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S7209 ACD/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 with seals
The S7209 ACD/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 | S7209 ACD/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 | 25° (15°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) | |
| Cage Material | Phenolic | |
| Number of Rows | 1 Single Row | |
| Seal Type | Seal on both sides | |
| Temperature Range | -30°C to 150°C | |
| Lubrication | Grease | |
| Tolerance Class | P4A better than P4 (ABEC-7) | |
| Weight | 0.35 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 41000 N |
| Static Radial Load | 30000 N | |
| Reference Speed For Grease (r/min) | 17,000 rpm | |
| Limiting Speed For Oil(r/min) | 28,000 rpm | |
What's the Performance Features of S7209 ACD/HCP4A Bearing?
The S7209 ACD/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 S7209 ACD/HCP4A Bearing?
The application areas of the S7209 ACD/HCP4A bearing are primarily concentrated in high-precision, high-speed industrial equipment. The specific applications include the following:
1.Machine Tools and Processing Equipment
Suitable for applications such as motorized spindles, high-speed machining centers (horizontal/vertical), high-speed milling machines, and high-speed internal grinding machines .
Its high rigidity and low vibration characteristics meet the demands of precision machining.
2. Industrial Manufacturing Equipment
Commonly used in AC welders, mesh belt furnaces, cleaning machinery, rotary dryers, and plastic and rubber industrial equipment .
For example, it is used in transmission systems of plastic machinery or to handle high-load operations in welding equipment.
3. Laboratory and Research Equipment
Used in laboratory mixing equipment and precision testing instruments, relying on its high accuracy and stability .
4. Aerospace and High-End Manufacturing
Bearings from the same series (e.g., S7209 CD/HCP4A) by French SNFA-SKF are applied in the aerospace field. It is speculated that this model performs exceptionally well in high-speed, low-friction scenarios .
| 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 |