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Super Precision Angular Contact Ball Bearings 71914 ACD/P4ADFB

Super Precision Angular Contact Ball Bearings 71914 ACD/P4ADFB

The 71914 ACD/P4ADFB is a super precision angular contact ball bearing measuring 70mm by 100mm by 32mm, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of two bearings arranged back-to-back (DF).

This bearing handles radial loads up to 11858 lbf and spins smoothly at speeds up to 28000 RPM. Its phenolic cage ensures quiet operation and long service life, while the light preload (Class B) enhances stability.

The open design allows for easy lubrication, making maintenance straightforward. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or high-speed robotics, where accuracy and reliability are crucial. Weighing 0.66kg, it’s a robust yet manageable choice for demanding setups. Compliant with P4A tolerance standards for exceptional performance.

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Product Parameters

  • Part Number 71914 ACD/P4ADFB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 24
  • Contact Angle 25°
  • 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 11858 lbf
  • Static Radial Load 14400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.66 kg
Super Precision Angular Contact Ball Bearings 71914 ACD/P4ADFB dimension drawing
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Features

Performance Features of 71914 ACD/P4ADFB Bearing

71914 ACD/P4ADFB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 11858 lbf, it handles demanding conditions reliably.

71914 ACD/P4ADFB Bearing operates efficiently at speeds up to 28,000 rpm, balancing speed and precision.
Its matched arrangement of two bearings provides stability, ideal for high-precision tasks.

The light preload (Class B) ensures minimal vibration, enhancing operational accuracy.
Its temperature range of -30°C to 110°C makes it suitable for varied environments.

Application

How Does 71914 ACD/P4ADFB Bearing Improve Performance?
71914 ACD/P4ADFB Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched DF arrangement enhances stability, making it ideal for demanding industrial environments.

In robotics, 71914 ACD/P4ADFB Bearing supports articulated arms and joints, thanks to its light preload and phenolic cage reducing friction. Its high-speed capability (up to 28,000 rpm) keeps operations smooth and efficient.

For aerospace applications, 71914 ACD/P4ADFB Bearing’s P4A tolerance class guarantees reliability in navigation systems and actuators. The chrome steel construction withstands extreme conditions while maintaining precision.

Automotive vs Aerospace: Applications of 71914 ACD/P4ADFB Bearing
In automotive systems, 71914 ACD/P4ADFB Bearing is often found in high-performance gearboxes, where its angular contact design manages combined loads effectively. The metric sizing ensures compatibility with European and Asian vehicle standards.

Aerospace relies on 71914 ACD/P4ADFB Bearing for flight control mechanisms, where its tight tolerances and durability are critical. The lubricated design ensures consistent performance even under varying temperatures.

Built for Heavy-Duty Use: 71914 ACD/P4ADFB Bearing
71914 ACD/P4ADFB Bearing excels in industrial pumps and compressors, handling both radial and thrust loads with ease. Its phenolic cage reduces wear, extending service life in harsh conditions.

The bearing’s high dynamic radial load capacity (11,858 lbf) makes it suitable for wind turbine yaw systems. Open design allows for easy relubrication, ensuring minimal downtime.

Q&A

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