Cross roller bearing RA series

Cross Roller Bearing RA Series - Ultra-Thin Design for Precision Applications

The Cross roller bearing RA series addresses this critical engineering challenge through its ultra-thin design and superior rigidity. This innovative bearing features a split outer ring configuration with an integrated inner ring, allowing for exceptional precision in compact applications. With cylindrical rollers arranged at 90-degree intervals, these bearings simultaneously handle radial, axial, and moment loads in a single unit, making them ideal for space-constrained industrial applications.

 

 

Technical Structure and Design

Bearing Configuration

The RA series utilizes a part external ring plan that empowers simple establishment and upkeep. The internal ring remains necessarily, giving improved rotational precision for requesting applications. This setup varies from conventional bearing plans by consolidating orthogonally orchestrated round and hollow rollers inside V-groove raceways.

Roller Arrangement

Cylindrical rollers are situated opposite to each other at 90-degree points. Accuracy spacers partitioned each roller, avoiding coordinate contact and decreasing contact. This course of action makes a uniform stack dispersion over different contact points.

Working Principle

The V-groove raceway framework guides rollers along foreordained ways amid revolution. This plan empowers the bearing to bolster complex stack combinations that would ordinarily require numerous bearing courses of action. The cross-roller arrangement gives remarkable inflexibility whereas keeping up smooth operation.

Technical Specifications

Performance Advantages

Multi-Directional Load Handling

Each Cross roller bearing RA series unit supports radial loads, axial loads, and moment loads simultaneously. This eliminates the need for multiple bearing arrangements, reducing overall system complexity and weight.

Ultra-Thin Profile

The diminished ring thickness plan minimizes space prerequisites whereas keeping up auxiliary judgment. This include empowers compact gear plans without compromising performance.

High Rotational Accuracy

The fundamentally inward ring plan gives remarkable runout precision, with exactness levels coming to micron-grade resiliences. This characteristic is fundamental for accuracy apparatus applications.

Low Grinding Operation

The optimized roller course of action and raceway geometry minimize contact coefficients. This comes about in smoother turn, diminished warm era, and amplified benefit life.

Superior Rigidity

Despite the lean profile, these heading keep up tall basic unbending nature. This property guarantees steady operation beneath shifting stack conditions and avoids deflection-related precision issues.

Applications

Industrial Robotics

Robot joints require orientation that combine tall accuracy with compact measurements. The RA arrangement gives the fundamental inflexibility for exact situating whereas fitting inside tight joint housings.

Machine Apparatus Rotational Tables

Machining centers request exact rotational development for precise portion situating. These orientation convey the required exactness whereas supporting cutting powers and workpiece weights.

Medical Equipment

Medical imaging gadgets and surgical robots require ultra-precise development with negligible vibration. The low-noise characteristics and tall exactness make these heading reasonable for therapeutic applications.

Precision Instruments

Measuring gear and testing gadgets advantage from the remarkable rotational exactness and steadiness given by these bearings.

IC Fabricating Equipment

Semiconductor generation requires extraordinary accuracy and cleanliness. The RA arrangement meets these rigid prerequisites whereas working in controlled environments.

Material Properties

GCr15 Steel

This high-carbon chromium bearing steel gives fabulous wear resistance and dimensional steadiness. Warm treatment forms optimize hardness and sturdiness for expanded benefit life.

GCr15SiMn Steel

Enhanced with silicon and manganese, this fabric offers progressed hardenability and weariness resistance for requesting applications.

Quality Assurance

Our fabricating prepare consolidates comprehensive quality control measures. Each bearing experiences thorough testing counting vibration investigation, dimensional confirmation, and stack capacity approval. The three-level review framework guarantees steady quality with over 99.9% capability rates.

Installation and Maintenance

The part external ring plan disentangles establishment methods. This arrangement permits for simpler mounting in kept spaces and encourages support operations. Legitimate establishment procedures and standard support guarantee ideal execution and amplified benefit life.

 

 

Why Choose Our Cross Roller Bearing RA Series?

With 30 years of bearing manufacturing experience, we provide reliable solutions for precision applications. Our integrated R&D and production capabilities ensure consistent quality and performance. We maintain extensive inventory for rapid delivery of standard sizes while offering customization for specific requirements.

Our technical support team provides comprehensive assistance from selection through installation and maintenance. This includes on-site mapping services, installation guidance, and ongoing technical consultation to ensure optimal bearing performance in your application.

For technical specifications, pricing, or application guidance regarding our Cross roller bearing RA series, contact our engineering team at auto@lyautobearing.com. We provide detailed technical documentation and application support to help you select the optimal bearing solution for your requirements.