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Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTC

The 71913 ACD/P4ATBTC 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 comes in a matched set of three bearings for balanced performance.

This bearing handles radial loads up to 9518 lbf and can reach speeds of 36,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under moderate preload conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. Ideal for use in machine tools or spindle systems where accuracy and speed are crucial.

Weighing 0.63kg, it operates efficiently in temperatures from -30°C to 110°C. Its interchangeable nature with SKF bearings makes it a practical choice for replacements.

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Product Parameters

  • Part Number 71913 ACD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 39 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.63 kg
Super Precision Angular Contact Ball Bearings 71913 ACD/P4ATBTC dimension drawing
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Features

How Does 71913 ACD/P4ATBTC Bearing Ensure Precision in High-Speed Applications?

71913 ACD/P4ATBTC Bearing features a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide durability, while the phenolic cage reduces friction at high speeds.

With a maximum speed of 36,000 rpm, it maintains precision even under demanding conditions.
The matched arrangement of three bearings ensures stability and balanced performance.

Moderate preload (Class C) enhances rigidity without compromising smooth operation.
Its P4A tolerance class guarantees consistent accuracy for precision machinery.

Application

Industrial Uses of 71913 ACD/P4ATBTC Bearing
71913 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle rotation. The phenolic cage helps reduce friction, making it suitable for long operational hours.

In automotive applications, 71913 ACD/P4ATBTC Bearing supports high-speed components like turbochargers and transmission systems. Its chrome steel construction provides the durability needed for demanding conditions.

For automation systems, 71913 ACD/P4ATBTC Bearing is a reliable choice for robotic arms and CNC machines, thanks to its balanced load distribution. The open seal type allows for easy lubrication, extending its service life.

Medical imaging devices benefit from 71913 ACD/P4ATBTC Bearing’s precision and stability, ensuring smooth operation in critical equipment. The P4A tolerance class guarantees consistent performance in sensitive environments.

In consumer electronics, 71913 ACD/P4ATBTC Bearing can be found in high-end printers and scanners, where its low noise and vibration levels enhance user experience. The metric sizing ensures compatibility with various international standards.

Q&A

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