71904 FE/HCP4AL 20*37*9 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 suitable for direct oil air lubrication
The 71904 FE/HCP4AL bearing,bore diameter is 20 mm, outside diameter is 37 mm,width is 9 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 | 71904 FE/HCP4AL |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 20 mm |
| Inner Bore Diameter Tolerance | -0.005mm to 0 |
| Outer Bore Diameter (D) | 37 mm |
| Outer Bore Diameter Tolerance | -0.006mm to 0 |
| Width (B) | 9 mm |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 18° (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 | 0.033 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 4880 N |
| Static Radial Load | 2320 N |
| Reference Speed For Grease (r/min) | 64,000 rpm |
| Limiting Speed For Oil(r/min) | 100,500 rpm |
What's the Performance Features of 71904 FE/HCP4AL Bearing?
The 71904 FE/HCP4AL 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 71904 FE/HCP4AL Bearing?
The 71904 FE/HCP4AL bearing,known for its high speed and load capacity, is essential in various industrial applications. It excels in core components like electric spindles and high-speed machining centers, ensuring precision and efficiency in operations such as milling and internal grinding. Additionally, it supports stable performance in woodworking machinery and finds extensive use in other fields including variable frequency pumps, rubber machinery, noise reduction equipment, leather processing devices, and aerial work platforms. Its versatility and reliability make it a critical component across a broad spectrum of demanding industrial environments.
| 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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71904 FE/HCP4AL Super Precision Single Row Angular Contact Ball Bearing 7904 Images
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