71902 CD/P4ADGC Super Precision Angular Contact Ball Bearing with 15 mm Bore Diameter and P4A Precision Grade for High Speed 90,000 rpm
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
30 days
Brand:
CNBTZC or OEM
Product Description
71902 CD/P4ADGC Super Precision Single Row Angular Contact Ball Bearing 7902
High Speed - Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings.
The 71902 CD/P4ADGC bearing features a bore diameter of 15 mm, outside diameter of 28 mm, and width of 14 mm. With precise dimensions, high static load capacity, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Specifications
| Part Number | 71902 CD/P4ADGC |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 15 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 28 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 14 mm (2*7mm) |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°,40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 2 (2* Single Row) |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 2 |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.03 kg |
| Matched Arrangement | Universal Matching |
| Universal Matching Bearing | Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings |
| Preload | M/Moderate/Class C |
| Dynamic Radial Load | 6500 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease (r/min) | 60,000 rpm |
| Limiting Speed For Oil (r/min) | 90,000 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
The 71902 CD/P4ADGC bearing is designed for demanding applications across various industries:
- Machine tools, particularly in multi-spindle drills
- Robotic joints and actuators for precise and smooth operation
- Printing machines for enhanced accuracy in gearboxes and guide systems
- Measurement devices for precise positioning and motion control
- Semiconductor manufacturing for fault detection with high precision
- Specialized equipment including marine gyro stabilizers, telescopes, racing car wheel hubs, and medical devices
Certification & Services
| 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 |
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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