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Super Precision Angular Contact Ball Bearings 71924 CB/P4A

Super Precision Angular Contact Ball Bearings 71924 CB/P4A

The 71924 CB/P4A 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 6075 lbf and operates smoothly at speeds up to 16,000 RPM.

With a 15° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing is available in matched sets and interchangeable with SKF models, making it versatile for precision applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing 1.27kg, it’s robust yet compact for its size. Compliant with P4 tolerance class (ABEC-7), it delivers reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71924 CB/P4A
  • 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 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6075 lbf
  • Static Radial Load 6862 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.27 kg
  • Price（$） 1514.466
Super Precision Angular Contact Ball Bearings 71924 CB/P4A dimension drawing
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Features

Performance Features of 71924 CB/P4A Bearing

71924 CB/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 6075 lbf, it excels in demanding applications.

71924 CB/P4A Bearing operates smoothly at speeds up to 16,000 rpm, thanks to its precision engineering.
Its temperature range of -30° to 110°C ensures reliability in various environments.

The P4 tolerance class guarantees exceptional accuracy, making it ideal for high-precision tasks.
Lubrication is optimised for long service life, reducing maintenance needs.

Application

Common Applications of 71924 CB/P4A Bearing
In machine tools, 71924 CB/P4A Bearing ensures smooth spindle rotation due to its 15° contact angle and P4 precision class. The phenolic cage reduces friction, making it ideal for high-speed milling operations.

Where Is 71924 CB/P4A Bearing Used?
You’ll often find 71924 CB/P4A Bearing in automotive transmissions, where its angular contact design handles combined loads efficiently. Its metric sizing fits seamlessly into European and Asian vehicle designs.

Built for Heavy-Duty Use: 71924 CB/P4A Bearing
This bearing excels in robotics, particularly in articulated arms requiring precise movement. The chrome steel construction ensures durability even in continuous operation.

Medical vs Industrial: Where 71924 CB/P4A Bearing Excels
In medical imaging devices, 71924 CB/P4A Bearing provides quiet, vibration-free performance. For industrial pumps, its lubricated design extends service life under demanding conditions.

Automotive vs Aerospace: Applications of 71924 CB/P4A Bearing
In automotive wheel hubs, 71924 CB/P4A Bearing supports high radial loads. For aerospace actuators, its lightweight phenolic cage and P4 tolerance ensure reliability in critical systems.

Q&A

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