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Super Precision Angular Contact Ball Bearings 71924 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71924 CD/HCP4A

The 71924 CD/HCP4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 17550 lbf.

With a maximum speed of 14000 RPM, this bearing is designed for high-performance applications. The phenolic cage adds durability while keeping the weight light at just 0.99kg.

The open design allows for easy lubrication, and it can handle temperatures from -30°C to 110°C. Its P4 tolerance class ensures exceptional accuracy for demanding tasks.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. The matched arrangement option provides flexibility for complex setups.

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Product Parameters

  • Part Number 71924 CD/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 14.288 mm
  • Ball Qty 28
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 17550 lbf
  • Static Radial Load 20588 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.99 kg
  • Price（$） 1514.223
Super Precision Angular Contact Ball Bearings 71924 CD/HCP4A dimension drawing
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Features

Performance Features of 71924 CD/HCP4A Bearing

71924 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage in 71924 CD/HCP4A Bearing ensures smooth operation at high speeds, up to 14,000 rpm.
With a dynamic radial load capacity of 17,550 lbf, it handles demanding conditions reliably.

71924 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class guarantees consistent performance in high-accuracy applications.

The open design of 71924 CD/HCP4A Bearing allows for easy lubrication, maintaining optimal performance.
Its matched arrangement option provides flexibility for various installation requirements.

Application

Common Applications of 71924 CD/HCP4A Bearing
71924 CD/HCP4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In robotics, 71924 CD/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and matched arrangement options. Its P4 tolerance class guarantees consistent performance in automated systems.

For aerospace components, 71924 CD/HCP4A Bearing’s chrome steel rings and ceramic balls withstand extreme conditions while maintaining precision. The open design allows for custom lubrication, extending service life in demanding environments.

Where Is 71924 CD/HCP4A Bearing Used?
You’ll often find 71924 CD/HCP4A Bearing in medical imaging devices, where its low vibration and high-speed capabilities are essential. The phenolic cage ensures quiet operation, crucial for sensitive diagnostic equipment.

In industrial pumps, 71924 CD/HCP4A Bearing handles both radial and thrust loads efficiently. Its ceramic balls resist wear, making it a reliable choice for continuous operation.

Built for Heavy-Duty Use: 71924 CD/HCP4A Bearing
71924 CD/HCP4A Bearing excels in wind turbine gearboxes, where its dynamic load capacity and temperature range ensure durability. The matched arrangement option simplifies installation in large-scale machinery.

For CNC machining centres, 71924 CD/HCP4A Bearing’s precision reduces tool deflection, improving surface finish. Its high-speed rating makes it ideal for modern manufacturing processes.

Automotive vs Aerospace: Applications of 71924 CD/HCP4A Bearing
In automotive testing rigs, 71924 CD/HCP4A Bearing provides precise load measurement with minimal friction. The ceramic balls help maintain accuracy over long testing periods.

Aerospace actuators benefit from 71924 CD/HCP4A Bearing’s lightweight construction and high-speed performance. Its P4 tolerance ensures reliability in critical flight control systems.

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