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Super Precision Angular Contact Ball Bearings 71913 CD/P4ADFB

Super Precision Angular Contact Ball Bearings 71913 CD/P4ADFB

The 71913 CD/P4ADFB 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 spins smoothly at speeds up to 31000 RPM.

Its 15° contact angle and matched arrangement (DF) ensure stable performance under angular loads, while the phenolic cage reduces friction. The open design allows for easy lubrication and maintenance.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. With a temperature range of -30°C to 110°C, it suits various industrial environments.

Weighing 0.42kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it offers reliable precision for demanding tasks. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71913 CD/P4ADFB
  • 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 >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • 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/P4ADFB dimension drawing
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Features

How Is 71913 CD/P4ADFB Bearing Engineered for Reliability?

71913 CD/P4ADFB Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure high strength and durability under dynamic radial loads up to 7470 lbf.

The matched arrangement of two bearings (DF) enhances stability, making it suitable for precision applications.
With a maximum speed of 31,000 rpm, it delivers smooth performance in high-speed operations.

Phenolic cage material reduces friction and wear, contributing to longer service life.
The P4A tolerance class guarantees exceptional precision and consistent performance.

Light preload (Class B) ensures minimal vibration and noise during operation.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Key Fields for 71913 CD/P4ADFB Bearing
In precision machine tools, 71913 CD/P4ADFB Bearing ensures smooth spindle rotation due to its angular contact design and P4A tolerance class. The matched arrangement of two bearings enhances stability for high-speed operations.

What Makes 71913 CD/P4ADFB Bearing a Preferred Choice?
For high-speed CNC machining, 71913 CD/P4ADFB Bearing’s phenolic cage reduces friction, while its chrome steel construction handles radial loads efficiently. The light preload also minimises vibration during operation.

Built for Heavy-Duty Use: 71913 CD/P4ADFB Bearing
In industrial robotics, 71913 CD/P4ADFB Bearing supports articulated arms with its 15° contact angle, ensuring precise movement under load. Its open design allows for easy relubrication in demanding environments.

Automotive vs Aerospace: Applications of 71913 CD/P4ADFB Bearing
In automotive transmissions, 71913 CD/P4ADFB Bearing handles angular loads with its paired DF arrangement. For aerospace applications, its P4A precision suits avionics systems requiring minimal runout.

Q&A

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