SX Cross Roller Bearing
Brand: PRS
Category: Bearing
Seal: Double-sided seal
Size: Inner diameter 70mm-500mm, Outer diameter 90mm-620mm
- Product Description
SX Cross Roller Bearing - Ultra-Thin Precision Solution for Space-Constrained Applications
When your application demands exceptional rotational accuracy in minimal space, the SX Cross Roller Bearing delivers the precision you need. This ultra-thin bearing highlights an indispensably inward ring and part external ring plan, particularly built for applications requiring prevalent internal ring revolution precision. With round and hollow rollers organized at 90-degree points, the item handles spiral, pivotal, and minute loads at the same time in a single compact unit, killing the complexity of different bearing arrangements.
What is an SX Cross Roller Bearing?
The SX Cross Roller Bearing represents an advanced ultra-thin bearing solution with a unique structural configuration. The bearing consists of a one-piece inner ring and a two-piece outer ring that separates radially for easy installation. Cylindrical rollers are positioned orthogonally within precision V-groove raceways, separated by high-precision spacer retainers.
This plan addresses basic design challenges in present day accuracy apparatus. The crossed roller course of action gives uncommon inflexibility whereas keeping up negligible cross-sectional tallness. The indispensably inward ring guarantees reliable concentricity and revolution precision, making it perfect for applications where the internal ring serves as the essential pivoting component.
Key Structural Advantages
Integral Internal Ring Plan: The one-piece internal ring kills joint-related accuracy misfortunes and keeps up predominant roundness all through operation.
Split External Ring Setup: The two-piece external ring empowers clear establishment without bearing dismantling, diminishing mounting complexity.
Orthogonal Roller Course of action: Crossed round and hollow rollers give break even with stack dispersion in all bearings whereas maximizing contact area.
Technical Specifications
| Parameter | Specification |
|---|---|
| Inner Diameter Range | 70mm - 500mm |
| Outer Diameter Range | 90mm - 620mm |
| Bearing Type | Ultra-thin crossed roller |
| Ring Configuration | Integral inner ring, split outer ring |
| Load Capacity | Radial, axial, and moment loads |
| Precision Grade | P5, P4, P2 available |
| Seal Type | Double-sided seal |
| Operating Temperature | -20°C to +120°C |
| Lubrication | Grease or oil lubrication |
Performance Benefits
Superior Stack Dealing with Capacity
The crossed roller plan empowers the SX bearing to bolster complex stack combinations that would regularly require different ordinary heading. Each roller contacts the raceway at ideal points, disseminating powers equitably over the bearing structure. This multi-directional stack capacity streamlines machine plan and decreases generally framework weight.
Enhanced Rotational Accuracy
With the necessarily internal ring development, these orientation accomplish uncommon rotational exactness. The nonstop raceway dispenses with potential deviation focuses, guaranteeing reliable movement control. This precision remains steady over expanded working periods, indeed beneath shifting stack conditions.
Space-Efficient Design
The ultra-thin profile maximizes stack capacity whereas minimizing establishment space. This compact plan demonstrates fundamental in applications where each millimeter tallies, such as automated joints, accuracy ordering tables, and mechanized get together systems.

Applications
Industrial Automation
- Robotic arm joints and wrist mechanisms
- CNC machine tool rotary tables
- Automated assembly line indexing systems
- Precision positioning stages
Medical Equipment
- Surgical robot articulation points
- CT and MRI scanner rotating assemblies
- Laboratory automation equipment
- Prosthetic joint mechanisms
Aerospace and Defense
- Antenna positioning systems
- Optical equipment mounts
- Satellite solar panel drives
- Precision guidance mechanisms
Installation and Maintenance Guidelines
Proper Establishment Procedures
The part external ring plan streamlines establishment compared to other SX Cross Roller Bearing sorts. Introduce the inward ring to begin with, at that point position the roller get together, and at last secure both external ring parts. Guarantee appropriate arrangement amid get together to keep up the bearing's accuracy characteristics.
Lubrication Requirements
Standard oil grease suits most applications, giving long-term execution with negligible upkeep. For high-speed or high-temperature applications, oil grease offers predominant warm dissemination. Screen oil condition routinely and take after producer suggestions for relubrication intervals.
Performance Monitoring
Regular assessment of turn smoothness and stack dissemination makes a difference recognize potential issues early. Screen working temperature and vibration levels to guarantee ideal execution all through the bearing's benefit life.
Why Choose PRS® SX Cross Roller Bearings?
With over 20 years of bearing manufacturing expertise, Luoyang Precision Bearing Co., Ltd. (PRS®) delivers reliable product solutions for demanding applications. Our 15,000 m² production facility houses 200+ precision manufacturing machines, ensuring consistent quality and accurate dimensions.
Our technical team of 35 engineers provides comprehensive support from bearing selection through installation guidance. We maintain extensive stock of standard sizes for rapid delivery, while our flexible manufacturing capabilities accommodate custom specifications for unique applications.
Every bearing undergoes rigorous quality control with a factory pass rate exceeding 99.9%. Our ISO 9001 certified processes ensure consistent performance and reliability in your critical applications.
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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Contact Us
For technical specifications, custom sizing, or application guidance for your SX Cross Roller Bearing requirements, contact our engineering team at ljh@lyprs.com. We provide complete bearing solutions tailored to your specific operational needs.











