S71905 ACD/P4A Super Precision High Capacity Single Row Angular Contact Ball Bearing with P4A Precision Grade
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
S71905 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing 7905 2RZ
Super-precision, high-capacity, single row angular contact ball bearing with seals, designed for high-speed applications requiring exceptional rotational accuracy and stability.
Product Specifications
| Part Number | S71905 ACD/P4A |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 25 mm |
| Inner Bore Diameter Tolerance | -0.005mm to 0 |
| Outer Bore Diameter (D) | 42 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 | Chrome Steel |
| 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 | 0.043 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Dynamic Radial Load | 6370 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease | 34,000 rpm |
| Limiting Speed For Oil | 53,000 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 wide temperature range
Applications
The S71905 ACD/P4A bearing is distinguished by its high precision and durability, making it essential in various industries:
- Heavy industries: steel mills, aluminum plants
- Energy sector: wind turbine main shafts and gearboxes
- Transportation: automobile engines, mining equipment, port machinery
- Industrial machinery: elevator traction machines, plastic machinery, compressors, machining centers
Certifications & Services
| Certificates | RoHS & REACH, IATF16949:2016 |
|---|---|
| Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Service | OEM & ODM Customized Services |
| Samples | Please Contact Us |
| Support | Online Support, Professional Service |
| Size Options | Standard sizes available, custom sizes upon request |
| Manufacturer | Factory Manufacturer |
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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