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Super Precision Angular Contact Ball Bearings 71920 ACE/P4ADGA

Super Precision Angular Contact Ball Bearings 71920 ACE/P4ADGA

The 71920 ACE/P4ADGA 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 comes in a universal matching set of two bearings.

Designed for high-speed operations up to 16,000 RPM, it handles radial loads up to 13,612 lbf. The phenolic cage ensures smooth performance, while the open design allows for easy lubrication.

Its extra light preload (Class A) and P4A tolerance class make it ideal for applications requiring high precision. The bearings can be arranged back-to-back, face-to-face, or tandem for versatile use.

Perfect for machine tools or precision equipment where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C and weighs 1.54kg. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71920 ACE/P4ADGA
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 13612 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.54 kg
Super Precision Angular Contact Ball Bearings 71920 ACE/P4ADGA dimension drawing
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Features

Performance Features of 71920 ACE/P4ADGA Bearing

71920 ACE/P4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 13612 lbf.

Its phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 16,000 rpm, it delivers reliable performance in high-speed scenarios.

Application

Key Fields for 71920 ACE/P4ADGA Bearing
71920 ACE/P4ADGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements in complex setups.

In robotics, 71920 ACE/P4ADGA Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage reduces friction, making it ideal for high-speed operations.

For aerospace applications, 71920 ACE/P4ADGA Bearing’s P4A tolerance class guarantees consistent performance in critical systems. The chrome steel construction also withstands demanding conditions.

Automotive testing equipment benefits from 71920 ACE/P4ADGA Bearing’s extra light preload, ensuring precise measurements. Its lubricated design further enhances longevity in continuous use.

Medical imaging devices rely on 71920 ACE/P4ADGA Bearing for quiet and stable operation. The open seal type allows for easy maintenance in sensitive environments.

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