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Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4A

The 71912 ACE/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 3442 lbf and reaches speeds of 36,000 RPM, thanks to its ceramic balls and phenolic cage.

With a 25° contact angle, it efficiently manages combined radial and axial loads. The open design allows easy lubrication, while the P4 tolerance class ensures high precision for demanding applications.

This bearing is interchangeable with SKF models, making replacements straightforward. Ideal for high-speed machinery like spindles or dental drills where precision and reliability are key.

Weighing just 0.16kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. The matched arrangement option adds versatility for complex setups.

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Product Parameters

  • Part Number 71912 ACE/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 23
  • 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 3442 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.16 kg
  • Price（$） 51.21
Super Precision Angular Contact Ball Bearings 71912 ACE/HCP4A dimension drawing
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Features

Performance Features of 71912 ACE/HCP4A Bearing

71912 ACE/HCP4A Bearing is crafted with a 25° contact angle, ensuring precise angular contact performance.
Its chrome steel rings and ceramic balls reduce friction, enhancing efficiency in high-speed applications.

The phenolic cage maintains ball alignment, contributing to smooth operation under dynamic radial loads.
With a maximum speed of 36,000 rpm, it delivers reliable performance in demanding conditions.

71912 ACE/HCP4A Bearing’s P4 tolerance class guarantees high precision for critical applications.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Key Fields for 71912 ACE/HCP4A Bearing
71912 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71912 ACE/HCP4A Bearing provides precise motion control for articulated arms and joints. Its P4 tolerance class makes it suitable for applications demanding minimal vibration and high accuracy.

For aerospace components, 71912 ACE/HCP4A Bearing’s lightweight design and high-speed capability are ideal for gyroscopes and navigation systems. The chrome steel rings offer durability in demanding environments.

Automotive applications like electric vehicle motors benefit from 71912 ACE/HCP4A Bearing’s ability to handle both radial and thrust loads efficiently. The lubricated design ensures long service life even at high RPMs.

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