SX robot bearings
Brand: PRS
Category: Bearing
Seal: Double-sided seal
Size: Inner diameter 70mm-500mm, Outer diameter 90mm-620mm
- Product Description
SX Robot Bearings - Ultra-Thin Cross Roller Precision Bearings
When your robotic applications demand exceptional precision and space efficiency, SX robot bearings deliver the perfect solution. These ultra-thin cross roller orientation highlight an fundamentally internal ring and part external ring plan, making them perfect for applications where inward ring rotational exactness is basic. With double-sided fixing and compact measurements extending from 70-500mm inward distance across, items give solid execution in the most requesting mechanical environments.
Product Overview
The products represent a specialized category of cross roller bearings engineered for precision robotics and automation equipment. The unique split outer ring configuration allows for simplified installation while maintaining the structural integrity needed for high-precision applications.
Key Design Features
Integral Inward Ring Structure
The one-piece inward ring plan guarantees ideal roundness and concentricity. This arrangement kills potential frail focuses that seem influence rotational exactness. Your mechanical frameworks advantage from reliable, smooth movement throughout the bearing's operational life.
Split External Ring Configuration
The two-piece external ring streamlines establishment and upkeep methods. This plan permits you to mount the bearing more effortlessly in tight spaces common in automated applications. The part setup moreover empowers exact alteration amid assembly.
Ultra-Thin Profile
The compact cross-section maximizes space proficiency in your automated plans. You can accomplish the same stack capacity as conventional orientation whereas lessening by and large framework weight and measure. This include is especially important in verbalized robot arms and exactness situating systems.

Technical Specifications
| Parameter | Specification |
|---|---|
| Inner Diameter | 70mm - 500mm |
| Outer Diameter | 90mm - 620mm |
| Seal Type | Double-sided seal |
| Ring Configuration | Integral inner ring, split outer ring |
| Load Capacity | Combined radial and axial loads |
| Precision Grade | Up to P4/P2 available |
| Operating Temperature | -30°C to +120°C |
| Material | High-grade bearing steel |
Performance Advantages
High Stack Capacity
The cross roller course of action empowers concurrent taking care of of spiral, pivotal, and minute loads. This multi-directional stack capability disposes of the require for numerous bearing courses of action in your mechanical joints. You accomplish streamlined plans whereas keeping up predominant performance.
Enhanced Rotational Accuracy
The indispensably inward ring development minimizes runout and guarantees steady rotational accuracy. Your mechanical frameworks accomplish repeatable situating exactness basic for fabricating and gathering operations. This accuracy specifically deciphers to moved forward item quality and decreased cycle times.
Excellent Rigidity
The cross roller setup gives uncommon basic unbending nature beneath changing stack conditions. Your mechanical applications advantage from decreased avoidance and moved forward energetic reaction. This inflexibility is significant for keeping up precision amid high-speed operations.
Application Areas
Industrial Robotics
SX robot bearings excel in articulated robot arms, providing smooth joint rotation with minimal backlash. The compact design allows for sleek robot profiles while maintaining the strength needed for heavy-duty operations.
Precision Automation
Your automated manufacturing equipment benefits from the consistent performance and long service life these bearings provide. The sealed design protects against contamination common in industrial environments.
Medical Robotics
The quiet operation and smooth motion characteristics make these bearings suitable for medical robotic applications where precision and reliability are paramount.
Semiconductor Equipment
The high precision and stability of products support the demanding requirements of wafer handling and inspection systems.
Installation and Maintenance
Simplified Mounting Process
The split outer ring design streamlines installation procedures. You can position the inner ring and roller assembly first, then install the outer ring halves. This approach reduces assembly time and ensures proper bearing alignment.
Lubrication Requirements
The double-sided seals retain lubrication while excluding contaminants. Standard lithium-based grease provides adequate lubrication for most applications. High-temperature or specialized lubricants are available for demanding environments.
Service Life Optimization
Proper installation and regular monitoring extend bearing service life significantly. The sealed design reduces maintenance requirements compared to open bearing configurations.
Why Choose PRS® SX Robot Bearings
With over 20 years of precision bearing expertise, Luoyang Precision Bearing Co., Ltd. delivers proven reliability in demanding applications. Our 15,000 m² manufacturing facility houses 200+ precision machines operated by skilled technicians and 35 technical engineers.
Quality assurance includes comprehensive testing at every production stage. Our ISO 9001, ISO 14001, and ISO 45001 certifications reflect our commitment to consistent quality. Factory pass rates exceed 99.9%, ensuring you receive bearings that meet specifications.
Fast Delivery and Support
Our extensive inventory enables 24-hour dispatch for standard configurations. Custom solutions are available for non-standard requirements. Our engineering team provides technical support throughout your project lifecycle.
Complete Solution Provider
From initial selection through installation support and replacement services, we provide comprehensive bearing solutions. Our goal is helping you achieve optimal equipment performance and reliability.
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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Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Contact Us
For technical specifications, custom configurations, or application assistance with SX robot bearings, contact our engineering team at ljh@lyprs.com. We're ready to support your next robotic application with proven precision bearing technology.











