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Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBA

The 71924 ACD/P4ADBA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 26775 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched DB arrangement ensure stability under angular loads, while the phenolic cage reduces friction for quieter performance. The bearing is preloaded for extra light operation, ideal for precision applications.

Designed for temperatures from -30°C to 110°C, it’s lubricated for long-term reliability. The open seal allows easy maintenance, and its P4A tolerance class guarantees exceptional accuracy.

Perfect for high-speed machinery like spindles or CNC equipment where precision and durability are key. Weighing 2.3kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for hassle-free replacements.

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Product Parameters

  • Part Number 71924 ACD/P4ADBA
  • 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 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
Super Precision Angular Contact Ball Bearings 71924 ACD/P4ADBA dimension drawing
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Features

Performance Features of 71924 ACD/P4ADBA Bearing

71924 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising performance in angular contact applications.
The chrome steel rings and balls provide strong resistance to radial and axial loads, ensuring durability.

With a dynamic radial load capacity of 26775 lbf, it handles demanding conditions reliably.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

71924 ACD/P4ADBA Bearing operates smoothly at speeds up to 16,250 rpm, balancing efficiency and precision.
Its extra light preload (Class A) ensures minimal vibration for high-precision tasks.

The matched arrangement of two bearings (DB) enhances stability in complex load scenarios.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Ideal for Precision: 71924 ACD/P4ADBA Bearing
71924 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched arrangement of two bearings enhances stability in demanding operations.

In aerospace applications, 71924 ACD/P4ADBA Bearing supports components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The phenolic cage reduces friction, making it suitable for high-speed environments.

For automation systems, 71924 ACD/P4ADBA Bearing excels in robotic arms and CNC machines, where consistent performance is key. Its chrome steel construction provides durability, while the open design allows for easy lubrication.

Medical imaging devices benefit from 71924 ACD/P4ADBA Bearing’s precision and reliability. The low-temperature tolerance ensures smooth operation in sensitive equipment, making it a trusted choice for diagnostic tools.

Q&A

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