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Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBA

The 71913 CD/P4ADBA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.

This model handles radial loads up to 7470 lbf and can reach speeds of 31,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and longevity.

The open design allows for easy lubrication, while the extra light preload (Class A) ensures minimal friction. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing 0.42kg, it offers a robust yet lightweight solution for demanding setups.

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Product Parameters

  • Part Number 71913 CD/P4ADBA
  • 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 26 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7470 lbf
  • Static Radial Load 7538 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.42 kg
Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBA dimension drawing
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Features

Performance Features of 71913 CD/P4ADBA Bearing

71913 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 7470 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) enhances precision, making it suitable for high-speed applications up to 31,000 rpm.

71913 CD/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement (2 bearings DB) ensures balanced performance in precision setups.

The open design allows for easy lubrication, maintaining consistent performance over time.
Its tight tolerances (P4A class) guarantee accuracy in critical applications.

Application

Common Applications of 71913 CD/P4ADBA Bearing
71913 CD/P4ADBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability for demanding operations.

In robotics, 71913 CD/P4ADBA Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight while maintaining strength, ideal for repetitive motions.

For aerospace applications, 71913 CD/P4ADBA Bearing handles radial and axial loads in components like landing gear systems. The P4A tolerance class guarantees consistent performance under varying conditions.

Medical imaging devices benefit from 71913 CD/P4ADBA Bearing’s precision, ensuring quiet and reliable operation. The chrome steel construction enhances durability in sterile environments.

Automotive testing equipment often uses 71913 CD/P4ADBA Bearing for its ability to withstand high speeds. The extra light preload ensures minimal vibration during performance evaluations.

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