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Super Precision Angular Contact Ball Bearings 71920 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71920 ACEGA/HCP4A

The 71920 ACEGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 8348 lbf.

With a maximum speed of 16,000 RPM, this bearing is designed for high-performance applications. The phenolic cage and open design allow for easy lubrication and maintenance, even in temperatures from -30°C to 110°C.

This bearing comes in a set of four, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Its P4A tolerance class guarantees precision, making it ideal for machine tools or high-speed spindles.

Weighing 0.65kg, it’s a robust yet lightweight choice for demanding environments. Interchangeable with SKF bearings, it offers a reliable solution for precision engineering needs.

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Product Parameters

  • Part Number 71920 ACEGA/HCP4A
  • 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 20 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 No
  • Number Of Bearings In Matched Set 4
  • 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 8348 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.65 kg
Super Precision Angular Contact Ball Bearings 71920 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 71920 ACEGA/HCP4A Bearing

71920 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 8348 lbf, it excels in demanding applications.

71920 ACEGA/HCP4A Bearing operates smoothly at speeds up to 16,000 rpm, thanks to its advanced design.
The extra light preload ensures minimal vibration and noise during operation.

Its temperature range of -30°C to 110°C makes it suitable for various environments.
The P4A tolerance class guarantees consistent precision and reliability.

The open seal design allows for easy lubrication, extending the bearing’s service life.
Its universal matching capability enables flexible configurations for different setups.

Application

Industrial Uses of 71920 ACEGA/HCP4A Bearing
71920 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC operations.

Where Is 71920 ACEGA/HCP4A Bearing Used?
You’ll often find 71920 ACEGA/HCP4A Bearing in aerospace applications, such as turbine shafts, due to its ability to handle both radial and axial loads. Its lightweight design and high-speed capability make it a reliable choice for demanding environments.

Built for Heavy-Duty Use: 71920 ACEGA/HCP4A Bearing
71920 ACEGA/HCP4A Bearing excels in robotics, particularly in robotic arms requiring smooth, precise movement. The extra-light preload reduces vibration, enhancing performance in automated assembly lines.

Automotive vs Aerospace: Applications of 71920 ACEGA/HCP4A Bearing
In automotive systems, 71920 ACEGA/HCP4A Bearing supports high-performance gearboxes, while in aerospace, it’s trusted for flight control mechanisms. Its chrome steel rings and ceramic balls ensure durability in both fields.

Perfect Fit for Automation: 71920 ACEGA/HCP4A Bearing
71920 ACEGA/HCP4A Bearing is ideal for 3D printers, where its low friction and high precision contribute to consistent print quality. The open design allows for easy lubrication, extending service life in continuous operation.

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