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Super Precision Angular Contact Ball Bearings 71814 CD/P4DFA

Super Precision Angular Contact Ball Bearings 71814 CD/P4DFA

The 71814 CD/P4DFA is a super precision angular contact ball bearing measuring 70mm by 90mm by 20mm, crafted from durable chrome steel. It handles radial loads up to 5062 lbf and operates smoothly at speeds up to 28,000 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings comes with extra light preload for precise alignment. Ideal for machine tools or spindles where accuracy is key.

Weighing just 0.27kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71814 CD/P4DFA
  • 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 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • 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 5062 lbf
  • Static Radial Load 7200 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 CD/P4DFA dimension drawing
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Features

Performance Features of 71814 CD/P4DFA Bearing

71814 CD/P4DFA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 5062 lbf, it handles demanding conditions reliably.
Its extra light preload (Class A) reduces friction, contributing to efficient performance.

The matched arrangement of two bearings (DF) provides stability in precision tasks.
A maximum speed of 28,000 rpm makes it suitable for high-speed applications.

Operating between -30°C to 110°C, 71814 CD/P4DFA Bearing performs well in varied environments.
Its P4 tolerance class ensures precision, making it ideal for critical machinery.

Application

Essential Roles of 71814 CD/P4DFA Bearing
71814 CD/P4DFA Bearing is widely 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 applications.

In automotive systems, 71814 CD/P4DFA Bearing supports components like electric motors and gearboxes, thanks to its extra light preload and smooth operation. Its phenolic cage reduces friction, making it suitable for high-speed scenarios.

For medical imaging devices, 71814 CD/P4DFA Bearing’s chrome steel construction offers reliable performance in critical environments. The P4 tolerance class ensures minimal vibration, which is vital for sensitive equipment.

Automation systems benefit from 71814 CD/P4DFA Bearing’s ability to handle combined loads in robotic arms. Its open design allows for easy lubrication, extending service life in continuous operation.

In consumer electronics, 71814 CD/P4DFA Bearing is found in high-end printers, where its precision and quiet operation enhance performance. The metric sizing ensures compatibility with various European and Asian models.

Q&A

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