71902 CD/P4ADBA Super Precision Angular Contact Ball Bearing with 15 mm Bore Diameter P4A Precision Grade and High Speed 90,000 rpm
71902 CD/P4ADBA 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings.
The 71902 CD/P4ADBA 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 CD/P4ADBA |
| 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: 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: EL/Extra Light/Class A |
| Load and Speed |
Dynamic Radial Load: 6500 N Static Radial Load: 3800 N Reference Speed For Grease (r/min): 60,000 rpm Limiting Speed For Oil (r/min): 90,000 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 CD/P4ADBA bearing is a high-performance angular contact ball bearing designed for high speed and precision, making it essential in various industries:
- Precision machine tool spindles - ensuring stability and accuracy during machining
- High-speed rotating equipment - supports motors and turbines for reliable operation
- Industrial automation - improves transmission efficiency in conveyor belts, rollers, robotic arms, and automated assembly devices
- High-precision devices - provides precise positioning and stable support in measuring instruments and optical equipment
| 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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