Cross Roller Bearings for Harmonic Reducers
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Crossed Roller Bearings
Crossed Roller Bearings
High-Rigidity Crossed Roller Bearings for Precision Applications
Our crossed roller bearings feature rollers arranged alternately at 90°, enabling simultaneous handling of radial, axial, and moment loads within a compact, slim profile. Manufactured to strict tolerances with superior rigidity and rotational accuracy, they deliver consistent performance under demanding conditions. These bearings are widely used in industrial robots, semiconductor equipment, medical imaging systems, and precision rotary tables.
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Product Category
Configure Your Crossed Roller Bearing
Every BOM crossed roller bearing is engineered for high precision motion applications. Select from the options below to match your load capacity, rigidity, accuracy and mounting requirements.
01
Ring Configuration
Integrated, split inner ring or split outer ring designs for flexible installation and preload adjustment.
02
Roller Arrangement
Crossed cylindrical rollers arranged at 90° intervals to handle radial, axial and moment loads simultaneously.
03
Cage Design
Spacer cages or full complement roller designs optimized for smooth operation and high rigidity.
04
Mounting Method
Standard mounting holes or customized interfaces for easy integration into precision equipment.
05
Sealing Options
Open, shielded or sealed configurations to protect against contamination and maintain lubrication.
06
Preload Class
Light, medium or heavy preload options for balancing friction, rigidity and rotational accuracy.
Tolerance & Accuracy Classes
Manufactured according to precision crossed roller bearing standards to achieve high rotational accuracy, superior rigidity and stable performance in advanced motion applications.
| Standard | Accuracy Class | Controlled Parameters | Typical Use |
|---|---|---|---|
| Normal Grade | Standard | Dimensional accuracy, clearance and running performance | General precision machinery |
| Precision Grade | P Grade | Improved rotational accuracy and reduced friction variation | Industrial robots and automation equipment |
| High Precision Grade | SP Grade | Running accuracy, preload control and rotational stiffness | Semiconductor equipment and precision stages |
| Ultra Precision Grade | UP Grade | Ultra-low runout, high rigidity and repeatable positioning | Metrology systems and advanced motion platforms |
| Customized Grade | Special Accuracy | Customized preload, clearance and performance requirements | Special automation and high-end equipment |
ISO 9001 IATF 16949 RoHS Compliant
Where They Perform Best
Robotics
High rigidity rotary solutions for robot joints requiring precise movement and repeatability.
Semiconductor Equipment
Ultra-precision bearings for clean environments and accurate positioning systems.
Machine Tools
High stiffness bearings for rotary tables, indexing units and precision axes.
Medical Equipment
Smooth and accurate rotation for imaging systems and advanced medical devices.
Frequently Asked Questions
What loads can a crossed roller bearing carry?+
Crossed roller bearings can support radial, axial and moment loads simultaneously due to their 90° alternating roller arrangement.
Why choose a crossed roller bearing?+
They provide excellent rotational accuracy, high rigidity and compact dimensions, making them ideal for precision motion applications.
Can you supply customized crossed roller bearings?+
Yes. Size, preload, accuracy class, mounting dimensions and lubrication specifications can be customized according to equipment requirements.
What is your minimum order quantity?+
MOQ depends on bearing size, precision grade and production requirements. Contact our team for a customized quotation.
Custom Bearings
Your One-Stop
Customization Solutions
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Initial Inquiry01Share needs, expert contact <24h.
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Technical Review02Tailored solutions: peak performance, fair cost.
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Solution & Proposal03Tailored solutions: peak performance, fair cost.
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Factory Tour & Audit04Witness Quality Control firsthand.
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Manufacturing05Process & inspection: consistent quality.
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Partnership & Support06Beyond delivery: lifetime tech support.