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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBB

The 71924 ACD/P4ADBB is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It measures 44mm in width and comes as a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 26775 lbf and operates smoothly at speeds up to 16250 RPM. Its 25° contact angle efficiently manages combined loads, making it versatile for demanding applications.

The open design allows easy lubrication, while the phenolic cage ensures quiet and stable operation. With a tight P4A tolerance class, it offers high precision for critical setups.

Ideal for machine tools or high-speed spindles where accuracy is key. It works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings for easy replacement. Weighing 2.3kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number 71924 ACD/P4ADBB
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • 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
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBB dimension drawing
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Features

Performance Features of 71924 ACD/P4ADBB Bearing

71924 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 26775 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 16,250 rpm.
With a light preload and P4A tolerance class, it delivers precision in demanding environments.

71924 ACD/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings provides stability, reducing vibration and wear.

The open seal design allows for easy lubrication, maintaining performance over time.
Weighing 2.3 kg, it balances strength and practicality for industrial use.

Application

Industrial Uses of 71924 ACD/P4ADBB Bearing
71924 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under heavy radial loads.

In aerospace applications, 71924 ACD/P4ADBB Bearing supports critical components like turbine shafts, thanks to its light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For robotics, 71924 ACD/P4ADBB Bearing offers smooth motion control in articulated arms, where precision and durability are key. Its chrome steel construction ensures long service life even in continuous operation.

What Makes 71924 ACD/P4ADBB Bearing a Preferred Choice?
71924 ACD/P4ADBB Bearing is favoured in medical imaging devices for its consistent performance and low noise. The open design allows for easy lubrication, maintaining efficiency over time.

In automation systems, 71924 ACD/P4ADBB Bearing ensures reliable operation in high-speed conveyor belts. Its P4A tolerance class guarantees the precision needed for seamless production lines.

Q&A

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