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Super Precision Angular Contact Ball Bearings 71913 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71913 ACE/HCP4A

The 71913 ACE/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, making it versatile for various uses.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 34,000 RPM. The phenolic cage ensures durability and reduces friction, while the open design allows for easy lubrication.

With a P4 tolerance class, this bearing provides excellent precision and reliability. It’s ideal for machine tools, spindles, or other high-precision equipment where accuracy is crucial.

Weighing just 0.17kg, it’s lightweight yet robust, and operates well in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71913 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 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 No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3510 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.17 kg
  • Price（$） 551.223
Super Precision Angular Contact Ball Bearings 71913 ACE/HCP4A dimension drawing
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Features

Why Choose 71913 ACE/HCP4A Bearing for Precision Tasks?

71913 ACE/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings reduce friction, ensuring smooth operation even at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance in demanding applications.
With a maximum speed of 34,000 rpm, it excels in high-speed machinery while maintaining accuracy.

71913 ACE/HCP4A Bearing’s P4 tolerance class guarantees consistent performance for precision engineering needs.
Its open design allows for easy lubrication, extending service life and reducing maintenance requirements.

Application

Key Fields for 71913 ACE/HCP4A Bearing
71913 ACE/HCP4A Bearing is commonly used in high-speed machine spindles, where its angular contact design helps manage both radial and axial loads efficiently. The ceramic balls reduce friction, making it suitable for precision tasks like milling and grinding.

In robotics, 71913 ACE/HCP4A Bearing ensures smooth movement in articulated arms and joints, thanks to its P4 tolerance class. The phenolic cage also dampens vibrations, which is crucial for delicate operations.

For medical imaging devices, 71913 ACE/HCP4A Bearing’s open design and lubricated setup allow for quiet, reliable performance. Its chrome steel rings provide the durability needed for continuous use in diagnostic equipment.

Automotive applications like electric vehicle motors benefit from 71913 ACE/HCP4A Bearing’s ability to handle high rotational speeds. The 25° contact angle optimises load distribution, extending component life.

In aerospace systems, 71913 ACE/HCP4A Bearing’s lightweight construction and temperature stability make it a practical choice for auxiliary equipment. The ceramic balls further enhance performance in low-lubrication environments.

Q&A

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