71905/VA9D1 25*42*9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision universally matchable single row angular contact ball bearing for driven tools
The 71905/VA9D1 bearing,bore diameter is 25 mm, outside diameter is 42 mm,width is 9 mm,featuring precise dimensions, high static load capacity, P4 precision grade,delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71905/VA9D1 |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | 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 |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Chrome Steel |
| 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 | 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 |
| Load and Speed | 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 |
What's the Performance Features of 71905/VA9D1 Bearing?
The 71905/VA9D1 angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the 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.
What's the Applications of the 71905/VA9D1 Bearing?
The 71905/VA9D1 bearing,is designed to handle both radial and axial loads at high speeds and precision, making them ideal for use in medium to small-sized precision equipment such as machine tool spindles and motor rotors. These bearings find applications in diverse sectors including new energy vehicles (NEVs), particularly in electric drive systems and gearboxes, where their high-speed and heat resistance properties are crucial. In industrial automation and robotics, they support high dynamic responses in components like robot joints and servo motors. Additionally, their specifications make them suitable for a wide range of mechanical devices, from small motors and household appliances to light-duty transmission systems, highlighting their versatility and reliability across multiple industries.
| 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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71905/VA9D1 Super Precision Single Row Angular Contact Ball Bearing 7905 Images
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