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Super Precision Angular Contact Ball Bearings 71924 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71924 ACDGB/P4A

The 71924 ACDGB/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 16380 lbf and operates smoothly at speeds up to 10000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for precision applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-speed machinery like spindles or CNC equipment, where accuracy is crucial. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing 1.15kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71924 ACDGB/P4A
  • 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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 16380 lbf
  • Static Radial Load 19462 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.15 kg
  • Price（$） 524.223
Super Precision Angular Contact Ball Bearings 71924 ACDGB/P4A dimension drawing
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Features

Performance Features of 71924 ACDGB/P4A Bearing

71924 ACDGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

With a dynamic radial load capacity of 16380 lbf, it performs reliably in demanding conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.

71924 ACDGB/P4A Bearing operates efficiently at speeds up to 10,000 rpm.
Its precision P4A tolerance class ensures consistent performance in high-accuracy applications.

The open design allows for easy lubrication, extending the bearing’s service life.
It is suitable for temperatures ranging from -30°C to 110°C, adapting to various environments.

Application

Industrial Uses of 71924 ACDGB/P4A Bearing
71924 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle helps manage combined radial and axial loads effectively. The phenolic cage ensures smooth operation at high speeds, making it suitable for spindle applications.

Where Is 71924 ACDGB/P4A Bearing Used?
In automotive applications, 71924 ACDGB/P4A Bearing can be found in gearbox systems, providing reliable performance under angular contact loads. Its P4A tolerance class ensures minimal vibration, which is crucial for smooth gear shifting.

Built for Heavy-Duty Use: 71924 ACDGB/P4A Bearing
For automation equipment, 71924 ACDGB/P4A Bearing supports robotic arms and CNC machines, where precision and durability are key. The chrome steel construction offers excellent wear resistance, even in demanding environments.

Medical vs Industrial: Where 71924 ACDGB/P4A Bearing Excels
In medical imaging devices, 71924 ACDGB/P4A Bearing’s high-speed capability and low friction are essential for accurate diagnostics. Meanwhile, in industrial settings, its light preload ensures consistent performance in precision machinery.

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