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71809 CD/P4 45*58*7 Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-capacity, single row angular contact ball bearing
The 71809 CD/P4 bearing,bore diameter is 45 mm, outside diameter is 58 mm,width is 7 mm,featuring precise dimensions, high static load capacity, P4 precision grade,delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71809 CD/P4 | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 45 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 | |
| Outer Bore Diameter (D) | 58 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 7 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Chrome Steel | |
| Cage Material | Phenolic | |
| Number of Rows | 1 Single Row | |
| Seal Type | Open | |
| Temperature Range | -30°C to 150°C | |
| Lubrication | Grease or Oil | |
| Tolerance Class | P4 (ABEC-7) | |
| Weight | 0.039 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 4880 N |
| Static Radial Load | 5300 N | |
| Reference Speed For Grease (r/min) | 22,000 rpm | |
| Limiting Speed For Oil(r/min) | 34,000 rpm | |
What's the Performance Features of 71809 CD/P4 Bearing?
The 71809 CD/P4 angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the 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.
What's the Applications of the 71809 CD/P4 Bearing?
The 71809 CD/P4 bearing, a high-precision angular contact ball bearing , is designed with a 15° contact angle, P4-grade accuracy, and a CD combination structure, making it ideal for high-speed and high-precision applications. Below are its typical application areas and technical justifications:
Used in grinding machines and machining centers for high-speed cutting and precision. Its P4 accuracy minimizes vibration, ensuring excellent surface quality.
Ideal for industrial motors and turbo machinery, supporting reliable performance at high speeds.
Used in pharmaceutical machines, centrifuges, and vacuum pumps, offering low vibration and stable operation in clean environments.
| 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 |