Part Number | S71930 CD/P4AQBCD |
Brand: BearingMaker | Interchangeable With: SKF |
System of Measurement | Metric |
Contact Angle | 15° |
Seal Type | Sealed |
Matched Arrangement | 4 bearings <<>> QBC |
Preload | Heavy / Class D |
Number Of Bearings In Matched Set | 4 |
Universal Matching Bearing | No |
For Load Direction | Angular Contact |
Bore Dia | 150 mm |
Bore Dia Tolerance | -0.004mm to 0 |
Outer Dia | 210 mm |
Outer Dia Tolerance | -0.004mm to 0 |
Width | 112 mm |
Width Tolerance | -0.2mm to 0 |
Ring Material | Chrome Steel |
Ball Material | Chrome Steel |
Cage Material | Phenolic |
Dynamic Radial Load | 67950 lbf |
Lubrication | Grease |
Max Speed (X1000 rpm) | 11 |
Temperature Range | – 30°C to 110 °C |
Static Radial Load | 117000 lbf |
Tolerance Class | P4A |
Ball Dia | 19.05 mm |
Ball Qty | 23 |
Weight | 10 kg |

S71930 CD/P4AQBCD
Design Features of S71930 CD/P4AQBCD Bearing
The design of S71930 CD/P4AQBCD Bearing is a culmination of advanced materials science, mechanical engineering, and precision manufacturing. S71930 CD/P4AQBCD bore dia is 150 mm. Its out dia is 210 mm. S71930 CD/P4AQBCD width is 112 mm. This super precision angular contact ball bearing is integral in high-speed spindles, precision instruments, and applications where accuracy and speed are critical.
What Benefits Can S71930 CD/P4AQBCD Bearing Provide?
- High-Speed Capabilities: Optimized for high rotational speeds with minimal friction and heat generation.
- Exceptional Precision: Manufactured to ultra-precise tolerances, ensuring unparalleled accuracy in operation.
- Enhanced Rigidity and Stability: Offer superior axial and radial rigidity, maintaining stability under varying load conditions.
- Advanced Material Use: Constructed from high-grade materials for durability, wear resistance, and performance at high speeds and temperatures.
- Low Friction and Heat Dissipation: Designed to minimize internal friction, efficiently dissipating heat to prolong bearing life.
What Can S71930 CD/P4AQBCD Bearing Be Used for?
S71930 CD/P4AQBCD Bearing is used in applications where high precision, speed, and reliability are paramount. Their typical uses include:
- Machine Tool Spindles: Essential in CNC machines and precision grinders, where they ensure high-speed, accurate tool performance.
- High-Speed Machinery: Used in equipment requiring high rotational speeds, such as drilling and milling machines.
- Aerospace Components: Crucial in aerospace applications for gyroscopes, actuators, and jet engine components due to their precision and stability.
- Medical Equipment: Employed in high-speed medical devices like dental drills and medical imaging equipment.
- Semiconductor Manufacturing: Used in semiconductor production equipment where precision and speed are crucial for accurate wafer processing.
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