71901 CD/P4ADGC Super Precision Single Row Angular Contact Ball Bearing 7901
71901 CD/P4ADGC 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.
The 71901 CD/P4ADGC bearing features a bore diameter of 12 mm, outside diameter of 24 mm, and width of 12 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.
Technical Specifications
| Part Number |
71901 CD/P4ADGC |
| Bearing Type |
Angular Contact |
| Measurement Unit |
Metric |
| 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) |
12mm (2×6 mm) |
| Width Tolerance |
-0.2mm to 0 |
| 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 |
0.02 kg |
| Matched Arrangement |
Universal Matching |
| Universal Matching Bearing |
Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB, DF, DT 2 bearings |
| Preload |
M/Moderate/Class C |
| Dynamic Radial Load |
4360 N |
| Static Radial Load |
2500 N |
| Reference Speed For Grease (r/min) |
70,000 rpm |
| Limiting Speed For Oil (r/min) |
110,000 rpm |
Performance Features
- 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
Applications
The 71901 CD/P4ADGC bearing, a precision angular contact ball bearing, is essential in applications requiring high precision and stability:
- Machine Tools: Spindle components where it ensures accurate and efficient machining by minimizing vibration and friction
- Automotive Industry: Supports high-speed operation in auxiliary equipment like cooling fan motors, enhancing vehicle reliability
- Power Industry: Provides stable support in small motors and precision transmission devices, ensuring reliable power equipment operation
- Steel Production: Precision aids in accurate measurements and quality control of steel products
Overall, this bearing is crucial for maintaining performance, reliability, and precision across mechanical, automotive, power, and steel industries.
Certifications & Services
| 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 |
Custom Solutions Available: Contact us for OEM & ODM services, custom sizes, and sample requests. Professional online support provided.
