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Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71924 CD/P4ADBC

The 71924 CD/P4ADBC is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and matched pair design (DB arrangement) provide stable performance under radial and axial loads.

This bearing handles dynamic radial loads up to 28125 lbf and spins smoothly at 10000 RPM. The phenolic cage ensures quiet operation, while the P4A tolerance class guarantees high precision for demanding applications.

Its open design allows easy relubrication, and it operates reliably in temperatures from -30°C to 110°C. The moderate preload (Class C) offers balanced stiffness without excessive friction.

Ideal for precision machinery like spindles or CNC equipment where accuracy is crucial. Weighing 2.3kg, this SKF-interchangeable bearing comes as a matched pair for immediate installation.

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Product Parameters

  • Part Number 71924 CD/P4ADBC
  • 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 Moderate / Class C
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 71924 CD/P4ADBC Bearing

71924 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 28,125 lbf, 71924 CD/P4ADBC Bearing handles demanding conditions reliably.
The matched arrangement of two bearings provides stability, making it suitable for precision tasks.

71924 CD/P4ADBC Bearing operates smoothly at speeds up to 10,000 rpm, balancing performance and longevity.
Its moderate preload (Class C) ensures consistent operation without excessive stress on components.

The open design allows for easy lubrication, maintaining optimal performance over time.
71924 CD/P4ADBC Bearing works efficiently in temperatures ranging from -30°C to 110°C.

Application

Industrial Uses of 71924 CD/P4ADBC Bearing
71924 CD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control over radial and axial loads.

Where Is 71924 CD/P4ADBC Bearing Used?
In automotive systems, 71924 CD/P4ADBC Bearing supports high-speed components like turbochargers and transmission shafts. Its chrome steel construction and phenolic cage provide durability and stability under demanding conditions.

Built for Heavy-Duty Use: 71924 CD/P4ADBC Bearing
For robotics and automation, 71924 CD/P4ADBC Bearing offers reliable performance in robotic arms and CNC machines. The matched bearing arrangement enhances load distribution, ensuring smooth operation in repetitive tasks.

Medical vs Industrial: Where 71924 CD/P4ADBC Bearing Excels
In medical imaging devices, 71924 CD/P4ADBC Bearing’s precision and low friction are crucial for consistent performance. Industrial applications like pumps and compressors also benefit from its ability to handle combined loads efficiently.

Practical Applications of 71924 CD/P4ADBC Bearing
71924 CD/P4ADBC Bearing is ideal for aerospace applications, such as helicopter rotor systems, where its high-speed capability and reliability are essential. The open design allows for easy lubrication, extending service life in harsh environments.

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