71808 ACD/HCP4 Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade and Hybrid Ceramic Balls for High Speed Operation
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71808 ACD/HCP4 Super Precision Single Row Angular Contact Ball Bearing 7808
71808 ACD/HCP4 • 40×52×7 • Super Precision High Capacity Single Row Angular Contact Ball Bearing with Ceramic Balls for High Speed Applications
This super-precision, high-capacity, single row angular contact ball bearing features precise dimensions, high static load capacity, P4 precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71808 ACD/HCP4 |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 40 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 52 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 7 mm |
| Width Tolerance | -0.2mm to 0 |
| 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 | 0.029 kg |
Load and Speed Ratings
Dynamic Radial Load
4490 N
Static Radial Load
4550 N
Reference Speed (Grease)
28,000 rpm
Limiting Speed (Oil)
43,000 rpm
Performance Features
- Very tight tolerances suitable for precise machinery
- Ability to handle both radial and axial loads simultaneously
- High-speed operation with exceptional stability
- Low torque and friction for energy efficiency
- Enhanced rigidity for accuracy under heavy loads
- Durability with extended service life
- Effective performance across wide temperature range
Applications
- Industrial manufacturing for precision machining and dynamic load handling
- Testing and laboratory equipment requiring stability and accuracy
- Food and packaging machinery requiring hygiene and continuous operation
- Energy and environmental protection equipment for durability and wear resistance
- Specialized fields including printing, textile, and medical devices
Certifications & Services
| Certifications | RoHS & REACH, IATF16949:2016 |
| Key Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Services | OEM & ODM Customized Services, Online Support, Professional Service |
| Samples | Available - Please Contact Us |
| Sizes | Standard sizes available, custom sizes upon request |
| Manufacturer | Factory Direct Manufacturer |
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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