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Super Precision Angular Contact Ball Bearings 71912 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71912 ACD/HCP4A

The 71912 ACD/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, making it versatile for various setups.

Made from chrome steel rings and ceramic balls, this bearing offers smooth operation and reduced friction. The phenolic cage ensures durability, while the P4 tolerance class guarantees precise performance.

With a maximum speed of 26,000 RPM, it’s ideal for machine tools or spindle drives. The open design allows easy lubrication, extending its lifespan.

Weighing just 0.16kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades in precision machinery.

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Product Parameters

  • Part Number 71912 ACD/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 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.16 kg
  • Price（$） 5.661
Super Precision Angular Contact Ball Bearings 71912 ACD/HCP4A dimension drawing
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Features

Performance Features of 71912 ACD/HCP4A Bearing

71912 ACD/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, ensuring smooth rotation even at speeds up to 26,000 rpm.
With a dynamic radial load capacity of 4185 lbf, it handles demanding tasks reliably.

71912 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, reducing maintenance needs over time.

The P4 tolerance class ensures high precision, making it suitable for critical applications.
Its compact size (60 mm×85 mm×13 mm) fits seamlessly into various machinery setups.

Application

Industrial Uses of 71912 ACD/HCP4A Bearing
71912 ACD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 71912 ACD/HCP4A Bearing supports components like wheel hubs and transmissions, offering reliable performance under radial and axial loads. Its P4 tolerance class ensures consistent quality in demanding conditions.

For automation systems, 71912 ACD/HCP4A Bearing is ideal for robotic arms and CNC machines, thanks to its phenolic cage and low-maintenance design. The matched arrangement option further enhances stability in complex setups.

Medical imaging devices benefit from 71912 ACD/HCP4A Bearing’s smooth operation and precision, ensuring minimal vibration during scans. The chrome steel rings provide long-lasting durability in sterile environments.

In consumer electronics, 71912 ACD/HCP4A Bearing can be found in high-end printers and scanners, where its quiet performance and reliability are valued. The lubricated design ensures smooth operation over extended periods.

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