Weight | 12 kg (26.5 lbs) |
| Materials | Powder coated steel |
*Only valid for OEM version.
Diagrams and Dimensions
A visual depiction of the UR8 Long collaborative robot arm, a six-axis robotic arm with a sleek, modern design.
Interface for UR8 Long base flange: Shows a circular flange with a 175.50 mm diameter, featuring a 6x M10-6H mounting pattern and a central opening.
Tool flange for UR8 Long: Conforms to ISO 9409-1-50-4-M6, with a 57.40 mm diameter, 4x M6-6H mounting pattern, and a central bore.
Dimensions and reach UR8 Long: Illustration showing the UR8 Long robot arm's dimensions and reach. Shows the robot in a compact configuration and an extended reach configuration, with key dimensions labeled.
UR8 Long payload curve: A line graph titled 'UR8 Long payload curve'. Y-axis: Payload [kg] (0-12). X-axis: Center of gravity offset [mm] (0-600). Two lines are shown: 'Full performance' (decreasing from 8kg at 0mm to ~4kg at 600mm) and 'Moderate operating settings' (decreasing from 10kg at 0mm to ~6kg at 600mm).
Contact Information
Universal Robots A/S
Energivej 51
5260 Odense
Denmark
Phone: +45 89 93 89 89
Email: sales@universal-robots.com
Website: https://www.universal-robots.com








