71904 FE/HCP4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High-Speed Applications
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71904 FE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7904
71904 FE/HCP4A 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. The 71904 FE/HCP4A bearing features a bore diameter of 20 mm, outside diameter of 37 mm, and width of 9 mm. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71904 FE/HCP4A |
| 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 | 0.031 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 |
Performance Features of 71904 FE/HCP4A Bearing
- Very tight tolerances suitable for precise machinery
- 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
Applications of the 71904 FE/HCP4A Bearing
The 71904 FE/HCP4A angular contact ball bearing is distinguished by its high precision and reliability, making it essential in various applications. It ensures accurate and stable operation in industrial machinery including injection molding machines, etching machines, and gantry cranes. In the precision instruments sector, it supports precise movement in mining exploration instruments and color printers. This bearing is crucial for precision machining equipment like CNC lathes and milling machines, as well as for maintaining smooth operation in automated production lines, thereby enhancing productivity and quality across a broad range of industries.
CERTIFICATE: RoHS & REACH, IATF16949:2016
FEATURE: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
SERVICE: OEM&ODM Customized Services, Online Support, Professional Service
SAMPLES: Please Contact Us
SIZE: Standard (For custom sizes, please contact us)
FACTORY MANUFACTURER: Yes
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Company
Beining Intelligent Technology (Zhejiang) Co., Ltd
Location
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
Contact Person
Shelley Dong