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Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGA

The 71918 CD/P4ADGA is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 17122 lbf and spins smoothly at speeds up to 15000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for high-precision setups. The phenolic cage ensures quiet operation and long service life.

This bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional accuracy for demanding applications.

Weighing 1.1kg, it’s a robust choice for machine tools or spindle assemblies where precision and reliability are key. The set includes two matched bearings for versatile installation options.

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Product Parameters

  • Part Number 71918 CD/P4ADGA
  • 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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17122 lbf
  • Static Radial Load 22950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.1 kg
  • Price（$） 492.165
Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGA dimension drawing
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Features

Performance Features of 71918 CD/P4ADGA Bearing

71918 CD/P4ADGA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 17122 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 15,000 rpm.
Universal matching allows flexible arrangements, including back-to-back or face-to-face configurations.

With a P4A tolerance class, 71918 CD/P4ADGA Bearing delivers precise performance in demanding conditions.
Its extra light preload reduces friction, extending service life while maintaining efficiency.

Application

Key Fields for 71918 CD/P4ADGA Bearing
71918 CD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71918 CD/P4ADGA Bearing supports high-speed components like turbochargers and transmission systems. Its extra light preload helps reduce friction, enhancing efficiency and longevity.

For medical imaging devices, 71918 CD/P4ADGA Bearing’s phenolic cage and chrome steel construction provide reliable performance in demanding environments. The P4A tolerance class ensures consistent precision for critical operations.

Automation systems benefit from 71918 CD/P4ADGA Bearing’s ability to handle both radial and axial loads in robotic arms. The lubricated design minimises maintenance needs, ideal for continuous operation.

In aerospace, 71918 CD/P4ADGA Bearing’s high-speed capability and temperature resistance make it a trusted choice for flight control systems. The matched set configuration ensures balanced performance under varying loads.

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