71808 CD/HCP4 Super Precision High Capacity Single Row Angular Contact Ball Bearing with Hybrid Ceramic Balls
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71808 CD/HCP4 Super Precision Single Row Angular Contact Ball Bearing 7808
71808 CD/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.
| Part Number | 71808 CD/HCP4 |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | |
| 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 |
| Specifications | |
| Contact Angle | 15° (25°, 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 |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | |
| Dynamic Radial Load | 4880 N |
| Static Radial Load | 4900 N |
| Reference Speed For Grease (r/min) | 30,000 rpm |
| Limiting Speed For Oil (r/min) | 45,000 rpm |
Performance Features of 71808 CD/HCP4 Bearing
- 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 of the 71808 CD/HCP4 Bearing
The 71808 CD/HCP4 super-precision angular contact ball bearing features high speed, high rigidity, hybrid ceramic balls, and optimized preload. It is extensively used in:
- Precision machine tools and processing equipment for high-speed cutting and precise machining
- Automation and robotics for accurate positioning
- Measurement and inspection instruments for stability and repeatability
- Special industrial equipment like textile machinery and impact testing machines
- Energy and heavy machinery applications such as wind turbine pitch 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 |
Similar Products
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