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Super Precision Angular Contact Ball Bearings 71815 CD/P4DFA

Super Precision Angular Contact Ball Bearings 71815 CD/P4DFA

The 71815 CD/P4DFA is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.

Designed for angular contact loads, it handles dynamic radial loads up to 5152 lbf and spins smoothly at speeds up to 22000 RPM. The phenolic cage ensures durability, while the open design allows easy lubrication.

Its extra light preload (Class A) and P4 tolerance class ensure precise operation with minimal friction. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.28kg, 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 71815 CD/P4DFA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 33
  • 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 5152 lbf
  • Static Radial Load 7650 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.28 kg
Super Precision Angular Contact Ball Bearings 71815 CD/P4DFA dimension drawing
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Features

Why Choose 71815 CD/P4DFA Bearing for Precision Tasks?

71815 CD/P4DFA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 5152 lbf, it handles demanding tasks without compromising performance.
The extra-light preload (Class A) enhances precision, making it ideal for high-speed applications up to 22,000 rpm.

Its matched arrangement (DF) ensures stability, reducing vibration and improving accuracy.
The P4 tolerance class guarantees consistent performance in critical operations.

Application

Industrial Uses of 71815 CD/P4DFA Bearing
71815 CD/P4DFA 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 in demanding industrial environments.

In automotive applications, 71815 CD/P4DFA Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. The phenolic cage material reduces friction, enhancing performance in high-speed scenarios.

For medical imaging devices, 71815 CD/P4DFA Bearing’s P4 tolerance class guarantees smooth and precise movement. Its chrome steel construction ensures durability, even in continuous operation.

Automation systems benefit from 71815 CD/P4DFA Bearing’s low preload and high-speed capabilities, making it ideal for robotic arms. The open seal design allows for easy lubrication, extending service life.

In consumer electronics like high-end printers, 71815 CD/P4DFA Bearing’s compact size and precision contribute to reliable operation. The metric dimensions ensure compatibility with various international designs.

Q&A

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