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71910 CB/P4A Super Precision Single Row Angular Contact Ball Bearing 7910
71910 CB/P4A 50*72*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 71910 CB/P4A bearing,bore diameter is 50 mm, outside diameter is 72 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 |
71910 CB/P4A |
| Bearing Type |
Angular Contact |
| Measurement Unit |
Metric |
| Dimensions |
Inner Bore Diameter (d) |
50 mm |
| Inner Bore Diameter Tolerance |
-0.006mm to 0 |
| Outer Bore Diameter (D) |
72 mm |
| Outer Bore Diameter Tolerance |
-0.007mm to 0 |
| Width (B) |
12 mm |
| Width Tolerance |
-0.2mm to 0 |
| Specifications |
Contact Angle |
15° (25°,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 |
0.13 kg |
| Matched Arrangement |
No |
| Universal Matching Bearing |
No |
| Preload |
Not applicable |
| Load and Speed |
Dynamic Radial Load |
7800 N |
| Static Radial Load |
6300 N |
| Reference Speed For Grease (r/min) |
26,000 rpm |
| Limiting Speed For Oil(r/min) |
38,000 rpm |
What's the Performance Features of 71910 CB/P4A Bearing?
The 71910 CB/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 71910 CB/P4A Bearing?
The 71910 CB/P4A bearing, as a high-precision angular contact ball bearing, is widely used in various fields due to its design features (such as P4-grade precision and high-speed performance):
1. Machine Tool Spindles
Used in spindle systems of CNC machines, lathes, grinders, and other equipment.
2. Precision Instruments and Measurement Equipment
Applied in optical instruments, laboratory equipment, and more, ensuring low noise and high positioning accuracy.
3. Industrial Automation Equipment
Used in robotic joints and high-precision motion control units, meeting the demands of high-speed repetitive positioning.
4. Aerospace Applications
Used in aviation equipment transmission systems or precision control components .
5. Other High-Speed Rotating Equipment
Such as wind turbine spindles, special motors, and other equipment requiring long-term stable operation.
| 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 |
If you need more detailed information , feel free to ask!
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