71902 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and High Speed E Design 15x28x7 mm
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71902 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing
71902 ACE/P4A 15×28×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Super-precision, high-speed E design, single row angular contact ball bearing featuring precise dimensions, high static load capacity, P4A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71902 ACE/P4A |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions |
Inner Bore Diameter (d): 15 mm Inner Bore Diameter Tolerance: -0.004mm to 0 Outer Bore Diameter (D): 28 mm Outer Bore Diameter Tolerance: -0.005mm to 0 Width (B): 7 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: Grease or Oil Tolerance Class: P4A better than P4 (ABEC-7) Weight: 0.015 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable |
| Load and Speed |
Dynamic Radial Load: 3020 N Static Radial Load: 1340 N Reference Speed For Grease: 68,000 rpm Limiting Speed For Oil: 106,000 rpm |
Performance Features
- Engineered for high-precision and high-performance applications
- 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 wide temperature range
Applications
The 71902 ACE/P4A bearing is a precision angular contact ball bearing featuring high load capacity and excellent heat resistance, making it suitable for demanding applications across various industries:
- Machine tools (machining centers, milling machines, grinders)
- Semiconductor manufacturing (silicon wafer fault detection units)
- Marine equipment (gyro stabilizers)
- Medical devices
- High-precision sectors including racing/supercar wheel hubs and telescopes
Certifications & 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