71902 CE/HCPA9ADGA Hybrid Ceramic Ball Bearing High Speed Design Super Precision Angular Contact Ball Bearing
71902 CE/HCPA9ADGA 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/HCPA9ADGA bearing, with bore diameter of 15 mm, outside diameter of 28 mm, and width of 14 mm, features precise dimensions, high static load capacity, PA9A precision grade, and hybrid ceramic balls. It delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71902 CE/HCPA9ADGA |
| 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 | 18° (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 | PA94A |
| Weight | 0.026 kg |
| Matched Arrangement | DT Tandem << 2 bearings |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| 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 |
The 71902 CE/HCPA9ADGA angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:
- 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/HCPA9ADGA bearing is a high-precision, high-speed angular contact ball bearing distinguished by its high load capacity, low friction, and excellent lubrication, making it ideal for various industries:
- Machine tool spindles for ensuring stability and reliability at high speeds
- Screw bearings where it handles significant radial and axial loads
- Electrical and electronic devices like SMD components and circuit breakers
- Aerospace components such as gears and bearings
- Automotive systems including sensors and motor control systems
Its combination of precision and performance ensures optimal functionality across a wide range of demanding applications.
| 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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