71911 ACD/HCP4A 55*80*13 mm Super Precision High Capacity Single
Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity , single row angular contact ball
bearing
The 71911 ACD/HCP4A bearing,bore diameter is 55 mm, outside diameter is 80 mm,width is
13 mm,featuring precise dimensions, high static load capacity, P4A
precision grade, and hybrid ceramic balls, delivers superior
performance and reliability for applications requiring high
rotational accuracy and stability.
| Part Number | 71911 ACD/HCP4A |
| 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) | 80 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 13 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 | Oil,Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.15 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 18200 N |
| Static Radial Load | 13700 N |
| Reference Speed For Grease (r/min) | 17,000 rpm |
| Limiting Speed For Oil(r/min) | 28,000 rpm |
What's the Performance Features of 71911 ACD/HCP4A Bearing?
The 71911 ACD/HCP4A angular contact ball bearing is engineered for
high-precision and high-performance applications, featuring very
tight tolerances suitable for precise machinery, the 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.
What's the Applications of the 71911 ACD/HCP4A Bearing?
The 71911 ACD/HCP4A angular contact ball bearing is widely used in
precision machinery across various industrial sectors due to its
high accuracy, rigidity, and speed performance. Typical
applications include, but are not limited to:
- Machine Tools and Machining Equipment: CNC spindles, grinding machines, lathes, and precision milling
machines.
- Presses and Forming Equipment: Used in metal stamping, molding, and forming processes.
- Lifting and Handling Equipment: Gantry cranes, lifting platforms, and material handling systems.
- Chemical and Pharmaceutical Machinery: Reactors, distillation towers, plate heat exchangers, and
single-stage pumps.
- Drying and Cooling Systems: Hollow paddle dryers, cross-flow cooling towers, and low-noise
cooling equipment.
- Environmental and Air Purification Equipment: Air purifiers, exhaust gas treatment systems, and wastewater
treatment units.
- Automotive Manufacturing Equipment: Production lines for automotive mufflers and other auto parts.
- Packaging and Food Processing Machinery: Wrapping machines, automatic packaging systems, and food handling
equipment.
- Injection Molding and Plastic Machinery: Injection molding machine components, blow molding machines, etc.
- Mining and Construction Equipment: Crushers, screening machines, and on-site construction machinery.
- Medical and Precision Instruments: High-precision medical devices and automated diagnostic
equipment.
- Automation and Robotics: Industrial robot joints, servo motors, and automated assembly
systems.
| 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!
