NewBee Machinery is a professional machinery parts manufacturer providing high quality precision bearings, high-quality non-standard transmission components, and intelligent CNC equipment and more.
NewBee Machinery is a professional machinery parts manufacturer providing high quality precision bearings, high-quality non-standard transmission components, and intelligent CNC equipment and more.
Precision RU Crossed Roller Bearings are compact,high-rigidity rotational bearings featuring cylindrical rollers arranged at 90° angles in a V-groove.Unlike traditional bearings,their unique cross-pattern allows a single bearing to simultaneously handle complex multi-directional loads-including radial,axial,and moment (tilting) forces.These bearings are available in P5,P4 and P2 precision grades.The inner diameter ranges from 10mm to 350mm,the outer diameter from 52mm to 540mm,and the cross-section height varies between 8mm and 45mm.The mounting holes support specifications from M3 to M12.For materials,bearing rings and rollers are made of GCr15 high-carbon chromium steel with a surface hardness of HRC 60-62,or corrosion-resistant SUS440C stainless steel.Nylon 66 or high-strength brass is selected as the cage material.Two main sealing types are provided:open type for clean working environments and U/UU contact rubber seal for dust and splash resistance.In terms of lubrication,both standard grease lubrication and circulating oil lubrication for heavy-duty use are available.Standard RU models can be delivered within 7–15 days,while customized products will be scheduled according to specific technical requirements.
Laser radar (LiDAR) and all kinds of precision monitoring equipment are core sensing devices widely used in autonomous driving,industrial inspection,security surveillance,meteorological observation,and infrastructure safety monitoring.Rotating laser radar adopts 360° panoramic scanning structure,relying rotary turntables to drive laser transmit-receive modules to complete real-time ranging,point cloud modeling and obstacle identification.Monitoring devices include perimeter security radars,meteorological monitoring turrets,bridge vibration monitoring rotary sensors,pipeline inspection scanning equipment and industrial online detection rotary probes.All scanning rotating frames,sensor swing spindles and radar azimuth adjustment platforms are pre-installed micro servo motors and miniature reducers before bearing assembly.These rotary components run continuously with low-speed reciprocating rotation or long-duration constant-angle tracking,bearing the self-weight of optical modules and alternating overturning moment caused by external wind vibration and mechanical shock.Laser and monitoring equipment puts ultra-strict requirements on bearings:micro-level rotational runout,ultra-low vibration,low particle emission,stable precision under temperature fluctuation and excellent dustproof performance.Any slight bearing jitter or deformation will lead to distorted point cloud data,measurement deviation and invalid monitoring signals,so bearing rigidity,precision and environmental adaptability directly determine detection accuracy and long-term stable operation of the whole system.
Multi-Directional Load Capacity:Because the cylindrical rollers are alternately crossed at right angles,a single bearing can support radial,axial,and tilting moment loads at the same time.
Integrated Mounting Design:Unlike traditional bearings,RU series inner and outer rings are fully integrated.They include pre-drilled mounting holes,eliminating the need for a separate presser flange or fixing housing.
High Rigidity and Accuracy:Bearings are preloaded,minimizing elastic deformation under heavy loads and ensuring high running accuracy (often up to P5,P4,or P2 grades).
Space and Weight Efficiency:By consolidating multiple bearings into a single compact unit,equipment size and weight can be significantly reduced.
Stable Rotational Torque:Equipped with spacer retainers between the rollers,they offer a low friction coefficient,resulting in highly stable,smooth rotational torque.
Industrial Robotics:Found in basic motion parts such as robot waists,elbows,and rotary joints.Their rigidity allows them to support heavy moment loads at high speeds.
Precision Machine Tools:Utilized in rotary tables,index heads,and spindles for CNC machines and machining centers.
Semiconductor Fabrication:Provide the micron-scale accuracy required for wafer transfer robot arms,photolithography machines,and precise rotary indexing.
Medical & Lab Equipment:Built into rotating parts of advanced diagnostic tools like CT scanners,MRI machines,and robotic surgery components.
Optical & Measuring Instruments:Employed in high-precision astronomical telescopes,CMM (Coordinate Measuring Machines) rotary tables,and laser measuring devices.
Simplify Compact Radar & Monitoring Equipment Assembly:The integrated RU bearing body with prefabricated PCD mounting holes can be directly bolted to LiDAR scanning turrets and monitoring sensor rotary brackets without extra bearing seats or auxiliary flanges.It can be mounted on pre-assembled miniature servo spindles without disassembling existing drive components,greatly simplifying ultra-miniature optical scanning structure design and shortening equipment assembly and precision calibration cycles.
Resist Wind Vibration & Complex Overturning Loads:A single RU bearing replaces multiple groups of ordinary bearings to simultaneously bear the weight of laser optical components,radial supporting force and long-term wind-induced overturning moment outdoors.Even load distribution avoids spindle micro-deformation under continuous all-day scanning,maintaining consistent laser emission angle and stable monitoring signal output.
Eliminate Micro-Jitter to Ensure High-Fidelity Scanning Data:Preloaded high-rigidity structure and ultra-low rotational runout effectively restrain micro-vibration during slow reciprocating scanning and constant azimuth tracking.Constant smooth low-torque rotation eliminates point cloud distortion,ranging error and signal noise caused by tiny shaking,realizing high-precision environment reconstruction and reliable long-term safety monitoring.
Adapt Miniaturized Lightweight Radar Layout:Ultra-thin lightweight cross-section reduces overall volume and rotational inertia of LiDAR rotary mechanisms and monitoring turrets,improving dynamic response speed for rapid obstacle scanning and multi-angle target tracking,which is critical for vehicle-mounted compact LiDAR and portable field monitoring equipment.
Adapt Indoor & Outdoor Complex Working Environments:Custom low-outgassing clean lubricants and SUS440C stainless steel RU bearings adapt indoor dust-free workshops and outdoor rainy,dusty,temperature-variable field environments.UU double rubber sealing blocks dust,moisture and fine debris,protecting internal optical components and ensuring uninterrupted monitoring all year round.
Lower Long-Term Equipment Maintenance Costs:High-hardened raceways and rollers deliver outstanding anti-fatigue and shock-resistant performance,retaining original precision after millions of scanning cycles.Low failure rate reduces regular bearing replacement and equipment shutdown for calibration,improving continuous monitoring efficiency for security,meteorology and industrial sites.
Newbeetrans is a professional manufacturer specializing in RU crossed roller bearings.We deliver customized bearing solutions tailored for rotating laser radar,security monitoring turrets,meteorological scanning equipment and all types of optical monitoring instruments.
LiDAR & Monitoring Customization:Develop low-vibration,low-noise RU bearings with dustproof enhanced seals,temperature-stable special grease and full stainless steel versions as requested; customized samples can be delivered within 10–15 days.
Strict Precision Manufacturing:All raceways and rollers adopt super-fine grinding to meet P5,P4 and P2 ultra-precision standards.Every bearing undergoes full dimensional and low-jitter inspection before delivery.
Efficient Global Delivery:Standard RU bearings are in stock for quick shipment,and we provide complete multi-channel global logistics services for worldwide clients.
Authoritative Quality Certification:Our products comply with ISO 9001 and GB/T 307.1 standards,and official SGS inspection reports can be provided upon request.
For technical specifications,pricing,or custom bearing solutions:
Email:paul@newbeetrans.com
Website:www.newbeetrans.com
WhatsApp
sales@newbeetrans.com
+8615090185276