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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBA

The 71912 ACD/P4ADBA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter. Made from chrome steel, it’s designed for high-speed applications, reaching up to 33,000 RPM.

Its 25° contact angle and extra light preload ensure smooth operation under radial loads up to 6795 lbf. The open design and phenolic cage make it durable and easy to maintain.

This bearing comes in a matched set of two, arranged back-to-back for better stability. It’s ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.38kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a reliable choice for demanding applications.

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Product Parameters

  • Part Number 71912 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6795 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADBA dimension drawing
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Features

Performance Features of 71912 ACD/P4ADBA Bearing

71912 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings provides extra stability, ideal for high-speed operations.
With a maximum speed of 33,000 rpm, it delivers reliable performance in demanding conditions.

71912 ACD/P4ADBA Bearing’s P4A tolerance class guarantees exceptional accuracy for critical tasks.
Its dynamic radial load capacity of 6795 lbf ensures long-lasting performance under stress.

Application

Common Applications of 71912 ACD/P4ADBA Bearing
71912 ACD/P4ADBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it ideal for applications demanding minimal friction and smooth operation.

In robotics, 71912 ACD/P4ADBA Bearing supports articulated arms, providing stability and precision in repetitive movements. Its matched arrangement enhances load distribution, extending service life in automated systems.

For aerospace components, 71912 ACD/P4ADBA Bearing’s P4A tolerance class guarantees reliability in critical flight systems. The phenolic cage material offers lightweight durability, suitable for high-speed environments.

In medical imaging devices, 71912 ACD/P4ADBA Bearing’s chrome steel construction ensures consistent performance under radial loads. The open seal type allows for easy lubrication, maintaining efficiency in long-term use.

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