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.
Type-A thin-section angular contact ball bearings are ultra-slim constant cross-section rotary components with inclined raceways forming fixed contact angles (15°,25°,40° customizable).They are specially engineered to bear combined radial and unidirectional axial loads simultaneously,perfect for compact,lightweight,high-precision limited-space equipment.
Core Technical Specifications
Contact Angle Options:15°,25°,40° for different thrust load demands.Size Range:Inner diameter 25.4–508mm,constant cross-section 10×10–15×15mm.Materials:Rings & rolling elements (52100 bearing steel,440C/316 stainless steel,ceramic hybrid);Cages (nylon,brass,stainless steel).Precision Grades:ABEC-1/3/5 (P0,P6,P5) aerospace ultra-precision standards.Sealing & Lubrication:Open,shielded,fully sealed structures;standard anti-oxidation grease,vacuum & medical low-dust clean lubricants for sterile clinical environments.Operating Temperature:-40℃ ~ 120℃,customized constant-temperature lubricant for hospital workshop use.Lead Time:Standard models ship within 5-15 working days;customized medical-grade preloaded bearings with biocompatible coatings require negotiated delivery schedules.
Medical large precision equipments refer to heavy-duty,high-accuracy clinical diagnostic and therapeutic medical devices deployed in hospitals,medical inspection centers and surgical operation rooms,covering CT scanners,MRI systems,large C-arm fluoroscopy machines,multi-axis surgical robotic platforms,medical linear accelerators,high-speed industrial centrifuges,large ophthalmic scanning diagnostic equipment and orthopedic navigation positioning systems.All these large medical devices are equipped with multiple high-load rotary gantries,multi-joint mechanical arms and precise rotating positioning frames.During clinical scanning,minimally invasive surgery and long-time diagnostic detection,rotary components need to bear the self-weight of heavy imaging modules,alternating patient load and continuous reciprocating overturning torque.Medical equipment has extremely strict operation standards:ultra-low vibration,zero particle shedding,sterile & non-polluting operation,micron-level repeated positioning accuracy and long-term stable precision retention.Ordinary standard bearings have large volume,heavy mass and unavoidable rotation clearance; tiny jitter or grease volatilization will blur medical imaging,cause surgical positioning deviation and even affect patient safety.Therefore,thin section angular contact ball bearings become the core rotary support for all large precision medical equipment.
Constant Cross-Section Design
Space & Weight Saving:Unlike standard ISO series bearings-where cross-sectional height increases as bore size increases-thin section bearings maintain a fixed,extremely narrow cross-section regardless of the shaft diameter.
Compact Footprint:This constant geometry drastically reduces envelope dimensions,overall assembly weight,and rotational inertia without sacrificing shaft diameter size,reserving large hollow channels for internal wiring,optical cables and liquid pipelines of medical gantries.
High Axial (Thrust) Load Handling in One Direction
Contact Angle Geometry:The inner and outer ring raceways are displaced relative to each other along the bearing axis,typically creating a 15°,25° or 40° contact angle.
Combined Loads:This geometry enables the bearing to support high thrust loads in one direction,alongside concurrent radial loads.
Duplex Configurations:To support bidirectional thrust loads or increase system stiffness,these bearings are frequently mounted in back-to-back (DB),face-to-face (DF) paired arrangements inside medical rotary frames and robot joints.
Precision & High Rigidity
Preload Capability:Thin section angular contact bearings can be ground for light,medium or heavy preloading.Preloading removes internal clearance and mechanical backlash,eliminating arm and gantry wobble during scanning or surgical manipulation.
Smooth Rotational Accuracy:Ultra-precision superfinishing ensures minimal rotational runout,realizing sub-millimeter positioning required for clinical diagnosis and minimally invasive surgery.
Low Friction & Low Torque
Small Rolling Elements:Miniature steel/ceramic balls cut centrifugal force and rolling resistance greatly.
High-Speed Efficiency:Low friction generates little heat during long-cycle continuous rotation,preventing grease aging and dust precipitation inside sealed sterile medical equipment cabins.
Medical Large Precision Equipment (Core Scenarios)
Imaging Diagnostic Equipment:CT scanner large rotary gantry bearings,MRI magnet rotating support components,C-arm fluoroscopy swing frame bearings,X-ray detector rotary turntables,ophthalmic full-automatic scanning large rotary bases.
