71908 ACB/P4A Super Precision Single Row Angular Contact Ball Bearing 7908
71908 ACB/P4A 40*62*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-speed B design, single row angular contact ball bearing
The 71908 ACB/P4A bearing,bore diameter is 40 mm, outside diameter is 62 mm,width is 12 mm,featuring precise dimensions, high static load capacity, P4A precision grade, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71908 ACB/P4A | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 40 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 | |
| Outer Bore Diameter (D) | 62 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 12 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 | P4A better than P4 (ABEC-7) | |
| Weight | 0.12 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 5070 N |
| Static Radial Load | 3900 N | |
| Reference Speed For Grease (r/min) | 28,000 rpm | |
| Limiting Speed For Oil(r/min) | 43,000 rpm | |
What's the Performance Features of 71908 ACB/P4A Bearing?
The 71908 ACB/P4A 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 71908 ACB/P4A Bearing?
The 71908 ACB/P4A high-precision angular contact ball bearing is designed for high-speed, high-rigidity, and low-friction applications, making it ideal for core areas such as machine tool spindles and industrial automation equipment, where it ensures precision and stability; it also excels in high-speed motors and precision instruments by minimizing vibration and noise. Additionally, its extended applications include aerospace requiring reliability in extreme environments, energy and heavy machinery needing enhanced load capacity, and medical and laboratory devices benefiting from its low friction and long service life, thus providing exceptional performance across a wide range of demanding operational scenarios.
| 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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