71901 ACE/PA9ADGB 12*24*12 mm Super Precision Angular Contact Ball Bearing with High Speed E Design and PA9A Precision Grade
71901 ACE/PA9ADGB 12×24×12 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 featuring precise dimensions, high static load capacity, PA9A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71901 ACE/PA9ADGB |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions |
Inner Bore Diameter (d): 12 mm Inner Bore Diameter Tolerance: -0.004mm to 0 Outer Bore Diameter (D): 24 mm Outer Bore Diameter Tolerance: -0.004mm to 0 Width (B): 12 mm (2×6mm) 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: PA9A Weight: 0.02 kg Matched Arrangement: Universal Matching Universal Matching Bearing: Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings Preload: L/Light/Class B |
| Load and Speed |
Dynamic Radial Load: 3320 N Static Radial Load: 1700 N Reference Speed For Grease (r/min): 83,000 rpm Limiting Speed For Oil (r/min): 123,000 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 71901 ACE/PA9ADGB bearing, a precision angular contact ball bearing, is vital in various industrial applications where high stiffness and precision are critical. These bearings provide stable support and rotational motion in equipment including:
- Homogenizers
- Arc welding machines
- Tower cranes
- Microwave drying systems
- Milling machines
They are especially crucial in high-precision instruments and optical devices, offering exceptional stability and durability. Overall, these bearings ensure reliable performance and stability in demanding industrial environments, from mechanical manufacturing to food processing and heavy lifting operations.
| 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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