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Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQGB

Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQGB

The 71912 ACD/P4AQGB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11115 lbf and operates smoothly at speeds up to 33000 RPM.

With a 25° contact angle and universal matching, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light use (Class B) and works in temperatures from -30°C to 110°C. Its open design allows easy lubrication, maintaining performance over time.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. Weighing 0.76kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 ACD/P4AQGB
  • 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 52 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 Universal matching
  • Number Of Bearings In Matched Set 4
  • 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 11115 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.76 kg
Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQGB dimension drawing
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Features

How Does 71912 ACD/P4AQGB Bearing Reduce Friction?

71912 ACD/P4AQGB Bearing features a 25° contact angle, optimising load distribution and reducing friction.
The chrome steel rings and balls ensure smooth operation, even at high speeds up to 33,000 rpm.

Its phenolic cage maintains ball alignment, minimising wear and enhancing longevity.
The universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

With a dynamic radial load capacity of 11,115 lbf, it delivers reliable performance in precision applications.
The P4A tolerance class ensures consistent accuracy and efficiency.

Application

Common Applications of 71912 ACD/P4AQGB Bearing
71912 ACD/P4AQGB Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements in complex setups.

In aerospace applications, 71912 ACD/P4AQGB Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable phenolic cage. The P4A tolerance class guarantees consistent performance under demanding conditions.

For robotics, 71912 ACD/P4AQGB Bearing excels in articulated arms, providing smooth motion with minimal friction. Its light preload and open design make it suitable for precision movements in automated systems.

Medical imaging devices benefit from 71912 ACD/P4AQGB Bearing’s chrome steel construction, which ensures durability in high-use scenarios. The lubricated design further enhances its longevity in sensitive environments.

In automotive testing equipment, 71912 ACD/P4AQGB Bearing handles high-speed rotations with ease, making it ideal for dynamometers. The matched set of four bearings offers balanced performance for rigorous testing conditions.

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