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Super Precision Angular Contact Ball Bearings 71913 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71913 ACD/P4ADBA

The 71913 ACD/P4ADBA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and matched pair design (DB arrangement) ensure smooth handling of combined radial and axial loads.

With an extra light preload (Class A), it offers low friction and high-speed performance, reaching up to 36,000 RPM. The open design and phenolic cage make it easy to maintain while providing stable operation.

This bearing suits applications demanding tight tolerances (P4A class), such as machine tool spindles or high-precision equipment. Its lubricated design and temperature range (-30°C to 110°C) ensure reliability in varied conditions.

Weighing 0.42kg, it’s a robust yet manageable choice for precision engineering. Interchangeable with SKF bearings, it simplifies replacements. Ideal for setups where accuracy and speed are critical.

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Product Parameters

  • Part Number 71913 ACD/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 25°
  • 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 7178 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.42 kg
Super Precision Angular Contact Ball Bearings 71913 ACD/P4ADBA dimension drawing
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Features

Performance Features of 71913 ACD/P4ADBA Bearing

71913 ACD/P4ADBA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 7178 lbf, it performs reliably in high-speed applications.

The extra light preload (Class A) enhances precision, making it suitable for demanding tasks.

Application

Ideal for Precision: 71913 ACD/P4ADBA Bearing
The 71913 ACD/P4ADBA Bearing is a go-to choice for high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. Its phenolic cage reduces friction, making it suitable for high-speed spindle applications.

In robotics, 71913 ACD/P4ADBA Bearing excels in articulated arms, providing smooth movement and durability. The matched pair design (DB arrangement) enhances stability in dynamic operations.

For aerospace components, 71913 ACD/P4ADBA Bearing’s P4A tolerance class guarantees reliability in critical systems. Its chrome steel construction withstands rigorous conditions while maintaining performance.

Automotive testing equipment benefits from 71913 ACD/P4ADBA Bearing’s extra-light preload, ensuring precise measurements. The lubricated design also extends service life in continuous-use scenarios.

Q&A

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