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Super Precision Angular Contact Ball Bearings 71920 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71920 ACD/P4ADGB

The 71920 ACD/P4ADGB is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel for long-lasting performance.

With a dynamic radial load capacity of 20768 lbf, it handles heavy loads while spinning smoothly at speeds up to 15000 RPM. The phenolic cage ensures stability and reduces friction during operation.

This bearing comes in a matched set of two, allowing universal matching for back-to-back, face-to-face, or tandem arrangements. Its open design and light preload make it easy to install and maintain.

Ideal for precision machinery like CNC spindles or high-speed motors, it operates reliably in temperatures from -30°C to 110°C. Weighing 1.6kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 71920 ACD/P4ADGB
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 1.6 kg
  • Price（$） 694.458
Super Precision Angular Contact Ball Bearings 71920 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71920 ACD/P4ADGB Bearing

71920 ACD/P4ADGB Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle provides excellent radial and axial load capacity, making it versatile for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load of 20768 lbf, it handles demanding conditions reliably.

71920 ACD/P4ADGB Bearing operates smoothly at speeds up to 15,000 rpm.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

The P4A tolerance class ensures superior precision for critical applications.
Its temperature range of -30°C to 110°C makes it suitable for diverse environments.

Application

Key Fields for 71920 ACD/P4ADGB Bearing
71920 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71920 ACD/P4ADGB Bearing handles both radial and axial loads in components like turbine shafts. Its phenolic cage offers stability at high speeds, crucial for flight safety.

For robotics, 71920 ACD/P4ADGB Bearing provides smooth motion in articulated arms, thanks to its light preload and P4A tolerance class. The chrome steel construction ensures durability in repetitive tasks.

Medical imaging devices benefit from 71920 ACD/P4ADGB Bearing’s low vibration and precise movement. The open design simplifies lubrication, maintaining performance in sterile environments.

In automotive testing equipment, 71920 ACD/P4ADGB Bearing supports high-speed dynamometers. Its 15,000 rpm rating and thermal stability make it reliable for prolonged use.

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