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Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4ADGC

Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4ADGC

The 71918 ACD/HCP4ADGC is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 16380 lbf and can reach speeds of 15000 RPM, making it suitable for demanding environments. Its phenolic cage ensures stability and reduces friction during high-speed rotation.

The universal matching design allows for flexible arrangements like back-to-back or face-to-face, ideal for precision machinery. It comes pre-lubricated and works in temperatures from -30°C to 110°C.

Weighing 0.94kg, this bearing is part of a matched set, ensuring consistent performance. Perfect for applications like spindles or high-precision tools where accuracy and speed are crucial.

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Product Parameters

  • Part Number 71918 ACD/HCP4ADGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 16380 lbf
  • Static Radial Load 21712 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.94 kg
Super Precision Angular Contact Ball Bearings 71918 ACD/HCP4ADGC dimension drawing
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Features

Performance Features of 71918 ACD/HCP4ADGC Bearing

71918 ACD/HCP4ADGC Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, making it suitable for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 15,000 rpm.
With a dynamic radial load capacity of 16,380 lbf, it handles demanding conditions reliably.

Universal matching allows flexible arrangement options, including back-to-back or face-to-face configurations.
The P4A tolerance class guarantees consistent precision in high-speed operations.

Application

Key Fields for 71918 ACD/HCP4ADGC Bearing
71918 ACD/HCP4ADGC Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for high-speed operations.

In aerospace applications, 71918 ACD/HCP4ADGC Bearing handles both radial and axial loads in components like landing gear systems. Its phenolic cage offers lightweight durability, crucial for flight performance.

For robotics, 71918 ACD/HCP4ADGC Bearing provides smooth motion in articulated arms, thanks to its universal matching feature. The moderate preload ensures consistent performance in repetitive tasks.

Medical imaging devices benefit from 71918 ACD/HCP4ADGC Bearing’s precision, as it maintains stability in rotating components. The P4A tolerance class guarantees reliability in sensitive environments.

In automotive testing equipment, 71918 ACD/HCP4ADGC Bearing supports high-speed dynamometers, where its chrome steel rings withstand rigorous use. The open design allows for easy lubrication, extending service life.

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