S71901 ACD/HCP4ADFA Super Precision Single Row Angular Contact Ball Bearing with 12 mm Bore Diameter and Hybrid Ceramic Balls
S71901 ACD/HCP4ADFA 12×24×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals.
The S71901 ACD/HCP4ADFA bearing features a 12 mm bore diameter, 24 mm outside diameter, and 12 mm width. With 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 | S71901 ACD/HCP4ADFA |
| 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: Hybrid (Chrome Steel Rings, Ceramic Balls) Cage Material: Phenolic Number of Rows: 2 (2×Single Row) Seal Type: Seal on both sides Temperature Range: -30°C to 150°C Number of bearings in matched set: 2 Tolerance Class: P4A better than P4 (ABEC-7) Weight: 0.02 kg Matched Arrangement: DF Face-to-face >< 2 bearings Universal Matching Bearing: No Preload: EL/Extra Light/Class A |
| Load and Speed |
Dynamic Radial Load: 4160 N Static Radial Load: 2360 N Reference Speed For Grease (r/min): 75,000 rpm Limiting Speed For Oil (r/min): 120,000 rpm |
- 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 S71901 ACD/HCP4ADFA bearing, a high-quality angular contact ball bearing with superior precision and load-carrying capacity, excels in high-speed operations. Widely used in:
- Machine tool spindles
- Semiconductor manufacturing equipment
- Marine gyro stabilizers
- Medical devices
- Machining centers
- Robotic arms
- Other industrial applications
This bearing ensures high-precision performance and stability, enhancing efficiency and reliability across various sectors.
RoHS & REACH, IATF16949:2016
High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
OEM & ODM Customized Services, Online Support, Professional Service
Available on request, Standard sizes with custom options available
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