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Super Precision Angular Contact Ball Bearings 71913 ACD/P4A

Super Precision Angular Contact Ball Bearings 71913 ACD/P4A

The 71913 ACD/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, handling up to 4388 lbf dynamically.

With a maximum speed of 20,000 RPM, this bearing offers smooth and reliable performance. Its open design and phenolic cage ensure durability and easy maintenance, suitable for high-speed applications.

The bearing operates efficiently in temperatures ranging from -30°C to 110°C. It meets the P4 tolerance class (ABEC-7), ensuring precision in demanding environments.

Ideal for use in machine tools or precision equipment where accuracy and speed are crucial. Weighing just 0.21kg, it’s a lightweight yet robust solution for industrial needs.

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Product Parameters

  • Part Number 71913 ACD/P4A
  • 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 26
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 20000 rpm
  • Weight 0.21 kg
  • Price（$） 551.466
Super Precision Angular Contact Ball Bearings 71913 ACD/P4A dimension drawing
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Features

Why Choose 71913 ACD/P4A Bearing for Precision Tasks?

71913 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation under high-speed conditions.

With a dynamic radial load capacity of 4388 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

71913 ACD/P4A Bearing reaches speeds up to 20,000 rpm, making it suitable for high-performance machinery.
Its P4 tolerance class guarantees exceptional accuracy for precision tasks.

Application

Industrial Uses of 71913 ACD/P4A Bearing
71913 ACD/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle helps manage combined radial and axial loads efficiently. The open design and phenolic cage make it suitable for high-speed operations without compromising stability.

In robotics, 71913 ACD/P4A Bearing ensures smooth movement in articulated arms, thanks to its P4 tolerance class. The chrome steel construction provides durability, even in continuous operation scenarios.

For medical imaging devices, 71913 ACD/P4A Bearing offers reliable performance due to its low friction and precise tolerances. The lubricated design further enhances its longevity in sensitive applications.

Automotive vs Aerospace: Applications of 71913 ACD/P4A Bearing
In automotive systems, 71913 ACD/P4A Bearing is often found in gearboxes, where its high-speed capability and load handling are essential. The metric sizing ensures compatibility with a range of vehicle designs.

Aerospace applications benefit from 71913 ACD/P4A Bearing’s precision and lightweight phenolic cage. Its ability to handle angular loads makes it ideal for aircraft control systems.

Where Is 71913 ACD/P4A Bearing Used?
You’ll often see 71913 ACD/P4A Bearing in industrial pumps, where its high-speed rating and durability are key. The open seal design allows for easy lubrication, extending service life.

In automation equipment, 71913 ACD/P4A Bearing supports linear motion systems with minimal vibration. The P4 tolerance ensures consistent performance in repetitive tasks.

Q&A

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