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Super Precision Angular Contact Ball Bearings 71920 FE/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71920 FE/HCP4ADGA

The 71920 FE/HCP4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, designed for high-speed applications. It features an 18° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 14040 lbf and spins at speeds up to 16000 RPM, thanks to its phenolic cage and extra-light preload. Its open design allows for easy lubrication, ensuring long-lasting performance.

The universal matching design lets you arrange bearings back-to-back, face-to-face, or tandem, making it versatile for various setups. Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are key.

Weighing 1.3kg, it operates smoothly in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a reliable choice for demanding applications.

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Product Parameters

  • Part Number 71920 FE/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • Contact Angle 18°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 14040 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.3 kg
Super Precision Angular Contact Ball Bearings 71920 FE/HCP4ADGA dimension drawing
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Features

Performance Features of 71920 FE/HCP4ADGA Bearing

71920 FE/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
The 18° contact angle ensures efficient load distribution, making it ideal for angular contact applications.

Its phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 14040 lbf, it handles demanding conditions with ease.

The bearing operates smoothly at speeds up to 16,000 rpm, thanks to its extra light preload design.
Its universal matching feature allows flexible arrangement options for various setups.

71920 FE/HCP4ADGA Bearing works reliably in temperatures from -30°C to 110°C.
The open seal type and lubrication ensure consistent performance with minimal maintenance.

Application

Common Applications of 71920 FE/HCP4ADGA Bearing
71920 FE/HCP4ADGA Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and universal matching make it adaptable for various configurations.

In robotics, 71920 FE/HCP4ADGA Bearing ensures accurate movement in joints and arms, thanks to its angular contact design. The phenolic cage adds durability, even in continuous operation.

For aerospace components, 71920 FE/HCP4ADGA Bearing handles radial and axial loads efficiently, making it suitable for actuators and control systems. Its P4A tolerance class guarantees consistent performance under demanding conditions.

Medical imaging devices benefit from 71920 FE/HCP4ADGA Bearing’s low vibration and high-speed capabilities. The ceramic balls and chrome steel rings provide long-lasting reliability in critical applications.

Q&A

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