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Super Precision Angular Contact Ball Bearings 71814 ACD/P4DBA

Super Precision Angular Contact Ball Bearings 71814 ACD/P4DBA

The 71814 ACD/P4DBA is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 4770 lbf and spins smoothly at speeds up to 28,000 RPM. Its phenolic cage ensures quiet operation, while the open design allows for easy lubrication.

The extra light preload (Class A) ensures minimal friction, making it ideal for high-precision applications. It operates reliably in temperatures from -30°C to 110°C.

Perfect for machine tools or spindle systems where accuracy is crucial. Weighing just 0.27kg, it’s lightweight yet robust. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71814 ACD/P4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 4770 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings 71814 ACD/P4DBA dimension drawing
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Features

Performance Features of 71814 ACD/P4DBA Bearing

71814 ACD/P4DBA 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.

The matched arrangement of two bearings in a DB configuration provides extra stability and precision.
With a maximum speed of 28,000 rpm, it delivers smooth performance in high-speed applications.

71814 ACD/P4DBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction and extended service life.

Application

Practical Applications of 71814 ACD/P4DBA Bearing
71814 ACD/P4DBA Bearing is commonly 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 industrial tasks.

In robotics, 71814 ACD/P4DBA Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage material helps reduce weight while maintaining strength in automated systems.

For medical imaging devices, 71814 ACD/P4DBA Bearing’s P4 tolerance class delivers the precision needed for consistent performance. The chrome steel construction also ensures durability in critical healthcare applications.

Automotive testing equipment often relies on 71814 ACD/P4DBA Bearing for its ability to handle high speeds and radial loads. The extra light preload makes it suitable for sensitive measurement tools.

In 3D printing, 71814 ACD/P4DBA Bearing contributes to precise nozzle positioning, thanks to its low tolerance and smooth operation. The open design allows for easy lubrication maintenance in prolonged use.

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