71911 ACE/P4A Precision Angular Contact Ball Bearing with P4A Precision Grade High-Speed E Design and 55x80x13 mm Dimensions
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71911 ACE/P4A Precision Angular Contact Bearings 7911
71911 ACE/P4A 55×80×13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-speed E design, single row angular contact ball bearing
Super-precision, high-speed E design, single row angular contact ball bearing
Product Specifications
| Part Number | 71911 ACE/P4A |
| 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 | Chrome Steel |
| 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 | 0.17 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | |
| Dynamic Radial Load | 14600 N |
| Static Radial Load | 10200 N |
| Reference Speed For Grease (r/min) | 21,000 rpm |
| Limiting Speed For Oil (r/min) | 32,000 rpm |
Performance Features
- 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
- Machine Tool Spindles - CNC machines and spindle systems for grinding, milling, and turning operations
- Precision Instruments & Measurement Equipment - CMMs, optical instruments, and high-precision rotary tables
- Aerospace & Defense - Aircraft engine auxiliary systems, missile guidance systems, and gyro stabilization platforms
- Industrial Robots & Automation - Robotic joints and precision reducers for accurate motion control
- Medical & Semiconductor Equipment - CT/MRI scanners, wafer cutting spindles, and lithography motion stages
- High-Speed Motors & Turbo Machinery - Electric spindles, turbo molecular pumps, and compressors
Certifications & Features
Certificates: RoHS & REACH, IATF16949:2016
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services: OEM&ODM Customized Services, Online Support, Professional Service
Sizes: Standard (Custom sizes available upon request)
Factory Manufacturer: Yes
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services: OEM&ODM Customized Services, Online Support, Professional Service
Sizes: Standard (Custom sizes available upon request)
Factory Manufacturer: Yes
If you need more detailed information, feel free to ask!
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beining Intelligent Technology (Zhejiang) Co., Ltd
Location
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
Contact Person
Shelley Dong