7209 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing
7209 CD/HCP4A 45*85*19 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Bearings Ceramic Balls
Super-precision, high-capacity, single row angular contact ball bearing
The 7209 CD/HCP4A bearing,with a bore diameter of 45 mm,outside diameter of 85 mm,and width of 19 mm,features precise dimensions, high static load capacity, and is manufactured to the P4A precision grade. Equipped with hybrid ceramic balls, this bearing delivers superior performance and reliability, making it ideal for applications that require high rotational accuracy and stability.
| Part Number | 7209 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) | 85 mm | |
| Outer Bore Diameter Tolerance | -0.008 mm to 0 | |
| Width (B) | 19 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 | Oil or Grease | |
| Tolerance Class | P4A better than P4 (ABEC-7) | |
| Weight | 0.34 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 42300 N |
| Static Radial Load | 31000 N | |
| Reference Speed For Grease (r/min) | 20,000 rpm | |
| Limiting Speed For Oil(r/min) | 32,000 rpm | |
What's the Performance Features of 7209 CD/HCP4A Bearing?
The 7209 CD/HCP4A angular contact ball bearing is manufactured to P4A precision grade standards, excels in high-precision and high-performance applications. It handles both radial and axial loads simultaneously, supports high-speed operation with stability, minimizes torque and friction for energy efficiency, and offers enhanced rigidity for accuracy under heavy loads. Built with hybrid ceramic balls, this durable bearing ensures extended service life and effective performance across a wide temperature range, making it ideal for applications requiring superior rotational accuracy and reliability.
What's the Applications of the 7209 CD/HCP4A Bearing?
The 7209 CD/HCP4A bearing, as a precision angular contact ball bearing, is widely used across various industries due to its high speed, high load capacity, and high-temperature resistance. Below are its main application areas and corresponding technical features:
1. Machinery and Manufacturing
- Machine Tools: Used in milling, grinding, and casting machines for high rigidity and speed .
- Precision Equipment: Suitable for ceramic cutters, marking machines, and rubber cutters, ensuring accuracy and repeatability .
2. Industrial and Chemical Applications
- Chemical Processing: Works in kneading machines, plastic rollers, and leak-free pumps, resisting corrosion and high temperatures.
- Energy and Mining: Handles heavy loads in ore processing equipment, geological machinery, and pressing machines .
3. Special Environments
- High-Temperature and High-Speed: Ceramic ball design suits ovens, annealing furnaces, and high-speed fans.
- Automation: Ensures precision in fabric inspection and folding machines on automated lines .
4. Other Uses
- Environmental Equipment: Such as dryers and energy-efficient welders .
- Transportation: Potentially used in high-speed rail or precision systems.
| 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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