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Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADGA

The 71920 ACB/HCP4ADGA is a super precision angular contact ball bearing measuring 100mm×140mm×40mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 7470 lbf and reaches speeds of 15000 RPM, ideal for high-precision applications.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups. The phenolic cage ensures smooth operation, while the extra-light preload reduces friction.

This bearing comes lubricated and works in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees accuracy, making it suitable for machine tools or spindle drives.

Weighing 1.6kg, it’s part of a matched set of two bearings, offering versatility for demanding setups. Interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 71920 ACB/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 7.938 mm
  • Ball Qty 37
  • 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 7470 lbf
  • Static Radial Load 9562 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADGA dimension drawing
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Features

Performance Features of 71920 ACB/HCP4ADGA Bearing

71920 ACB/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 25° contact angle allows for efficient handling of combined radial and axial loads.

With a dynamic radial load capacity of 7470 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

Its universal matching design offers flexibility for back-to-back, face-to-face, or tandem arrangements.
The extra light preload ensures smooth operation, ideal for high-speed applications up to 15,000 rpm.

The open seal type and lubrication enhance performance in a wide temperature range from -30°C to 110°C.
This makes 71920 ACB/HCP4ADGA Bearing suitable for precision tasks requiring consistent accuracy.

Application

Key Fields for 71920 ACB/HCP4ADGA Bearing
71920 ACB/HCP4ADGA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, 71920 ACB/HCP4ADGA Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage offers good heat resistance, which is crucial in automated systems.

For aerospace components, 71920 ACB/HCP4ADGA Bearing’s universal matching design allows flexible mounting in tight spaces. The extra-light preload ensures minimal vibration, enhancing performance in critical flight systems.

Medical imaging devices benefit from 71920 ACB/HCP4ADGA Bearing’s P4A tolerance class, ensuring precise motion control. The lubricated design also reduces maintenance needs in sensitive environments.

Q&A

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