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Super Precision Angular Contact Ball Bearings 71924 CDGB/HCP4A

Super Precision Angular Contact Ball Bearings 71924 CDGB/HCP4A

The 71924 CDGB/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 angular loads.

This bearing handles dynamic radial loads up to 17550 lbf and spins efficiently at speeds up to 10000 RPM. The phenolic cage provides durability, while the P4A tolerance class guarantees precise performance.

Its open design allows easy lubrication, and it operates well in temperatures from -30°C to 110°C. Weighing 0.99kg, it’s robust yet manageable for its size.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number 71924 CDGB/HCP4A
  • 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 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.99 kg
Super Precision Angular Contact Ball Bearings 71924 CDGB/HCP4A dimension drawing
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Features

Performance Features of 71924 CDGB/HCP4A Bearing

71924 CDGB/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 17,550 lbf, it handles demanding conditions reliably.

Its phenolic cage ensures smooth operation at speeds up to 10,000 rpm.

How Is 71924 CDGB/HCP4A Bearing Engineered for Reliability?

71924 CDGB/HCP4A Bearing features precision-ground components with tight tolerances for consistent performance.

The ceramic balls and chrome steel rings resist wear, extending the bearing’s service life.

It operates efficiently within a temperature range of -30°C to 110°C.

Light preload (Class B) ensures stability in high-speed applications.

Built for Precision: 71924 CDGB/HCP4A Bearing

71924 CDGB/HCP4A Bearing meets P4A tolerance standards, ensuring exceptional accuracy.

Its open design allows for easy lubrication, maintaining optimal performance.

The bearing can be arranged in back-to-back, face-to-face, or tandem configurations.

With 28 ceramic balls, it offers smooth rotation and reduced vibration.

Steel vs Ceramic Bearings: Strengths of 71924 CDGB/HCP4A Bearing

71924 CDGB/HCP4A Bearing combines chrome steel rings with ceramic balls for superior performance.

This hybrid design reduces weight and friction compared to all-steel bearings.

It handles high speeds up to 10,000 rpm while maintaining precision.

The phenolic cage provides excellent heat resistance and durability.

Application

Industrial Uses of 71924 CDGB/HCP4A Bearing
71924 CDGB/HCP4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load distribution. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

Where Is 71924 CDGB/HCP4A Bearing Used?
You’ll find 71924 CDGB/HCP4A Bearing in automotive transmissions, where its light preload and phenolic cage enhance performance under varying loads. Its metric sizing ensures compatibility with many European and Asian vehicle designs.

Ideal for Precision: 71924 CDGB/HCP4A Bearing
71924 CDGB/HCP4A Bearing works well in medical imaging devices, thanks to its P4A tolerance class and chrome steel rings. The open design allows for easy lubrication, extending its lifespan in demanding environments.

Automotive vs Aerospace: Applications of 71924 CDGB/HCP4A Bearing
In automotive systems, 71924 CDGB/HCP4A Bearing handles high-speed rotations in gearboxes. For aerospace, its ceramic balls and phenolic cage provide reliability in avionics equipment, where weight and precision matter.

Practical Applications of 71924 CDGB/HCP4A Bearing
71924 CDGB/HCP4A Bearing fits well in robotics, particularly in articulated arms requiring smooth motion. Its universal matching feature allows for flexible configurations in back-to-back or face-to-face setups.

Q&A

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