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Home / Single Row Open Angular Contact Ball Bearing / Ball Bearing 719C/ACP4

Ball Bearing 719C/ACP4

This Ball bearing 719C/ACP4 uses ceramic balls as the rolling elements. The ceramic material has high hardness and low weight. When running at high speeds, it can effectively reduce centrifugal force and inertial force, minimize wear, and extend the service life of the bearing. Moreover, it has a low coefficient of thermal expansion, ensuring excellent dimensional stability under temperature changes and maintaining precision.

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Ball Bearing 719C/ACP4
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TOP PRODUCT TYPES DENTAIL APPLICATION RELATED PRODUCTS
Ball Bearing 719C/ACP4
  Type Main dimensions Rated load Rated speed
      Dynamics Static Speed limit
Mail   d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min]
71936 ACD/P4AQBCC 180 250 132 95175lbf 180000lbf 16.25x1k rpm
71936 ACD/P4AQBCA 180 250 132 95175lbf 180000lbf 16.25x1k rpm
71932 ACD/P4QBCA 280 380 112 73125lbf 137250lbf 7.5x1k rpm
71934 CD/P4AQBCD 170 230 112 77625lbf 150750lbf 16.25x1k rpm
71934 ACD/P4AQBCB 170 230 112 73125lbf 144000lbf 16.25x1k rpm
71932 ACD/P4AQBCA 160 220 112 73125lbf 137250lbf 11x1k rpm
71930 CD/P4AQBCD 150 210 112 67950lbf 117000lbf 11x1k rpm
71930 ACD/P4AQGA 150 210 112 64350lbf 112500lbf 11x1k rpm
71936 CD/P4ATBTB 180 250 99 81900lbf 141750lbf 11x1k rpm
71936 ACD/P4ATBTB 180 250 99 77625lbf 135000lbf 16.25x1k rpm
71936 ACD/P4ATBTA 180 250 99 77625lbf 135000lbf 16.25x1k rpm
71936 ACD/HCP4ATGA 180 250 99 77625lbf 135000lbf 16.25x1k rpm
71928 ACD/P4AQBCD 140 190 96 53550lbf 99000lbf 11x1k rpm
71928 ACD/P4AQBCC 140 190 96 53550lbf 99000lbf 11x1k rpm
71926 ACD/P4AQBCC 130 180 96 51525lbf 91125lbf 7.5x1k rpm
71926 ACD/P4AQBCA 130 180 96 51525lbf 91125lbf 7.5x1k rpm
71924 CD/P4AQFCC 120 165 88 45675lbf 82125lbf 10x1k rpm
71924 CD/P4AQBCC 120 165 88 45675lbf 82125lbf 10x1k rpm
71924 ACD/P4AQBCD 120 165 88 43875lbf 77625lbf 10x1k rpm
71924 ACD/P4AQBCC 120 165 88 43875lbf 77625lbf 10x1k rpm
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Dentail
Structural Characteristics
  • Precision Ceramic Balls: This 719C/ACP4 ball bearing uses ceramic balls as the rolling elements. The ceramic material has high hardness and low weight. When running at high speeds, it can effectively reduce centrifugal force and inertial force, minimize wear, and extend the service life of the bearing. Moreover, it has a low coefficient of thermal expansion, ensuring excellent dimensional stability under temperature changes and maintaining precision.
  • Angular Contact Design: The contact angle is optimized and suitable, typically ranging from 15° to 25°. This endows the bearing with good axial and radial load-bearing capacities, enabling it to evenly distribute the load, cope with complex forces, and ensure stable operation.
  • High-precision Cage: It is equipped with a specially designed cage, mostly made of high-strength engineering plastics or lightweight alloys. The cage can precisely guide the movement of ceramic balls, prevent collisions, and maintain smooth operation. It has minimal deformation in high-speed and high-temperature environments, ensuring the dynamic performance of the bearing.
  • Ultra-precision Rings: The rings are made of high-quality bearing steel and go through multiple processes such as fine forging, heat treatment, and grinding. The surface roughness is extremely low, ensuring good contact with the ceramic balls, resulting in low friction and high rotational accuracy, which meets the requirements of precision applications.
Performance Advantages
  • Ultra-high Precision: With a precision grade of P4, it has outstanding dimensional accuracy and rotational accuracy. The dimensional tolerances are strictly controlled, and the radial runout and axial play are minimal, providing precise support for precision machining, inspection, and other applications.
  • Excellent High-speed Performance: Thanks to the ceramic balls and the ingenious structure, it can easily handle ultra-high rotational speed conditions. It operates stably during high-speed start-stop and speed change processes, suppresses vibration and noise, and reduces fatigue damage at high speeds, making it suitable for high-end fields.
  • Strong Adaptability: It has good tolerance to environmental factors such as temperature, humidity, and dust. Whether it is around an industrial furnace with high temperature or in a humid and dusty workshop, it can work stably and reliably, reducing the frequency of maintenance.
Application
The bearings can be used in the following industries


  • Aerospace: In key components such as aircraft engines and aircraft navigation systems, bearings with high precision, high rotational speed, and high reliability are required. This bearing can ensure the precise operation of the equipment and guarantee flight safety.
  • High-end Machine Tools: High-precision CNC machining centers and the spindles of grinding machines rely on it to achieve high-speed and precise rotation of the tools, and to machine precision parts that meet strict standards.
  • Precision Instruments: For example, in optical measuring equipment and electron microscopes, its high precision helps maintain the high resolution and accurate measurement of the instruments, facilitating scientific research and quality inspection work.


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