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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADFD

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ADFD

The 71912 ACD/P4ADFD is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for heavy preload applications.

This bearing handles radial loads up to 6795 lbf and can spin at impressive speeds of up to 33,000 RPM. Its open design allows for easy lubrication, while the phenolic cage ensures smooth operation under high stress.

The P4A tolerance class guarantees exceptional accuracy, making it suitable for demanding tasks. Ideal for precision machinery like CNC spindles or high-speed rotary tables where reliability is key.

Weighing just 0.38kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades in industrial settings.

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Product Parameters

  • Part Number 71912 ACD/P4ADFD
  • 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 >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • 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/P4ADFD dimension drawing
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Features

Performance Features of 71912 ACD/P4ADFD Bearing

71912 ACD/P4ADFD Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and consistent performance under heavy preload conditions.

The matched arrangement of two bearings (DF) enhances stability and load distribution.
With a dynamic radial load capacity of 6795 lbf, it suits high-precision applications.

Phenolic cage material reduces friction and allows smooth operation at speeds up to 33,000 rpm.
The P4A tolerance class ensures tight precision for demanding machinery.

Operating between -30°C to 110°C, 71912 ACD/P4ADFD Bearing maintains reliability in varied environments.
Its open design simplifies lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 71912 ACD/P4ADFD Bearing
71912 ACD/P4ADFD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The heavy preload and P4A tolerance class make it suitable for demanding industrial environments.

In automotive applications, 71912 ACD/P4ADFD Bearing supports components like high-performance gearboxes and electric motor shafts. Its phenolic cage and chrome steel construction provide durability and smooth operation at high speeds.

For automation systems, 71912 ACD/P4ADFD Bearing is ideal for robotic arms and CNC machinery, thanks to its matched arrangement and consistent performance. The open design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71912 ACD/P4ADFD Bearing’s precision and reliability, ensuring minimal vibration and noise. The temperature range of -30°C to 110°C makes it versatile for various clinical settings.

In consumer electronics, 71912 ACD/P4ADFD Bearing can be found in high-end printers and precision instruments. Its lightweight design and high-speed capability make it a practical choice for compact, efficient devices.

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