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Super Precision Angular Contact Ball Bearings 71820 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71820 ACD/P4DGB

The 71820 ACD/P4DGB is a super precision angular contact ball bearing with a 100mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7762 lbf and operates smoothly at speeds up to 15,000 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light applications and works well in temperatures from -30°C to 110°C. Its open design allows for easy lubrication.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and reliability are key. Weighing 0.62kg, it’s a robust choice for demanding applications. Compliant with P4 tolerance class for superior performance.

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Product Parameters

  • Part Number 71820 ACD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 34
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7762 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.62 kg
Super Precision Angular Contact Ball Bearings 71820 ACD/P4DGB dimension drawing
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Features

Performance Features of 71820 ACD/P4DGB Bearing

71820 ACD/P4DGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability, while the phenolic cage provides stability at high speeds.

With a dynamic radial load capacity of 7762 lbf, it handles demanding conditions reliably.
Its P4 tolerance class guarantees precision, making it suitable for high-performance machinery.

The universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.
This versatility ensures smooth operation in various setups, reducing installation complexity.

Operating at speeds up to 15,000 rpm, it maintains efficiency without compromising performance.
The temperature range of -30°C to 110°C ensures reliability in diverse environments.

Application

Key Fields for 71820 ACD/P4DGB Bearing
71820 ACD/P4DGB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71820 ACD/P4DGB Bearing enhances performance in wheel hubs and transmission systems. Its light preload and P4 tolerance class provide smooth operation under varying loads.

For robotics, 71820 ACD/P4DGB Bearing offers reliable support in articulated arms and precision joints. The phenolic cage reduces friction, ensuring long-lasting performance in high-speed movements.

Medical imaging devices benefit from 71820 ACD/P4DGB Bearing’s consistent accuracy and low noise. The chrome steel construction ensures durability in critical diagnostic equipment.

In aerospace, 71820 ACD/P4DGB Bearing is trusted for its ability to handle both radial and axial loads. Its high-speed capability makes it ideal for avionics and control systems.

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