S71904 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls for High Speed 48,000 rpm
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
S71904 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7904 2RZ
S71904 ACD/HCP4A 20×37×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball bearing with seals. The S71904 ACD/HCP4A bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Product Specifications
| Part Number | S71904 ACD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| 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 |
| Contact Angle | 25° (15°, 40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Seal on both sides |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.033 kg |
| Dynamic Radial Load | 5720 N |
| Static Radial Load | 3050 N |
| Reference Speed For Grease | 48,000 rpm |
| Limiting Speed For Oil | 75,000 rpm |
Performance Features
- 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
The S71904 ACD/HCP4A bearing, known for its high precision and high load capacity, is widely used in various industrial applications including:
- Box drying equipment
- Drilling machines
- Impact testers
- Extrusion equipment
- Manual pumps
- Condensers
- Pressing machines
- Barcode devices
- Rubber molding machines
- Cooling towers
- Cold heading machines
- Flash dryers
Its ability to provide stable, accurate support under demanding conditions makes it essential for enhancing the performance, efficiency, and reliability of a wide range of machinery and processes.
Certifications & Services
| 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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
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