SX Series Crossed Roller Bearing

SX Series Crossed Roller Bearing: Ultra-Thin High-Precision Solution

When your precision equipment demands exceptional rigidity in minimal space, the SX Series Crossed Roller Bearing delivers engineered solutions for high-performance applications. These ultra-thin orientation highlight an indispensably inward ring with part external ring plan, particularly built for applications requiring prevalent internal ring rotational precision. With demonstrated capability to handle complex multi-directional loads in a single compact unit, these orientation kill the require for conventional dual-bearing arrangements in space-critical applications.

What Makes SX Series Crossed Roller Bearings Different?

The SX arrangement speaks to a crucial headway in bearing building. The assignment "SX" shows Standard setup with eXceptional inflexibility characteristics. These orientation utilize round and hollow rollers orchestrated orthogonally at 90-degree points, isolated by exactness spacers to avoid roller-to-roller contact.

Core Structural Features

The bearing comprises an fundamentally internal ring and a part external ring gathering. The external ring isolates into two segments, secured by three exactness holding rings. This setup permits simple establishment whereas keeping up basic astuteness amid operation.

Cylindrical rollers position crosswise between V-shaped raceways, making line contact or maybe than point contact. This geometry conveys loads over bigger surface zones, essentially diminishing contact stretch and amplifying operational life.

Technical Specifications

Performance Advantages

Multi-Directional Load Capacity

TheSX Series Crossed Roller Bearing arrangement enables simultaneous handling of radial loads, axial loads from both directions, and tilting moments. This eliminates complex bearing arrangements typically req​​​​​​​uired for multi-directional loading.

Superior Rigidity

V-groove raceway geometry provides 3-4 times greater rigidity compared to angular contact ball bearings. This enhanced stiffness minimizes elastic deformation under heavy loads, maintaining precision positioning.

Space Optimization

Ultra-thin cross-section design maximizes load capacity while minimizing installation envelope. The compact profile replaces traditional dual-bearing setups, reducing assembly weight and complexity.

Precision Accuracy

Manufacturing tolerances meet ISO accuracy grades up to P2. Precise raceway finishing and controlled internal geometry ensure consistent rotational accuracy and minimal runout.

Working Principle

Cylindrical rollers position at right angles between inner and outer ring raceways. During rotation, each roller maintains line contact with both raceways simultaneously. The orthogonal arrangement creates a kinematic system where half the rollers support radial loads while the other half manages axial and moment loads.

Plastic spacers maintain proper roller separation, preventing skidding and ensuring uniform load distribution. The integral inner ring provides continuous raceway surface, while the split outer ring facilitates assembly and maintenance access.

Industrial Applications

Precision Machinery

Machine tool rotary tables benefit from the high stiffness and accuracy characteristics. The bearings maintain positioning precision under varying cutting loads and thermal conditions.

Robotics Systems

Industrial robot joints utilize these bearings for their compact size and multi-directional load handling. The design supports both payload forces and positioning moments in articulated mechanisms.

Medical Equipment

Precision medical devices require smooth, accurate rotation with minimal friction. The bearing's low torque characteristics and high accuracy support critical positioning requirements.

Measurement Instruments

Coordinate measuring machines and precision gauges depend on consistent rotational accuracy. The bearing's thermal stability and geometric precision maintain measurement repeatability.

Installation Considerations

The split outer ring design simplifies installation in confined spaces. Mount the inner ring first, position the rollers and spacers, then install the outer ring sections. Secure the assembly using the three retaining rings with specified torque values.

Mounting requires external support structures since no mounting holes exist in the bearing rings. Design flanges and bearing seats to provide adequate clamping force without distorting the raceway geometry.

Why Choose PRS® SX Series Bearings?

Our 20+ years of bearing specialization ensures you receive proven engineering solutions. With 35 technical engineers and 200+ precision manufacturing machines, we maintain consistent quality from prototype to production volumes.

Our 15,000 m² facility stocks thousands of standard models for rapid delivery. Custom configurations address specific application requirements with engineering support throughout the design process.

Quality management systems certified to ISO 9001, ISO 14001, and ISO 45001 ensure consistent manufacturing standards. Factory pass rates exceeding 99.9% demonstrate our commitment to reliable performance.

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.

Certificaiton

Partners

Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Contact Our Engineering Team

Need technical assistance selecting the right SX Series Crossed Roller Bearing for your application? Our engineering team provides comprehensive support from initial design consultation through long-term maintenance optimization.

Contact us at ljh@lyprs.com for detailed technical specifications, custom configurations, or application engineering support. We deliver practical bearing solutions that improve your equipment reliability and operational efficiency.