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Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCC

The 71924 ACD/P4AQBCC is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 43875 lbf and operates smoothly at speeds up to 10000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This set includes four matched bearings (QBC arrangement), ideal for spindle or machine tool use. It performs reliably in temperatures from -30°C to 110°C.

Weighing 4.6kg, it’s a robust choice for demanding industrial environments. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71924 ACD/P4AQBCC
  • 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 88 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 43875 lbf
  • Static Radial Load 77625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 4.6 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/P4AQBCC dimension drawing
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Features

Engineered for Precision: 71924 ACD/P4AQBCC Bearing

71924 ACD/P4AQBCC Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel construction ensures durability and consistent performance in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 10,000 rpm, it delivers reliable efficiency for precision tasks.

71924 ACD/P4AQBCC Bearing’s P4A tolerance class guarantees tight dimensional control for critical applications.
Its moderate preload (Class C) ensures stable performance under varying load conditions.

Application

Industrial Uses of 71924 ACD/P4AQBCC Bearing
71924 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate performance. The phenolic cage material helps reduce friction, making it suitable for continuous operation.

Where Is 71924 ACD/P4AQBCC Bearing Used?
In automation systems, 71924 ACD/P4AQBCC Bearing supports robotic arms and CNC machines, thanks to its high dynamic radial load capacity. The P4A tolerance class ensures consistent precision in demanding applications.

Built for Heavy-Duty Use: 71924 ACD/P4AQBCC Bearing
71924 ACD/P4AQBCC Bearing excels in aerospace applications, such as helicopter gearboxes, where its chrome steel construction handles extreme loads. The matched arrangement of four bearings provides added stability for critical systems.

Automotive vs Aerospace: Applications of 71924 ACD/P4AQBCC Bearing
In automotive testing equipment, 71924 ACD/P4AQBCC Bearing offers reliable performance for high-speed dynamometers. For aerospace, its temperature range and lubrication make it ideal for turbine engine components.

Essential Roles of 71924 ACD/P4AQBCC Bearing
71924 ACD/P4AQBCC Bearing is a key component in medical imaging devices, where its precision and low vibration are crucial. The open seal type allows for easy maintenance in sterile environments.

Q&A

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