7009 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing
7009 CD/HCP4A 45*75*16 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Ceramic Balls High Speed
Super-precision, high-capacity B design, single row angular contact ball bearing
The 7009 CD/HCP4A bearing,bore diameter is 45 mm, outside diameter is 75 mm,width is 16 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 7009 CD/HCP4A | |
| 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) | 75 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 16 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) | |
| 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 | P4A better than P4 | |
| Weight | 0.2kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 28600 N |
| Static Radial Load | 22400 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 7009 CD/HCP4A Bearing?
The 7009 CD/HCP4A bearing, engineered for high-performance applications, features P4A grade precision, an angular contact design for handling significant radial and axial loads. Optimized for high-speed operation with minimal vibration, it offers smooth, quiet performance and is constructed from premium materials to ensure durability and longevity. This bearing maintains high precision during operation, making it ideal for critical applications in machine tools, automation, aerospace, medical devices, and other industries requiring exceptional accuracy and reliability.
What's the Applications of the 7009 CD/HCP4A Bearing?
The 7009 CD/HCP4A bearing, a precision angular contact ball bearing, is known for its high speed, high load capacity, and high precision. It is widely used across various industrial applications, as detailed below:
1. Machine Tool Equipment
- High-Precision Machining Equipment:
Suitable for spindles in high-speed milling machines, machining centers, lathes, and grinders, providing high rigidity and stability .
- Tool Posts and Transmission Systems:
Commonly used in machine tool tool posts, quenching machines, and tubular heat exchangers for precise transmission components.
2. Industrial Machinery
- Welding and Heat Treatment Equipment:
Applied in AC welders, resistance welders, manual welders, mesh belt furnaces, and flash dryers, which operate in high-temperature or high-frequency vibration environments.
- Packaging and Chemical Equipment:
Used in packaging machinery, chemical mixing equipment, steelmaking machinery, and nonwoven fabric machines for continuous operation .
- Construction and Engineering Machinery:
Compatible with agricultural machinery, construction equipment, pipe welding machines, and laser cutting machines for heavy-duty use .
3. Special Industry Applications
- Medical and Laboratory Equipment:
Used in surgical instruments, laboratory mixers, and antennae potential testing devices, where high cleanliness is required.
- Textile and Printing Machinery:
Suitable for needle detection equipment, die-cutting machines, plate-making machines, and industrial fabric production in precision processing fields .
- Energy and Environmental Protection Equipment:
Applied in reactors, heaters, packed towers, and foaming equipment for chemical and environmental systems .
4. Other Applications
- Transportation:
Used in automotive mufflers, wheel hub bearings, and more.
- General Machinery:
Supports workbenches, magnetic pumps, rolling mills, slewing bearings, and other general-purpose machinery.
| 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 |
If you need more detailed information , feel free to ask!
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