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Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCC

The 71913 CD/P4AQBCC is a super precision angular contact ball bearing, measuring 65mm by 90mm by 52mm, crafted from durable chrome steel. It handles radial loads up to 12150 lbf and operates smoothly at speeds up to 31000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing comes in a matched set of four, ideal for applications requiring tight tolerances, such as machine tool spindles. Its open design allows for easy lubrication and maintenance.

Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for demanding environments. Weighing 0.84kg, it balances strength and precision effortlessly.

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Product Parameters

  • Part Number 71913 CD/P4AQBCC
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 12150 lbf
  • Static Radial Load 15075 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.84 kg
Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCC dimension drawing
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Features

How Is 71913 CD/P4AQBCC Bearing Engineered for Reliability?

71913 CD/P4AQBCC Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 12150 lbf, it delivers consistent performance in precision applications.
The P4A tolerance class guarantees high accuracy, making it suitable for demanding machinery.

Lubricated for reduced friction, 71913 CD/P4AQBCC Bearing operates efficiently at speeds up to 31,000 rpm.
Its matched arrangement of four bearings ensures balanced load distribution and extended service life.

Application

Where Is 71913 CD/P4AQBCC Bearing Used?
71913 CD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate performance. The phenolic cage helps reduce friction, making it suitable for long operational hours.

In robotics, 71913 CD/P4AQBCC Bearing supports articulated arms, providing smooth movement and reliability. Its matched arrangement of four bearings enhances stability in dynamic applications.

For aerospace components, 71913 CD/P4AQBCC Bearing’s chrome steel construction handles radial loads effectively. The P4A tolerance class ensures it meets stringent precision requirements.

In medical imaging devices, 71913 CD/P4AQBCC Bearing offers consistent performance due to its balanced design. The open seal type allows for easy lubrication maintenance.

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