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Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71913 CD/P4ADBC

The 71913 CD/P4ADBC is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7470 lbf and reaches speeds of 31,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and matched arrangement of two bearings provide stability under angular loads. The phenolic cage ensures smooth operation and reduces friction, even at high speeds.

This bearing comes preloaded for moderate stiffness, ideal for precision machinery like spindles or CNC tools. It operates efficiently in temperatures from -30°C to 110°C.

Weighing 0.42kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71913 CD/P4ADBC
  • 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 Moderate / Class C
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 71913 CD/P4ADBC Bearing

71913 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 7470 lbf, it handles demanding conditions reliably.
The matched arrangement of two bearings enhances stability and performance in high-speed operations.

Application

Industrial Uses of 71913 CD/P4ADBC Bearing
71913 CD/P4ADBC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71913 CD/P4ADBC Bearing supports high-speed components like turbochargers and electric motors. Its phenolic cage and chrome steel construction offer durability under continuous angular loads.

For medical imaging devices, 71913 CD/P4ADBC Bearing’s P4A tolerance class delivers the precision needed for smooth, vibration-free operation. The open design allows for easy lubrication, extending service life in critical equipment.

Automation and robotics benefit from 71913 CD/P4ADBC Bearing’s ability to handle both radial and axial loads in robotic arms. Its high-speed capability makes it suitable for precise, repetitive movements.

In consumer electronics, 71913 CD/P4ADBC Bearing can be found in high-performance printers, where its low friction and quiet operation enhance user experience. The metric sizing ensures compatibility with various European and Asian models.

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