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Super Precision Angular Contact Ball Bearings 71932 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71932 ACD/P4ADBB

The 71932 ACD/P4ADBB is a super precision angular contact ball bearing with a 160mm bore and 220mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 44775 lbf and operates smoothly at speeds up to 11000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle systems where accuracy is crucial. It works well in temperatures from -30°C to 110°C.

Weighing 5.4kg, this bearing is robust yet precision-engineered for performance. It’s interchangeable with SKF equivalents, making replacements straightforward.

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Product Parameters

  • Part Number 71932 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 160 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 220 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 44775 lbf
  • Static Radial Load 68625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5.4 kg
Super Precision Angular Contact Ball Bearings 71932 ACD/P4ADBB dimension drawing
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Features

How Does 71932 ACD/P4ADBB Bearing Reduce Friction?

71932 ACD/P4ADBB Bearing features a 25° contact angle, optimised for smooth angular contact performance.

Its chrome steel construction ensures durability while maintaining low friction during operation.

The phenolic cage keeps the balls aligned, reducing wear and enhancing efficiency.

With a maximum speed of 11,000 rpm, it delivers reliable performance in high-speed applications.

Application

Industrial Uses of 71932 ACD/P4ADBB Bearing
71932 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under heavy radial loads.

In automotive applications, 71932 ACD/P4ADBB Bearing supports high-performance gearboxes and drivetrains, thanks to its light preload and phenolic cage. Its metric sizing makes it a reliable choice for European car manufacturers.

For medical imaging devices, 71932 ACD/P4ADBB Bearing’s chrome steel construction offers durability and smooth operation. The open seal type allows for easy lubrication, extending its lifespan in demanding environments.

Automation systems benefit from 71932 ACD/P4ADBB Bearing’s ability to handle high speeds, making it ideal for robotic arms and CNC machines. The P4A tolerance class ensures consistent performance in precision tasks.

In consumer electronics, 71932 ACD/P4ADBB Bearing can be found in high-end printers and scanners, where its low friction and quiet operation are valued. The temperature range suits both indoor and industrial settings.

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