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Super Precision Angular Contact Ball Bearings 71913 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71913 ACB/HCP4A

The 71913 ACB/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 2239 lbf and can reach speeds of 34,000 RPM, making it suitable for demanding tasks. The phenolic cage ensures stability while reducing friction during high-speed rotation.

Its open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. With a P4 tolerance class, it offers precise performance for critical applications.

Ideal for use in machine tools or precision equipment where accuracy and speed are essential. Weighing just 0.19kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71913 ACB/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 5.556 mm
  • Ball Qty 32
  • 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 2239 lbf
  • Static Radial Load 1980 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.19 kg
  • Price（$） 551.322
Super Precision Angular Contact Ball Bearings 71913 ACB/HCP4A dimension drawing
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Features

Performance Features of 71913 ACB/HCP4A Bearing

71913 ACB/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 34,000 rpm.
With a dynamic radial load capacity of 2239 lbf, it handles demanding tasks with ease.

71913 ACB/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy applications.

The open design allows for easy lubrication, maintaining performance over time.
Weighing just 0.19 kg, it offers a balance of strength and lightweight construction.

Application

Industrial Uses of 71913 ACB/HCP4A Bearing
71913 ACB/HCP4A Bearing is commonly used in high-speed machine tools, where its 25° contact angle provides excellent radial and axial load support. The ceramic balls reduce friction, making it ideal for precision applications.

In automotive systems, 71913 ACB/HCP4A Bearing enhances performance in components like electric motors and transmissions. Its P4 tolerance ensures smooth operation even under demanding conditions.

For robotics, 71913 ACB/HCP4A Bearing offers reliable accuracy in articulated arms and automated systems. The phenolic cage adds durability while maintaining low weight for efficient movement.

Medical imaging devices benefit from 71913 ACB/HCP4A Bearing’s consistent performance and low heat generation. The open design allows for easy lubrication, extending service life in critical applications.

In consumer electronics, 71913 ACB/HCP4A Bearing is found in high-end printers and scanners, where quiet operation is essential. The metric sizing ensures compatibility with a wide range of equipment.

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