71902 CE/HCP4ADBA Super Precision Angular Contact Ball Bearing with 15 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
71902 CE/HCP4ADBA 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Matched set of two super-precision, high-speed E design, single row angular contact ball bearings.
The 71902 CE/HCP4ADBA bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71902 CE/HCP4ADBA |
| 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): 14 mm (2×7mm) 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: 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: 0.026 kg Matched Arrangement: DB Back-to-back <> 2 bearings Universal Matching Bearing: No Preload: EL/Extra Light/Class A |
| Load and Speed |
Dynamic Radial Load: 5200 N Static Radial Load: 2750 N Reference Speed For Grease: 90,000 rpm Limiting Speed For Oil: 140,000 rpm |
- High-precision engineering for demanding applications
- 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
The 71902 CE/HCP4ADBA bearing is a high-precision component renowned for its durability and performance under demanding conditions. It is widely used in:
- Metallurgical industry: rolling mills and straightening machines
- Power sector: wind turbine gearboxes and generators
- Steel industry: blast furnaces and converters
- Machine tools: enhancing accuracy and stability
- Mining and construction machinery: supporting critical components
- Road construction equipment: improving efficiency
- Railway applications: ensuring safety and reliability
Its versatility and reliability make it essential for maintaining optimal functionality across industrial sectors including metallurgy, energy, manufacturing, and transportation.
| 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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