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Super Precision Angular Contact Ball Bearings 71922 ACE/P4A

Super Precision Angular Contact Ball Bearings 71922 ACE/P4A

The 71922 ACE/P4A is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and can handle radial loads up to 8482 lbf, spinning smoothly at speeds up to 16,000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the P4 tolerance class guarantees exceptional accuracy. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a versatile choice for replacements. Ideal for high-precision applications like machine tools or spindles where accuracy and speed are crucial.

Weighing 0.83kg, it’s robust yet manageable for its size. Available with preload and matched arrangements for enhanced performance in demanding setups.

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Product Parameters

  • Part Number 71922 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8482 lbf
  • Static Radial Load 7312 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.83 kg
  • Price（$） 1411.866
Super Precision Angular Contact Ball Bearings 71922 ACE/P4A dimension drawing
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Features

Performance Features of 71922 ACE/P4A Bearing

71922 ACE/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a dynamic radial load capacity of 8482 lbf, it handles demanding tasks with ease.
The P4 tolerance class guarantees high precision, making it suitable for critical applications.

Application

Common Applications of 71922 ACE/P4A Bearing
71922 ACE/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The P4 tolerance class makes it suitable for applications demanding minimal runout.

In aerospace components, 71922 ACE/P4A Bearing handles both radial and axial loads efficiently, thanks to its 25° contact angle. Its phenolic cage reduces friction, ideal for high-speed operations like turbine shafts.

For robotics, 71922 ACE/P4A Bearing’s matched arrangement provides stability in articulated arms. The chrome steel construction offers durability in repetitive motion scenarios.

Medical imaging devices benefit from 71922 ACE/P4A Bearing’s smooth operation, crucial for reducing vibration in sensitive equipment. The lubricated design ensures consistent performance over long periods.

In automotive testing rigs, 71922 ACE/P4A Bearing supports precise load measurements. Its open seal type allows for easy inspection and maintenance during prolonged use.

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