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{"title":"71903 ACD\/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/b5\/7991cdc0a85ecd064ed090914835-200x200-1\/71903_acd_2fhcp4a_super_precision_angular_contact_ball_bearing_with_17_mm_bore_diameter_p4a_precision_grade_and_hybrid_ceramic_bal.jpg","attrs":{"Structure":"Angular Contact","Delivery Time":"2-4 weeks","Part Number":"71903 ACD\/HCP4A Angular Contact Ball Bearing","Lubrication":"Grease,Oil"}}
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71811 ACD/HCP4 Super Precision Single Row Angular Contact Ball Bearing 7811
71811 ACD/HCP4 55×72×9 Super Precision High Capacity Single Row Angular Contact Ball Bearing Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball bearing. The 71811 ACD/HCP4 bearing, with bore diameter of 55 mm, outside diameter of 72 mm, and width of 9 mm, features precise dimensions, high static load capacity, P4 precision grade, and hybrid ceramic balls. It delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
Part Number
71811 ACD/HCP4
Bearing Type
Angular Contact
Measurement Unit
Metric
Dimensions
Inner Bore Diameter (d): 55 mm Inner Bore Diameter Tolerance: -0.007mm to 0 Outer Bore Diameter (D): 72 mm Outer Bore Diameter Tolerance: -0.007mm to 0 Width (B): 9 mm Width Tolerance: -0.2mm to 0
Specifications
Contact Angle: 25° (15°, 40° Available) Material: Hybrid (Chrome Steel Rings, Ceramic Balls) Cage Material: Phenolic Number of Rows: 1 Single Row Seal Type: Open Temperature Range: -30°C to 150°C Lubrication: Grease or Oil Tolerance Class: P4 (ABEC-7) Weight: 0.073 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable
Load and Speed
Dynamic Radial Load: 9560 N Static Radial Load: 10200 N Reference Speed For Grease: 19,000 rpm Limiting Speed For Oil: 30,000 rpm
Performance Features
The 71811 ACD/HCP4 angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:
Very tight tolerances suitable for precise machinery
Ability to handle both radial and axial loads simultaneously
High-speed operation with stability
Low torque and friction for energy efficiency
Enhanced rigidity for accuracy under heavy loads
Durability with extended service life
Effective performance across a wide temperature range
Applications
The 71811 ACD/HCP4 bearing, a high-precision angular contact ball bearing, is designed to meet the demands of advanced applications across multiple industries:
Machine Tools & Precision Machining
Precision Machine Tool Spindles: Ideal for 5-axis machining centers, heavy-duty cutting equipment, and other CNC machines requiring ultra-precision under high-speed rotation
Electric Spindles & High-Speed Milling Units: Reduces friction and thermal expansion in electric spindles, ensuring stable operation and extended tool life
Deep-Hole Drilling Equipment: Maintains rigidity and accuracy during deep-hole drilling processes, critical for aerospace and automotive components
Aerospace & Defense
Aeroengine Gearboxes & Turbine Shaft Systems: Withstands extreme speeds, temperatures, and combined axial/radial loads in turbine shafts and gearboxes
Flight Control Systems: Ensures precision in actuators, rotor drives, and other flight-critical systems
Satellite Attitude Control Mechanisms: Provides stability and reliability in gyroscopes and attitude control systems for satellites
Industrial Robotics & Automation
Collaborative Robot Joints & Rotary Axes: Enhances motion accuracy and responsiveness in collaborative robots used for welding, material handling, and assembly tasks
High-Precision Reducers: Supports harmonic drives and RV reducers, ensuring smooth and precise motion transmission in robotic systems
Rotary Positioning Units: Critical for automated production lines, enabling accurate and repeatable positioning of workpieces
Energy & Heavy Machinery
Wind Turbine Pitch & Yaw Drive Systems: Handles dynamic loads in pitch and yaw mechanisms, ensuring reliable operation in wind turbines
Centrifugal Compressor Shafts: Operates efficiently in oil and gas industries, supporting high-speed compression processes
High-Speed Pumps: Used in chemical process pumps and hydraulic pumps, ensuring consistent performance and durability
Medical Equipment
CT/MRI Rotating Gantry Drive Systems: Minimizes vibration and ensures smooth rotation in imaging systems, reducing image artifacts
Precision Transmission Modules in Surgical Robots: Enhances the accuracy and responsiveness of robotic-assisted surgical tools
Dental High-Speed Drill Spindles: Maintains low noise and sterility during high-speed operation, ensuring patient comfort and safety
Semiconductor Manufacturing
Lithography Wafer Alignment & Motion Stages: Delivers nanometer-level precision in cleanroom environments, critical for photolithography and wafer alignment
Rotating Components in Vacuum Coating Equipment: Ensures contamination-free operation in vacuum chambers
Wafer Cutting/Polishing Equipment Spindles: Provides stability and accuracy during wafer processing, minimizing defects
Special Environment Machinery
High-Temperature Furnace Drive Systems: Operates reliably in extreme heat environments, such as glass manufacturing furnaces
Cryogenic Superconducting Equipment: Supports rotating mechanisms in cryogenic applications, maintaining performance at ultra-low temperatures
Cleanroom Robotic Arms: Designed for ultra-high-purity environments, ensuring contamination-free operation in semiconductor and pharmaceutical industries
Certifications & Services
CERTIFICATE
RoHS & REACH, IATF16949:2016
Feature
High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Service
OEM&ODM Customized Services
Samples
Please Contact Us
Service
Online Support, Professional Service
Size
Standard, For custom sizes, please contact us
Factory Manufacturer
Yes
If you need more detailed information, feel free to ask!
Beining Intelligent Technology
Precision Bearings for High-Performance Industries
At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in:
CNC Machine Tool Spindles
Robotics
Motors
With a focus on quality, automation, and...
Beining Intelligent Technology
Precision Bearings for High-Performance Industries
At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in:
CNC Machine Tool Spindles
Robotics
Motors
With a focus on quality, automation, and...
