71902 ACE/P4ADBC Super Precision Single Row Angular Contact Ball Bearing with 15 mm Bore Diameter and P4A Precision Grade for High Speed E Design
71902 ACE/P4ADBC 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Matched set of two super-precision, high-speed E design, single row angular contact ball bearings.
The 71902 ACE/P4ADBC bearing features a bore diameter of 15 mm, outside diameter of 28 mm, and width of 14 mm. With precise dimensions, high static load capacity, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71902 ACE/P4ADBC |
|---|---|
| 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: 25° (15°, 40° Available) Material: Chrome Steel Cage Material: Phenolic Number of Rows: 2 (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: 0.03 kg Matched Arrangement: DB Back-to-back <> 2 bearings Universal Matching Bearing: No Preload: M/Moderate/Class C |
| Load and Speed |
Dynamic Radial Load: 4940 N Static Radial Load: 2600 N Reference Speed For Grease (r/min): 68,000 rpm Limiting Speed For Oil (r/min): 106,000 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 ACE/P4ADBC bearing is a precision angular contact ball bearing distinguished by its high load capacity and excellent wear resistance, making it ideal for demanding applications across various industries:
- Machine tools (machining centers, milling machines, lathes, and grinding machines)
- Semiconductor manufacturing (silicon wafer fault detection units)
- Marine equipment (gyro stabilizers)
- Medical devices
- General mechanical engineering (metallurgy, power generation, and mining)
Its robust design ensures reliable performance, stability, and precision, making it an essential component in these diverse and challenging fields.
Certificates: RoHS & REACH, IATF16949:2016
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services: OEM & ODM Customized Services, Online Support, Professional Service
Samples: Please Contact Us
Size: Standard (For custom sizes, please contact us)
Factory Manufacturer: Yes
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