71909 CE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7909
71909 CE/HCP4A 45*68*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing
The 71909 CE/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 CE/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 | 10400 N |
| Static Radial Load | 6800 N | |
| Reference Speed For Grease (r/min) | 34,000 rpm | |
| Limiting Speed For Oil(r/min) | 52,000 rpm | |
What's the Performance Features of 71909 CE/HCP4A Bearing?
The 71909 CE/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 CE/HCP4A Bearing?
The application fields of the 71909 CE/HCP4A bearing are primarily concentrated in high-precision, high-speed, and high-load mechanical scenarios. The specific areas include:
Industrial Processing Equipment
- Plastic molding machines, canned food processing equipment, mixers, welded pipe machines, friction welding machines, etc.
- Suitable for engraving machines, weaving machinery, cooling towers, gas furnaces, and other scenarios.
Energy and Environmental Protection Equipment
- Energy-saving and environmental protection equipment, oilfield equipment, air coolers, complete smelting equipment, etc.
Transportation and Engineering Machinery
- Automotive mufflers, cranes, differential pinion shafts, internal combustion engines, etc.
General Machinery and Precision Instruments
- General-purpose electric motors, instruments, household appliances, sports equipment, film stretching equipment, etc.
- Suitable for high-temperature industrial equipment and precision machine tools.
Special Industrial Scenarios
- Fatigue testing machines, energy storage machines, inkjet printers, etc.
| 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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