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Super Precision Angular Contact Ball Bearings 71912 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71912 CD/HCP4A

The 71912 CD/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. Its 15° contact angle efficiently handles both radial and axial loads up to 4478 lbf.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 28,000 RPM. The phenolic cage ensures durability while keeping the bearing lightweight at just 0.16kg.

This open-design bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4 tolerance class (ABEC-7) ensures exceptional precision for demanding tasks.

Ideal for high-speed spindles, machine tools, or precision equipment where accuracy and reliability are crucial. The ceramic balls reduce friction, making it a smart choice for energy-efficient systems.

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Product Parameters

  • Part Number 71912 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.16 kg
  • Price（$） 5.832
Super Precision Angular Contact Ball Bearings 71912 CD/HCP4A dimension drawing
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Features

Performance Features of 71912 CD/HCP4A Bearing

71912 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 28,000 rpm.
With a dynamic radial load capacity of 4478 lbf, it handles demanding tasks reliably.

71912 CD/HCP4A Bearing operates efficiently in temperatures from -30° to 110°C.
Its P4 tolerance class guarantees high precision, making it ideal for critical applications.

The open design allows for easy lubrication, maintaining performance over time.
Weighing just 0.16 kg, it balances strength and lightweight construction.

Application

Industrial Uses of 71912 CD/HCP4A Bearing
71912 CD/HCP4A Bearing is commonly used in high-speed machine spindles, where its 15° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making it ideal for precision machining applications.

In automotive systems, 71912 CD/HCP4A Bearing supports components like turbochargers and electric motors, where its P4 tolerance class guarantees consistent performance. The phenolic cage adds durability in high-temperature environments.

For robotics, 71912 CD/HCP4A Bearing’s lightweight design and high-speed capability make it suitable for articulated arms and CNC equipment. Its open seal type allows for easy lubrication, extending service life in demanding operations.

Medical imaging devices benefit from 71912 CD/HCP4A Bearing’s low vibration and noise levels, ensuring accurate scans. The chrome steel rings provide long-term reliability in critical healthcare applications.

In consumer electronics, 71912 CD/HCP4A Bearing is found in high-performance fans and small motors, where its compact size and precision are key. The lubricated design ensures quiet operation for everyday use.

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