71902 CE/HCP4ADGA Super Precision Angular Contact Ball Bearing with 15° Contact Angle P4A Precision Grade and Hybrid Ceramic Balls
71902 CE/HCP4ADGA 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/HCP4ADGA bearing, with bore diameter of 15 mm, outside diameter of 28 mm, and width of 14 mm, features 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.
| Part Number | 71902 CE/HCP4ADGA |
| 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: Universal Matching Universal Matching Bearing: Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings Preload: EL/Extra Light/Class A |
| Load and Speed |
Dynamic Radial Load: 5200 N Static Radial Load: 2750 N Reference Speed For Grease (r/min): 90,000 rpm Limiting Speed For Oil (r/min): 140,000 rpm |
- 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
The 71902 CE/HCP4ADGA bearing is a high-precision component known for its durability and performance under demanding conditions. It is widely used in:
- Metallurgical equipment like blast furnaces and converters
- Power generators and transformers in the energy sector
- Rolling mills and heating furnaces in steel production
- High-precision machine tools
- Mining machinery and construction equipment
- Road construction vehicles like rollers and graders
- Railway vehicles including locomotives and carriages
Its exceptional precision, stability, and wear resistance ensure reliable operation, reduced maintenance costs, and enhanced efficiency across these diverse industrial applications, making it essential for ensuring optimal performance and safety in challenging environments.
| 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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