71909 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7909
71909 CD/HCP4A 45*68*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity D design, single row angular contact ball bearing
The 71909 CD/HCP4A bearing,bore diameter is 45 mm, outside diameter is 68 mm,width is 12 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 | 71909 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) | 68 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 12 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 (ABEC-7) | |
| Weight | 0.12 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 13000 N |
| Static Radial Load | 9500 N | |
| Reference Speed For Grease (r/min) | 24,000 rpm | |
| Limiting Speed For Oil(r/min) | 36,000 rpm | |
What's the Performance Features of 71909 CD/HCP4A Bearing?
The 71909 CD/HCP4A 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 71909 CD/HCP4A Bearing?
The 71909 CD/HCP4A bearing, as a precision angular contact ball bearing, is characterized by its high speed, high load-carrying capacity, and high-temperature resistance. Its applications span multiple industrial scenarios, as detailed below:
1. Industrial Machinery and Equipment
- Machine Tools: Used in spindles, CNC machines, laser cutters, and lathes [524, 1014].
- Conveying Systems: Found in waste processors, conveyors, dryers, and heat exchangers [17].
2. Energy and Chemical Equipment
- Reaction Systems: Applied in reactors, cooling towers, and pretreatment equipment [114].
- High-Temperature Applications: Suitable for high-temperature reactors and calcination equipment [9].
3. Manufacturing and Processing
- Metalworking: Used in engraving machines, welders, spray guns, and marking machines [1410].
- Plastics and Textiles: Works in molding machines, pressing tables, and textile accessories [114].
4. Special Environments and High-Precision Uses
- High Speed/Load: Ideal for high-speed motors and transmissions (up to 36,000 rpm) [724].
- Sealed Designs: Used in dustproof and waterproof environments (e.g., S71909 CD/HCP4A) [516].
5. Other Applications
- Construction and Transport: Used in vulcanizing presses, traffic equipment, and excavators [114].
- Laboratory and Research: Supports mixing equipment and analytical instruments [114].
| 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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