Crossed roller bearings SX
Brand: PRS
Category: Bearing
Seal: Double-sided seal
Size: Inner diameter 70mm-500mm, Outer diameter 90mm-620mm
- Product Description
Crossed Roller Bearings SX: High-Precision Ultra-Thin Solution for Critical Applications
When your application demands exceptional precision in a compact design, Crossed roller bearings SX deliver the performance you need. This ultra-thin bearing arrangement highlights an necessarily internal ring and part external ring arrangement, making it perfect for applications requiring exact inward ring turn exactness. The SX plan combines the load-carrying capacity of crossed roller innovation with space-saving measurements, giving engineers with a dependable arrangement for requesting accuracy apparatus applications.
Understanding Crossed Roller Bearings SX Design
The SX arrangement utilizes a interesting auxiliary setup that sets it separated from standard bearing plans. The necessarily inward ring keeps up dimensional soundness and rotational precision, whereas the part external ring empowers disentangled establishment in restricted spaces.
Key Auxiliary Features
Split External Ring Arrangement: The two-piece external ring plan encourages simple get together and disassembly, especially beneficial in applications with constrained get to space.
Integral Inward Ring: The single-piece internal ring development guarantees steady dimensional precision and dispenses with potential misalignment issues between ring segments.
Crossed Roller Course of action: Round and hollow rollers situated at 90-degree points give concurrent spiral and hub stack back through a single bearing position.
Ultra-Thin Profile: Minimized cross-sectional tallness maximizes accessible space for other components whereas keeping up auxiliary integrity.
Working Principle and Load Distribution
The crossed roller setup empowers each roller to carry loads in opposite bearings. This course of action disperses complex loads over different contact focuses, lessening stretch concentrations and amplifying bearing benefit life.
The necessarily inward ring turns easily inside the stationary part external ring, keeping up exact situating exactness beneath shifting stack conditions. The roller-to-raceway contact geometry gives tall unbending nature and negligible versatile misshapening beneath load.

Technical Specifications
| Parameter | Specification |
|---|---|
| Inner Diameter Range | 70mm - 500mm |
| Outer Diameter Range | 90mm - 620mm |
| Ring Configuration | Integral inner ring, split outer ring |
| Seal Type | Double-sided seal |
| Load Capacity | Combined radial and axial loads |
| Precision Grade | Up to P4/P2 |
| Operating Temperature | -20°C to +120°C |
| Lubrication | Grease or oil lubrication |
Performance Advantages in Real Applications
Enhanced Exactness Control
The necessarily internal ring plan minimizes runout varieties, guaranteeing reliable rotational exactness basic for accuracy situating systems.
Space Optimization
Ultra-thin cross-section permits engineers to decrease generally hardware tallness whereas keeping up required stack capacity.
Simplified Assembly
Split external ring development decreases establishment time and complexity, especially in retrofit applications or kept gathering environments.
Load Versatility
Simultaneous dealing with of spiral loads, pivotal loads, and minute loads dispenses with the require for numerous bearing arrangements.
Target Applications
Precision Rotational Tables: CNC machining centers utilize SX orientation for exact workpiece situating amid complex machining operations.
Industrial Robot Joints: Six-axis robots utilize these heading in midsection and bear joints where exact internal ring turn is basic for situating accuracy.
Medical Imaging Hardware: CT scanners and X-ray situating frameworks depend on smooth, vibration-free revolution for high-resolution picture quality.
Semiconductor Fabricating: Wafer taking care of and review hardware advantage from the ultra-clean, exact movement characteristics.
Optical Rebellious: Telescope mounts and exactness optical hardware require the extraordinary rotational exactness given by the fundamentally internal ring design.
Quality Assurance and Manufacturing Excellence
At Luoyang Precision Bearing Co., Ltd., our Crossed roller bearings SX undergo rigorous quality control throughout the manufacturing process. Our 15,000 m² production facility employs over 200 high-precision machines operated by experienced technicians.
Manufacturing Standards
- ISO 9001, ISO 14001, ISO 45001 certified production
- Factory pass rate ≥ 99.9%
- Full-process quality control from raw material to final inspection
- 6S production management system
Technical Support
Our team of 35 technical engineers provides comprehensive application support, from initial bearing selection through installation guidance and performance optimization.
Selection Considerations
When specifying SX series bearings, consider the following factors:
Load Requirements: Evaluate combined radial, axial, and moment loads to ensure adequate capacity margins.
Mounting Configuration: Confirm that the split outer ring design aligns with your assembly requirements and access constraints.
Precision Requirements: Specify appropriate precision grade (P4 or P2) based on your application's accuracy needs.
Environmental Conditions: Consider operating temperature, contamination levels, and lubrication requirements.
Packaging & shipping
Your goods are unique, and their journey should be flawless. Therefore, we offer professional and customized packaging services. Our experienced team will evaluate your goods' characteristics, transportation route, and environmental requirements to recommend the most secure solution.

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Get Expert Guidance
Our engineering team stands ready to assist with bearing selection, custom modifications, and application optimization. Crossed roller bearings SX represent just one solution in our comprehensive precision bearing portfolio.
Contact our technical specialists at ljh@lyprs.com for detailed application analysis and product recommendations tailored to your specific requirements.
With over 20 years of precision bearing expertise and a commitment to engineering excellence, Luoyang Precision Bearing Co., Ltd. delivers reliable solutions that keep your critical applications running smoothly.











