S71905 CD/P4A Super Precision Single Row Angular Contact Ball Bearing 25x42x9 mm with P4A Precision Grade for High Speed Operation
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
S71905 CD/P4A Super Precision Single Row Angular Contact Ball Bearing 7905
Product Overview
S71905 CD/P4A 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing with high-speed capability. This super-precision, high-capacity bearing features seals and delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | S71905 CD/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 | 15° (25°, 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 |
Load and Speed Ratings
| Dynamic Radial Load | 6760 N |
| Static Radial Load | 4000 N |
| Reference Speed For Grease (r/min) | 38,000 rpm |
| Limiting Speed For Oil (r/min) | 56,000 rpm |
Performance Features
- Engineered for high-precision and high-performance applications
- 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 CD/P4A bearing is essential for a wide array of industrial applications including:
- Steel, aluminum, chemical, and cement industries
- Wind power generation for enhanced stability and efficiency
- Construction machinery and automotive engines
- Transmission systems and mining equipment
- Port equipment and metallurgical processes
- Elevators, plastic machinery, and compressors
- Machine tools and heavy truck manufacturing
Certifications & Services
| Certificates | RoHS & REACH, IATF16949:2016 |
| Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Services | OEM & ODM Customized Services, Online Support, Professional Service |
| Samples | Please Contact Us |
| Size Availability | Standard sizes available, custom sizes upon request |
| 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