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Super Precision Angular Contact Ball Bearings 71920 ACD/HCP4ADGC

Super Precision Angular Contact Ball Bearings 71920 ACD/HCP4ADGC

The 71920 ACD/HCP4ADGC is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 20768 lbf and spins smoothly at speeds up to 15000 RPM.

Its 25° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The bearing is preloaded for stability and comes in a matched set of two for versatile mounting options.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 1.34kg, it operates in temperatures from -30°C to 110°C and is lubricated for long-lasting performance. Its universal matching design allows for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 71920 ACD/HCP4ADGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 20768 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.34 kg
Super Precision Angular Contact Ball Bearings 71920 ACD/HCP4ADGC dimension drawing
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Features

Performance Features of 71920 ACD/HCP4ADGC Bearing

71920 ACD/HCP4ADGC Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.

The phenolic cage keeps the ceramic balls aligned, reducing friction and enhancing speed capabilities.
With a maximum speed of 15,000 rpm, it delivers reliable performance in high-speed applications.

71920 ACD/HCP4ADGC Bearing’s universal matching design allows flexible arrangements like back-to-back or face-to-face.
This adaptability makes it ideal for various industrial and precision engineering needs.

The moderate preload (Class C) ensures smooth operation while maintaining accuracy.
Its dynamic radial load capacity of 20,768 lbf guarantees strength under demanding conditions.

Application

How Does 71920 ACD/HCP4ADGC Bearing Improve Performance?
71920 ACD/HCP4ADGC Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71920 ACD/HCP4ADGC Bearing provides precise motion control for articulated arms, thanks to its P4A tolerance class. The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.

For aerospace applications, 71920 ACD/HCP4ADGC Bearing handles moderate preloads in turbine systems, where its chrome steel rings offer durability. The lubricated design ensures smooth operation even at 15,000 rpm.

Medical imaging devices benefit from 71920 ACD/HCP4ADGC Bearing’s low vibration and quiet operation. The ceramic balls also resist corrosion, making it suitable for sterile environments.

In automotive testing rigs, 71920 ACD/HCP4ADGC Bearing supports dynamic load simulations with consistent accuracy. Its metric dimensions simplify integration with European calibration equipment.

Q&A

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