71902 CDGA/HCP4A Super Precision Angular Contact Ball Bearing with 15° Contact Angle and Hybrid Ceramic Balls P4A Precision Grade
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
30 days
Brand:
CNBTZC or OEM
Product Description
71902 CDGA/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7902
71902 CDGA/HCP4A 15×28×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, universally matchable single row angular contact ball bearing. The 71902 CDGA/HCP4A bearing features a bore diameter of 15 mm, outside diameter of 28 mm, and width of 7 mm. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71902 CDGA/HCP4A |
| 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: -0.004mm 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: P4A better than P4 (ABEC-7) Weight: 0.014 kg Matched Arrangement: EL/Extra Light/Class A Universal Matching Bearing: Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB, DF, DT 2 bearings Preload: Not applicable |
| Load and Speed |
Dynamic Radial Load: 3970 N Static Radial Load: 1900 N Reference Speed For Grease: 70,000 rpm Limiting Speed For Oil: 110,000 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 a wide temperature range
Applications
The 71902 CDGA/HCP4A bearing is renowned for its high precision and load capacity, making it essential in various demanding industrial applications. It is prominently used in:
- Machine tool industry: machining centers, milling machines, lathes, and grinding machines
- Equipment for cutting or polishing stone and glass
- Semiconductor industry: fault detection units on silicon wafers with high accuracy
- Marine gyro stabilizers and telescopes
- Racing and supercar wheel hubs
- Medical devices where reliability and precision are paramount
Its versatile performance ensures optimal functionality across a broad spectrum of applications, from manufacturing and astronomy to automotive and healthcare sectors.
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
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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