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Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADGA

The 71920 ACE/HCP4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 13612 lbf and spins at speeds up to 15000 RPM. Its extra light preload ensures minimal friction, while the phenolic cage offers reliable performance.

The open design allows easy lubrication, and it works in temperatures from -30°C to 110°C. Universal matching makes it versatile for back-to-back, face-to-face, or tandem arrangements.

Ideal for high-precision applications like machine tools or spindles where accuracy is crucial. Weighing 1.3kg, it comes as a matched set of two bearings for balanced performance.

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Product Parameters

  • Part Number 71920 ACE/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 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 13612 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.3 kg
Super Precision Angular Contact Ball Bearings 71920 ACE/HCP4ADGA dimension drawing
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Features

Performance Features of 71920 ACE/HCP4ADGA Bearing

71920 ACE/HCP4ADGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

The chrome steel rings and ceramic balls reduce friction, enhancing speed and efficiency.

With a dynamic radial load capacity of 13612 lbf, it performs reliably in high-demand applications.

The phenolic cage ensures smooth operation, even at speeds up to 15,000 rpm.

Application

Industrial Uses of 71920 ACE/HCP4ADGA Bearing
71920 ACE/HCP4ADGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls and phenolic cage reduce friction, making it suitable for high-speed operations.

In automotive applications, 71920 ACE/HCP4ADGA Bearing supports components like wheel hubs and transmissions, where its extra-light preload enhances performance. The universal matching design allows for flexible installation in various configurations.

For robotics, 71920 ACE/HCP4ADGA Bearing’s P4A tolerance class ensures smooth movement in robotic arms and automated systems. Its chrome steel rings provide durability, even in demanding industrial environments.

Medical imaging devices benefit from 71920 ACE/HCP4ADGA Bearing’s low friction and high-speed capabilities. The lubricated design ensures quiet operation, crucial for sensitive diagnostic equipment.

In consumer electronics, 71920 ACE/HCP4ADGA Bearing is found in precision devices like 3D printers, where its consistent performance ensures reliable operation. The metric sizing makes it compatible with a wide range of equipment.

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