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Super Precision Angular Contact Ball Bearings 71924 CD/P4A

Super Precision Angular Contact Ball Bearings 71924 CD/P4A

The 71924 CD/P4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 17550 lbf and operates smoothly at speeds up to 12000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing works reliably in temperatures ranging from -30°C to 110°C.

With a P4 tolerance class, it offers excellent precision for demanding applications. Ideal for use in machine tools or high-speed spindles where accuracy is crucial.

Weighing 1.15kg, it’s a robust yet manageable size. This model is interchangeable with SKF bearings, making it a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71924 CD/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 14.288 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17550 lbf
  • Static Radial Load 20588 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 1.15 kg
  • Price（$） 1514.25
Super Precision Angular Contact Ball Bearings 71924 CD/P4A dimension drawing
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Features

Why Choose 71924 CD/P4A Bearing for Precision Tasks?

71924 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under heavy radial loads.

With a dynamic radial load capacity of 17,550 lbf, it handles demanding tasks reliably.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

Designed for speeds up to 12,000 rpm, it balances precision and efficiency.
Its P4 tolerance class (ABEC-7) guarantees exceptional accuracy for critical applications.

Application

Industrial Uses of 71924 CD/P4A Bearing
71924 CD/P4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations up to 12,000 rpm.

Where Is 71924 CD/P4A Bearing Used?
In automotive applications, 71924 CD/P4A Bearing supports components like wheel hubs and transmissions, thanks to its chrome steel construction and P4 tolerance class. Its durability and precision make it a reliable choice for demanding environments.

Built for Heavy-Duty Use: 71924 CD/P4A Bearing
For automation systems, 71924 CD/P4A Bearing excels in robotic arms and CNC machines, where consistent performance is key. The lubricated design reduces friction, extending the bearing’s lifespan in continuous operation.

Medical vs Industrial: Where 71924 CD/P4A Bearing Excels
In medical imaging devices, 71924 CD/P4A Bearing provides smooth, quiet operation crucial for precision diagnostics. Its high static radial load capacity also makes it ideal for industrial equipment like grinders and spindles.

Essential Roles of 71924 CD/P4A Bearing
71924 CD/P4A Bearing is a go-to for aerospace applications, where its lightweight phenolic cage and high-speed capabilities are valued. The metric sizing ensures compatibility with a wide range of international machinery standards.

Q&A

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