Beining Intelligent Technology (Zhejiang) Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks |
| Packaging Details | plastic bag,box,carton,pallet |
| Part Number | 71911 ACE/HCP4A Angular Contact Ball Bearing |
| Structure | Angular Contact |
| Seals Type | Open (2RZ available) |
| Ring type | One-piece inner and outer rings |
| Lubrication | Grease,Oil |
| Replaceable With | SKF, NSK 7911A5SN24TRP4 |
| Coating | Without |
| Sealing | Without |
| Design | High-speed E |
| Contact type | Normal contact (two-point contact) |
| Brand Name | CNBTZC or OEM |
| Model Number | 71911 ACE/HCP4A |
| Certification | IATF16949:2016 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks | Packaging Details | plastic bag,box,carton,pallet |
| Part Number | 71911 ACE/HCP4A Angular Contact Ball Bearing | Structure | Angular Contact |
| Seals Type | Open (2RZ available) | Ring type | One-piece inner and outer rings |
| Lubrication | Grease,Oil | Replaceable With | SKF, NSK 7911A5SN24TRP4 |
| Coating | Without | Sealing | Without |
| Design | High-speed E | Contact type | Normal contact (two-point contact) |
| Brand Name | CNBTZC or OEM | Model Number | 71911 ACE/HCP4A |
| Certification | IATF16949:2016 | Place of Origin | China |
| High Light | 71911 precision ball bearings ，7911 precision ball bearings | ||
71911 ACE/HCP4A 55*80*13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing
The 71911 ACE/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 ACE/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 | 0.14 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 14800 N |
| Static Radial Load | 10000 N | |
| Reference Speed For Grease (r/min) | 25,000 rpm | |
| Limiting Speed For Oil(r/min) | 39,000 rpm | |
What's the Performance Features of 71911 ACE/HCP4A Bearing?
The 71911 ACE/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 ACE/HCP4A Bearing?
The 71911 ACE/HCP4A is an ultra-high-precision angular contact ball bearing designed for applications requiring extreme accuracy, high-speed performance, and reliable operation under demanding conditions. Below are its key application areas:
1. Ultra-Precision Machine Tools & Machining Equipment
2. Aerospace & Defense
3. Advanced Industrial Robotics
Surgical Robots: Delivers precision rotary motion for minimally invasive surgical tools used in medical robotics.
4. New Energy & Ultra-High-Speed Drives
Hydrogen Fuel Cell Compressors: Designed for ultra-high-speed impeller shafts (>30,000 rpm) that resist corrosion from hydrogen exposure.
Ultra-High-Speed Motors (EV/Aviation): Supports motors in electric aircraft and high-performance electric vehicles (>25,000 rpm).
5. Semiconductor & Optics Manufacturing
6. Scientific Research & Metrology
| 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!
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2013
Total Annual:
30000000-+
Employee Number:
200~+
Ecer Certification：
Verified Supplier
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...
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