Bearings that Balance Load and Smooth Motion in Humanoid Robots

Smooth, controlled movement is central to the lifelike appearance and functionality of a humanoid robot. Whether walking, gesturing, or manipulating objects, humanoid robots rely on motion systems that are quiet, precise, and durable. And at the heart of these systems? Ball Bearings.

NMB high-precision Ball Bearings are engineered to support both radial and axial loads in humanoid robotic joints and actuators. They play a crucial role in achieving the natural, fluid motion that defines advanced robotics.

The Role of Bearings in Humanoid Robots

Every major joint in a humanoid robot—from ankles and knees to wrists and necks—relies on rotational motion. Bearings enable this motion by reducing friction and supporting loads as limbs extend, rotate, or shift dynamically.

Because humanoid robots must often operate quietly in public or domestic environments, bearing selection is critical. Poor-quality bearings can introduce vibration, noise, and uneven resistance that degrade the robot’s perceived intelligence.

What Sets Our Bearings Apart

• High load capacity despite compact size
• Ultra-low noise thanks to precision raceway finish and ball grade
• Extended life cycle with advanced lubrication and sealing options
• Customizable materials for corrosion or electromagnetic resistance

We offer a broad portfolio of miniature and thin-section ball bearings specifically for robotics. Our solutions are found in high-speed neck actuators, precision wrists, servo motor assemblies, and anywhere else that demands smooth rotation in a tight space.

Key Applications

• Knee and ankle pivots: Load-bearing joints for bipedal locomotion
• Wrist articulation: Smooth and repeatable positioning for manipulation tasks
• Neck and head movement: Silent, fluid motion for expressive behavior
• Finger joints: Miniature size for compact, precise articulation

Our team works closely with design engineers to select the right bearing geometry, preload, and lubrication formula for your unique use case.

When it comes to enabling lifelike motion, not all bearings are created equal. NMB high-precision ball bearings deliver the reliability, quietness, and load-handling you need to bring your humanoid robots to life. Invest in motion components that match your innovation.