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Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBB

The 71924 CD/P4ADBB is a super precision angular contact ball bearing measuring 120mm by 165mm by 44mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 28125 lbf and operates smoothly at speeds up to 10000 RPM. Its phenolic cage ensures quiet running and long service life, even in temperatures from -30°C to 110°C.

The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. The matched pair arrangement (DB) with light preload ensures stable operation under angular loads.

Ideal for high-precision applications like machine tool spindles or precision gearboxes. Weighing 2.3kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71924 CD/P4ADBB
  • 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 44 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 28125 lbf
  • Static Radial Load 41175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 2.3 kg
Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBB dimension drawing
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Features

Performance Features of 71924 CD/P4ADBB Bearing

71924 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

The matched arrangement of two bearings provides stability, ideal for angular contact load scenarios.
With a dynamic radial load capacity of 28,125 lbf, it handles demanding conditions reliably.

71924 CD/P4ADBB Bearing operates efficiently at speeds up to 10,000 rpm, balancing performance and longevity.
Its P4A tolerance class guarantees high precision, making it suitable for critical machinery.

The open seal design allows for easy lubrication, maintaining optimal performance over time.
Weighing 2.3 kg, it offers a robust yet manageable solution for industrial applications.

Application

Industrial Uses of 71924 CD/P4ADBB Bearing
71924 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in heavy cutting operations.

In automotive applications, 71924 CD/P4ADBB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth performance under demanding conditions.

For robotics, 71924 CD/P4ADBB Bearing’s P4A tolerance class makes it ideal for articulated arms requiring minimal vibration. The chrome steel construction offers durability in continuous operation.

Where Is 71924 CD/P4ADBB Bearing Used?
You’ll find 71924 CD/P4ADBB Bearing in aerospace equipment, such as helicopter rotor systems, where precision and reliability are critical. Its open design allows for efficient lubrication in high-speed environments.

In medical imaging devices, 71924 CD/P4ADBB Bearing ensures smooth movement of rotating components. The phenolic cage reduces friction, making it suitable for sensitive applications.

Built for Heavy-Duty Use: 71924 CD/P4ADBB Bearing
71924 CD/P4ADBB Bearing handles heavy radial loads in industrial pumps and compressors. Its 15° contact angle optimises load distribution for longer service life.

The bearing’s metric dimensions make it a versatile choice for European machinery. With a max speed of 10,000 rpm, it performs well in high-speed scenarios.

Automotive vs Aerospace: Applications of 71924 CD/P4ADBB Bearing
In automotive systems, 71924 CD/P4ADBB Bearing is often used in electric vehicle motors due to its low friction. The aerospace industry relies on it for landing gear mechanisms.

Both sectors benefit from the bearing’s temperature range and P4A precision. Its phenolic cage ensures consistent performance across different environments.

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