7209 CD/P4A 45*85*19 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-capacity, single row angular contact ball bearing
The 7209 CD/P4A 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. This bearing delivers superior performance and reliability, making it ideal for applications that require high rotational accuracy and stability.
| Part Number | 7209 CD/P4A |
| 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 | Chrome Steel |
| 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 | 0.41 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) | 17,000 rpm |
| Limiting Speed For Oil(r/min) | 28,000 rpm |
What's the Performance Features of 7209 CD/P4A Bearing?
The 7209 CD/P4A 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/P4A Bearing?
The 7209 CD/P4A bearing, as an angular contact ball bearing, is known for its high precision, high-speed performance, and high load-carrying capacity. Its applications span various industrial scenarios, as detailed below:
1. Machine Tools
- Used in machining centers, milling machines, grinders, and woodworking equipment for high rigidity and precision .
2. Industrial Machinery
- Works in injection molding machines, bag makers, dehydration equipment, and hot presses, handling heavy loads and tough conditions .
3. Heavy Machinery
- Applied in gear reducers, sandblasting machines, and road machinery, offering wear and shock resistance .
4. Other Applications
- Found in glass production lines and high-precision components for automotive and railway equipment .
| 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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7209 CD/P4A Super Precision Single Row Angular Contact Ball Bearing Images
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