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Super Precision Angular Contact Ball Bearings 71924 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71924 ACB/HCP4A

The 71924 ACB/HCP4A 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 ceramic balls for smooth operation.

This bearing handles radial loads up to 5738 lbf and reaches speeds of 17000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing 1.2kg, it offers a robust solution for demanding angular contact needs.

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Product Parameters

  • Part Number 71924 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 41
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5738 lbf
  • Static Radial Load 6412 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 1.2 kg
  • Price（$） 1514.466
Super Precision Angular Contact Ball Bearings 71924 ACB/HCP4A dimension drawing
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Features

Performance Features of 71924 ACB/HCP4A Bearing

71924 ACB/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.

The phenolic cage ensures smooth operation, even at high speeds up to 17,000 rpm.
With a dynamic radial load capacity of 5738 lbf, it handles demanding tasks efficiently.

71924 ACB/HCP4A Bearing operates in temperatures from -30° to 110°C, suitable for various environments.
Its P4 tolerance class guarantees high precision and reliability in performance.

The open design allows for easy lubrication, maintaining optimal performance over time.
This bearing is ideal for applications requiring both speed and precision.

Application

Industrial Uses of 71924 ACB/HCP4A Bearing
71924 ACB/HCP4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for high-speed operations.

Key Fields for 71924 ACB/HCP4A Bearing
In robotics, 71924 ACB/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and P4 tolerance class. Its matched arrangement option also enhances performance in complex assemblies.

Where Is 71924 ACB/HCP4A Bearing Used?
You’ll find 71924 ACB/HCP4A Bearing in aerospace applications, such as helicopter rotor systems, where its lightweight design and high-speed capability are crucial. The open seal type allows for easy lubrication in demanding conditions.

Built for Heavy-Duty Use: 71924 ACB/HCP4A Bearing
71924 ACB/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. Its chrome steel rings and ceramic balls offer a good balance of strength and low friction.

Medical vs Industrial: Where 71924 ACB/HCP4A Bearing Excels
While 71924 ACB/HCP4A Bearing is versatile enough for medical imaging devices, it truly shines in industrial gearboxes where precision and durability are key. The P4 tolerance ensures consistent performance under heavy loads.

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