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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADGA

The 71924 ACD/P4ADGA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a universal matching set of two bearings.

This model handles dynamic radial loads up to 26775 lbf and operates smoothly at speeds up to 16250 RPM. Its phenolic cage ensures durability, while the open design allows for easy lubrication.

The bearing is designed for extra light preload (Class A) and works in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees high precision for demanding applications.

Ideal for machine tools or high-speed spindles where accuracy is crucial. Weighing 2.3kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71924 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • 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 26775 lbf
  • Static Radial Load 38925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.3 kg
  • Price（$） 148.446
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71924 ACD/P4ADGA Bearing

71924 ACD/P4ADGA Bearing is designed with a 25° contact angle, offering precise angular contact performance.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 26775 lbf, it handles demanding applications with ease.

71924 ACD/P4ADGA Bearing operates smoothly at speeds up to 16,250 rpm, maintaining reliability.
Its extra light preload (Class A) ensures minimal friction and optimal precision in high-speed scenarios.

The P4A tolerance class guarantees tight dimensional accuracy for critical applications.
Lubrication is pre-applied, simplifying initial setup and reducing maintenance needs.

Application

Industrial Uses of 71924 ACD/P4ADGA Bearing
71924 ACD/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 flexible arrangements, making it suitable for complex setups.

In automotive applications, 71924 ACD/P4ADGA Bearing supports high-speed components like turbochargers and gearboxes, thanks to its extra-light preload and P4A tolerance class. The phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics and automation, 71924 ACD/P4ADGA Bearing’s chrome steel construction provides durability in mechanical arms and CNC systems. Its high-speed capability (up to 16,250 rpm) ensures smooth operation in repetitive tasks.

Medical imaging devices benefit from 71924 ACD/P4ADGA Bearing’s precision and low vibration, crucial for maintaining clear scans. The open design simplifies lubrication, extending service life in critical environments.

In aerospace systems, 71924 ACD/P4ADGA Bearing handles angular loads in actuators and control mechanisms. Its temperature range (-30°C to 110°C) ensures reliability under varying operational conditions.

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