Super Precision 25x42x9 mm High Speed Angular Contact Ball Bearing Single Row Bearing
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
S71905/VA9D1 Super Precision Single Row Angular Contact Ball Bearing 7905 2RZ
Product Overview
71905/VA9D1 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing with high-speed capability. Super-precision universally matchable single row angular contact ball bearing with seals for driven tools.
The 71905/VA9D1 bearing features precise dimensions, high static load capacity, P4 precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71905/VA9D1 |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 25 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 42 mm |
| Outer Bore Diameter Tolerance | -0.004mm 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 | P4 |
| Weight | 0.043 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB, DF, DT 2 bearings |
| Preload | Not applicable |
| Dynamic Radial Load | 6370 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease (r/min) | 25,000 rpm |
| Limiting Speed For Oil (r/min) | 35,000 rpm |
Product Images
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 a wide temperature range
Applications
The 71905/VA9D1 bearing is crucial in multiple sectors due to its capability to handle radial and axial loads at high speeds with precision:
- Precision machine tools - ensures high-speed rotational accuracy and stability
- High-speed rail - supports safe and efficient train operations
- Aerospace - meets stringent demands under extreme conditions
- Automation equipment and robotics - facilitates precise control and operation
- Wind turbines and high-speed motors
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, For custom sizes please contact us |
| Manufacturer | Factory Manufacturer |
Related Videos
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