Stokes package on the Unitree B2
Bear
Bear is the Stokes Robotics corrections robot dog package built on the Unitree B2, part of our Corrections Officer Robotic Assistant System (CORAS®) packages.
60 kg
Weight
5 m/s
Top speed
5+ h
Endurance
IP67
Rating
Starting at $88,900.00
Paying with a purchase order or need a formal quote for approval? Request a quote and our sales team will build it with you.
Secure online checkout
Headquarters in Carl Junction, Missouri, USA
Curriculum and operator training available
Overview
Bear at a glance
01
Set up for corrections
Stokes secondary development configures Bear for corrections work as part of our CORAS packages.
02
Built for long shifts
Unitree lists over 5 hours and 20 km of walking without a load.
03
Rated for weather
IP67 protection and a -20 to 55 °C operating range.
04
Ready for inspection
Navigation kit and inspection packages add LiDAR, SLAM, thermal imaging, and a robotic arm.
What it is
A corrections robot dog built on an industrial platform
Bear starts with the Unitree B2 and adds Stokes Robotics secondary development on top. The B2 is a full-size industrial quadruped that walks with 40 kg or more on board and carries an IP67 rating, and Bear is part of our Corrections Officer Robotic Assistant System (CORAS) packages.
Bear is offered on all eight B2 configurations, from the standard unit to the Basic navigation kit and six inspection packages with laser SLAM, thermal imaging, and a robotic arm.
Where Bear works
Built for three kinds of programs
Corrections (CORAS)
Bear is part of our Corrections Officer Robotic Assistant System packages.
Large facilities
An IP67 platform for indoor and outdoor areas, with 40 kg or more on board.
Inspection
Thermal imaging and laser SLAM packages for routine inspection rounds.
Specifications
Bear specifications
Figures come from Unitree Robotics published specifications and Stokes Robotics product data. Figures vary by configuration.
| Specification | Bear (Unitree B2) |
|---|---|
| Size and weight | |
| Standing (L × W × H) | About 1098 × 450 × 645 mm |
| Lying prone (L × W × H) | About 880 × 460 × 330 mm |
| Weight with battery | About 60 kg |
| Performance | |
| Top speed | 5 m/s |
| Walking load | 40 kg or more |
| Standing load | 120 kg or more |
| Stairs | Up and down 40 cm steps going forward |
| Climbing angle | Over 45° |
| Maximum joint torque | About 360 N·m |
| Endurance | |
| Without load | Over 5 hours and over 20 km of walking |
| With a 20 kg load | Over 4 hours and over 15 km of walking |
| Power | |
| Battery | 45 Ah, 2250 Wh, quick-change |
| Charging | Supports up to 15 A charging |
| Environment | |
| Protection rating | IP67 |
| Operating temperature | -20 to 55 °C |
| Sensing and computing | |
| Cameras | Multiple depth camera and HD camera groups |
| Computing | Intel Core i5 (platform) and Intel Core i7 (user development), with optional Intel Core i7 or NVIDIA Orin NX boards |
| Interfaces | 4 × Gigabit Ethernet, 4 × USB 3.0 |
| Configurations | |
| Navigation Kit (Basic) | 32-line automotive-grade 3D LiDAR, Intel Core i7 board with navigation algorithms, and SDK |
| Inspection A | Industry laser SLAM kit, protection bracket, contact charger, emergency stop, network module, and inspection management platform |
| Inspection B | Inspection A plus a dual-light gimbal camera with thermal imaging and 32× optical zoom |
| Inspection C | Inspection B plus a Z1 Pro robotic arm with a D435i camera on the gripper |
Source: Unitree Robotics published specifications and Stokes Robotics product data for the B2. Configuration options change what is installed. Your quote lists the exact configuration.
Choose your starting point
Bear or Unitree B2
Both are built on the same B2 platform. The difference is the Stokes development that comes with Bear.
Stokes package
Bear
Hardware
Unitree B2, 8 configurations
Stokes development
Included, set up before delivery
Setup
Set up for your industry and job before it ships
Best for
Corrections agencies (CORAS packages)
Base robot
Unitree B2
Hardware
Unitree B2, 8 configurations
Stokes development
Not included
Setup
You configure the robot for your application
Best for
Teams with their own engineers
What's included
Out of the box, and what you can add
Bear robot dog
Unitree B2, configuration you choose
Stokes secondary development
Set up before delivery
Battery
BT2-10 standard battery, 45 Ah
Battery charger
B2 charger
Remote controller
Dedicated B2 remote
Onsite Setup and Training
We set up the robot at your site and train the people who will run it. Training materials included.
+ $5,000.00
Online Training
Online training for the people who will run the robot, with training materials included.
+ $2,500.00
Connectivity Package
A laptop with preloaded software, a Wi-Fi router that gives the robot its own stand-alone network, and a phone for touch-screen control and a live camera view.
+ $5,000.00
STEMBOTICS Curriculum License
STEMBOTICS curriculum license for classroom robotics programs, from a Stokes Robotics team that has written robotics curriculum since 2013.
+ $4,000.00
What Stokes Robotics adds
More than the hardware
Secondary development
Our Stokes packages come with software and hardware set up for the way you will use the robot.
Curriculum
Our team has written STEM curriculum since 2005 and robotics curriculum since 2013.
Training
Onsite and online training for the people who run the robot day to day.
Buying
Two ways to buy Bear
Buy online
Checkout now
- Choose your configuration and add-ons
- Check out securely online
- We prepare your robot before it ships
- Training is scheduled if you added it
Request a quote
Buy through your organization
- Tell us where the robot will work
- We talk through your site and configuration
- You get a written quote for approval
- The robot ships once the order is placed
Questions
Bear FAQ
Bear is built on the same B2 configurations and includes Stokes Robotics secondary development, set up for the way you will use it. The Unitree B2 is sold without Stokes development.
Stokes secondary development elevates the robot for a specific industry and job. For Bear, that means setting it up for corrections work as part of our CORAS packages, with training and development that enhances what the robot can do.
Unitree lists over 5 hours and over 20 km of walking without a load, and over 4 hours and over 15 km with a 20 kg load, from the 45 Ah, 2250 Wh battery.
Yes. The B2 platform carries an IP67 protection rating and an operating range of -20 to 55 °C, according to Unitree.
Yes. We offer onsite setup and training and online training for the people who will run Bear, before and after the sale. Both are optional add-ons you can choose at checkout or in your quote request.
Yes. Choose your configuration, add-ons, and quantity, then check out online. If your school, agency, or company needs a purchase order or a formal quote, request a quote and our sales team will build it with you.
Related robots
You might also consider
Aero-W
Aero-W is the Stokes Robotics wheel-legged security and inspection robot dog package built on the Unitree A2-W, used in our Security and Inspections Robotic Assistant System (SIRAS).
Aero
Aero is the Stokes Robotics security and inspection robot dog package built on the Unitree A2, used in our Security and Inspections Robotic Assistant System (SIRAS).
SHEP
SHEP is the Stokes Robotics robot dog package built on the Unitree Go2, set up for your industry and job, with curriculum and training options for schools, agencies, and companies.
SHEP-W
SHEP-W is the Stokes Robotics wheel-legged robot dog package built on the Unitree Go2-W, set up for inspection, public safety, and research work before it ships.
Next step
Put Bear to work
Order online today, or tell us where the robot will work and our sales team will put together a quote.


