Robotics Bearings

Powering High Speed and Stable Motion in Robotics

BKZ Industry robotics bearings deliver high precision, low friction, high rigidity, and reliable performance, enabling smooth and stable robotic movement even under demanding operating conditions.
Our bearings are widely used in:
• Industrial robots 

• Welding robots 

• Collaborative robots 

• Service robots
Engineered for precision. Built for reliability.

Bearing Challenges in Robotic Applications

Robotic systems demand extremely high performance from bearings. To ensure accurate motion and long service life, robotics bearings must overcome several critical engineering challenges.

Rapid start-stop movements during robotic operation require bearings with excellent dynamic performance.

Smooth and quiet operation is required to ensure stable performance in precision robotic systems.

Need to accurately position robotic joints to ensure precise movement and reliable positioning.

Continuously and long time 24/7 working under demanding robotic applications and operating conditions.

Repeatable motion requires bearings capable of maintaining consistent accuracy over millions of cycles.

Limited space in robotic joints requires compact bearings with high load capacity.

Multiple direction movement requires bearings capable of supporting complex loads from different directions.

High speed movement requires bearings that maintain stability and precision during fast motion.

What Makes BKZ Industry Robotics Bearings Stand Out?

To address the challenges of robotic applications, BKZ Industry designs robotics bearings using advanced technology, high-quality materials, and optimized structures to meet the demanding requirements of robotic systems.

Completely Customized Design

Each robotics bearing is custom-designed for specific robotic applications to ensure precise positioning, low friction torque, and optimized space utilization.

Advanced Bearing Materials

Using high-purity bearing steels such as GCr15 / 100Cr6 / SUJ2, high-cleanliness vacuum degassed steel, and ceramic rolling elements (Si₃N₄) to improve fatigue strength, wear resistance, and bearing durability.

Ultra-low Friction Torque

Achieved through super-finished raceway surfaces, ceramic rolling elements (Si₃N₄), optimized internal geometry including raceway curvature and contact angle, precision preload control, PEEK cages, and low-torque grease.

High Load Capacity

Achieved through crossed roller bearing design, optimized raceway geometry, and high-strength bearing steels such as 100Cr6 / GCr15 / SUJ2 to support heavy radial, axial, and moment loads.

Stable Performance

Ensured by high precision manufacturing (P4 / P2 accuracy), reinforced bearing structures, optimized internal clearance and preload, and precision raceway finishing.

Long Service Life and Reliability

Achieved through high-quality bearing materials, precision heat treatment processes, optimized load distribution, and advanced lubrication technology.

Robotic Applications for BKZ Industry Robotics Bearings

As a leading manufacturer of robotics bearings, BKZ Industry products are widely used in various robotic systems and applications. Some typical examples are shown below.

Industrial Robots

Collaborative Robots (Cobots)

Welding and Handling Robots

Assembly Automation Robots

Humanoid Robots

Service Robots

Warehouse and Logistics Robots

Medical and Surgical Robots

Agricultural Automation Robots

*Our bearings are also suitable for robotics not listed above. Contact us for application support.

What Types of Bearings Are Used in Robotics?

Different robotic systems and joint structures require different types of robotics bearings. Below are some commonly used bearings in robotic applications.

Slewing Bearings

Used in robot base rotation and heavy-load joints, it handles axial, radial, and moment loads. Provides high rigidity, compact design, smooth rotation, and reliable performance for precise, stable, high-torque robotic applications.

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Crossed Roller Bearings

Found in robotic arms and precision rotary units, this type delivers exceptional stiffness and accuracy. Its crossed roller design enables smooth, low-friction motion while maintaining stable performance under complex loads in compact spaces.

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Thin Section Bearings

Ideal for compact robotic joints and lightweight systems, these bearings maximize space efficiency without sacrificing performance. They deliver consistent precision, reduced weight, and smooth rotation, making them suitable for applications requiring tight design envelopes and reliable motion control.

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Four-Point Contact Ball Bearings

Widely used in robotic rotation units, this design supports axial loads in both directions along with radial forces. It enables compact arrangements, reduces bearing count, and ensures stable, precise motion under complex loading conditions.

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Cylindrical Roller Bearings

Applied in high-load robotic components and transmission systems, this type excels at carrying heavy radial loads. It offers high stiffness, durability, and reliable performance, making it suitable for demanding operations with continuous or shock loading conditions.

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Angular Contact Ball Bearings

Commonly applied in high-speed robotic joints and servo systems, this type manages combined loads efficiently. It delivers excellent axial stiffness, precise motion control, and stable performance, making it suitable for applications requiring accuracy and dynamic responsiveness.

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Needle Roller Bearings

Used in space-constrained robotic mechanisms, this type provides high load capacity within a very compact profile. It enables efficient performance, supports heavy radial loads, and ensures smooth operation in lightweight and tightly integrated designs.

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Deep Groove Ball Bearings

Commonly used in motors and general robotic mechanisms, this type offers low friction and high-speed capability. It supports radial and light axial loads, ensuring smooth, quiet operation and reliable performance in a wide range of applications.

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Other Popular Bearing Industries

BKZ Industry extends its expertise beyond robotics, offering customized bearing solutions for various industries where performance, reliability, and efficiency are critical to operational success.