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Super Precision Angular Contact Ball Bearings 71924 ACD/HCP4ALDGA

Super Precision Angular Contact Ball Bearings 71924 ACD/HCP4ALDGA

The 71924 ACD/HCP4ALDGA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, measuring 44mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 26775 lbf and spins at speeds up to 16250 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability, while the universal matching design allows flexible arrangements like back-to-back or face-to-face.

Its extra light preload (Class A) ensures minimal friction, ideal for precision machinery. The open seal type allows easy lubrication, and it operates in temperatures from -30°C to 110°C.

Weighing 1.98kg, this bearing is robust yet efficient. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings. Perfect for CNC spindles or high-speed rotary tables where accuracy is key.

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Product Parameters

  • Part Number 71924 ACD/HCP4ALDGA
  • 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 Ceramic
  • 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 1.98 kg
Super Precision Angular Contact Ball Bearings 71924 ACD/HCP4ALDGA dimension drawing
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Features

Performance Features of 71924 ACD/HCP4ALDGA Bearing

71924 ACD/HCP4ALDGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching arrangement allows for flexible configurations like back-to-back or face-to-face mounting.

The ceramic balls and chrome steel rings ensure smooth operation at high speeds, up to 16,250 rpm.
Phenolic cage material reduces friction, enhancing the bearing’s efficiency and longevity.

With a dynamic radial load capacity of 26,775 lbf, 71924 ACD/HCP4ALDGA Bearing performs reliably under heavy loads.
Its extra light preload (Class A) ensures precision in demanding applications.

The bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design simplifies lubrication, maintaining optimal performance over time.

Application

Common Applications of 71924 ACD/HCP4ALDGA Bearing
71924 ACD/HCP4ALDGA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71924 ACD/HCP4ALDGA Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its universal matching feature allows flexible mounting configurations to suit various robotic designs.

For aerospace components, 71924 ACD/HCP4ALDGA Bearing’s phenolic cage and chrome steel rings offer durability in extreme conditions. The extra-light preload ensures minimal vibration, critical for avionics and flight control systems.

Where Is 71924 ACD/HCP4ALDGA Bearing Used?
71924 ACD/HCP4ALDGA Bearing can be found in medical imaging devices, where its high-speed capabilities and low heat generation are essential. The P4A tolerance class guarantees the precision needed for diagnostic accuracy.

In industrial automation, 71924 ACD/HCP4ALDGA Bearing enhances the performance of CNC machinery, handling both radial and axial loads efficiently. The lubricated design extends service life, reducing maintenance downtime.

Optimized for Performance: 71924 ACD/HCP4ALDGA Bearing
71924 ACD/HCP4ALDGA Bearing excels in electric vehicle motors, where its ceramic balls and phenolic cage minimise energy loss. The 25° contact angle balances load distribution for improved efficiency.

For 3D printers, 71924 ACD/HCP4ALDGA Bearing ensures precise linear motion, contributing to high-quality prints. Its lightweight construction and high-speed rating make it a reliable choice for additive manufacturing.

Automotive vs Aerospace: Applications of 71924 ACD/HCP4ALDGA Bearing
In automotive transmissions, 71924 ACD/HCP4ALDGA Bearing handles high thrust loads while maintaining smooth gear shifts. The metric sizing ensures compatibility with modern vehicle designs.

For aerospace actuators, 71924 ACD/HCP4ALDGA Bearing’s temperature resistance and low weight are crucial. The tandem mounting option provides additional load capacity for critical flight systems.

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