Surgical Robotic Systems:Multi-axis minimally invasive surgical robot wrist & elbow joint bearings,orthopedic navigation manipulator rotary modules,biopsy positioning rotating shafts.
Medical Radiation & Lab Equipment:Linear accelerator rotary positioning frames,large high-speed medical centrifuges,automatic pathology detection rotary indexing tables.
Aerospace & Precision Optics
Airborne optoelectronic pod gimbals,satellite antenna pointing mechanisms,ground astronomical telescope large rotary supports.
Semiconductor Wafer Automation
EFEM wafer transfer robot arm rotary joints,vacuum low-particle precision rotary stages for lithography equipment.
Industrial Collaborative & Humanoid Robots
Cobot joint rotary bearings,bionic rehabilitation exoskeleton pivot components,industrial handling robot turntables.
Lightweight Thin Structure Optimizes Medical Device Volume:Large medical imaging machines have strict overall dimension limits for ward installation and patient access.Thin section angular contact ball bearings reduce component weight by over 40% compared to conventional same-bore bearings.Lighter rotary frames lower the total load of CT/MRI gantry drive motors,reduce equipment floor space and make large medical devices more adaptable to limited hospital room layouts.
Preloaded Zero-Clearance Design Guarantees Clear Medical Imaging:Any tiny vibration during gantry rotation will lead to blurred CT/MRI scan images and misdiagnosis risks.Preloaded thin angular contact ball bearings completely eliminate rotation backlash,restrain micro-shake under heavy imaging module load,maintain ultra-smooth low-torque rotation,and ensure high-definition,distortion-free medical scanning results.
Medical-Grade Clean Performance Meets Sterile Clinical Standards:Custom stainless steel bearing bodies and medical low-outgassing non-toxic lubricants avoid grease volatilization and particle pollution.Fully sealed shielding structures block dust,water vapor and disinfectant mist,adapting long-term operation in sterile operating rooms and dust-free inspection workshops without contaminating patients or precision optical parts.
Composite Load Bearing Simplifies Gantry & Robot Structure:A set of paired thin bearings can simultaneously bear radial module weight,axial drive thrust and scanning overturning moment,replacing multiple groups of separate radial/thrust standard bearings.It cuts the number of mechanical parts inside large medical rotary frames,shortens equipment assembly and calibration cycles,and reduces hospital equipment maintenance costs.
Wide Temperature & Long Service Life Reduces Hospital Downtime:Specially customized medical lubricants work stably in constant-temperature hospital environments without failure.Deep-hardened raceways (HRC55-62) deliver outstanding anti-fatigue performance,enduring millions of scanning cycles.Frequent bearing replacement and equipment shutdown maintenance are greatly reduced,improving the continuous operation rate of core hospital diagnostic devices.
Hollow Layout Facilitates Medical Pipeline & Cable Routing:The fixed ultra-thin cross-section retains a large central inner hole,allowing optical fiber,signal lines and cooling pipelines of CT/MRI gantries to pass through the bearing center.Internal wiring avoids external cable winding during rotation,lowering equipment failure rates and improving clinical operation safety.
Manufacturer of Thin Section Angular Contact Ball Bearings
Newbeetrans is a professional manufacturer specializing in medical-grade thin section bearings for CT,MRI,surgical robots and all types of large precision medical equipments.
Medical Customization Service:Supply low-vibration preloaded thin bearings,stainless steel anti-corrosion sterile versions,medical biocompatible low-dust lubrication customized models; medical equipment prototype samples can be delivered within 10–15 working days per technical drawings.
Strict Medical-Grade Inspection:All inner rings,outer rings and steel balls adopt mirror superfinishing process; every bearing passes low-particle test,constant temperature aging test and long-cycle reciprocating vibration inspection to meet hospital sterile equipment standards.
Stable Global Shipment:Mass stock of standard Type A thin series supports fast delivery; full air & sea cross-border logistics for medical device manufacturers worldwide.
Authoritative Quality Certification:Products comply with ISO 9001 quality system,and medical cleanliness SGS test reports can be provided upon customer request.
Global Technical Support:Professional bearing engineering team provides load calculation,contact angle matching and duplex preload design for all medical rotary gantry and robot joint structures.
WhatsApp
sales@newbeetrans.com
+8615090185276