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Super Precision Angular Contact Ball Bearings 71924 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71924 CD/P4ADGA

The 71924 CD/P4ADGA 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 28125 lbf and operates smoothly at speeds up to 10000 RPM.

With a 15° contact angle and universal matching design, it offers excellent stability for angular loads. The phenolic cage ensures durability while keeping the bearing lightweight.

Its open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C. The bearing comes in a matched set of two, suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for high-precision applications like machine tool spindles or aerospace components, where accuracy and smooth operation are essential. Weighing 2.3kg, it balances strength and precision for demanding environments.

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Product Parameters

  • Part Number 71924 CD/P4ADGA
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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
  • Price（$） 148.446
Super Precision Angular Contact Ball Bearings 71924 CD/P4ADGA dimension drawing
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Features

Performance Features of 71924 CD/P4ADGA Bearing

71924 CD/P4ADGA Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 28,125 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 10,000 rpm, it delivers reliable performance in high-speed scenarios.

71924 CD/P4ADGA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching design allows flexible arrangement options, including back-to-back or face-to-face configurations.

The extra-light preload (Class A) ensures precision, making it ideal for demanding applications.
Lubrication is pre-applied, simplifying initial setup and reducing maintenance needs.

Application

Industrial Uses of 71924 CD/P4ADGA Bearing
The 71924 CD/P4ADGA Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. Its universal matching design allows flexible arrangements, making it suitable for complex spindle systems.

In aerospace applications, 71924 CD/P4ADGA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The phenolic cage reduces friction, enhancing performance in high-speed scenarios.

For automation equipment, 71924 CD/P4ADGA Bearing excels in robotic arms and CNC machines, where its chrome steel construction ensures long-term reliability. The open seal design simplifies lubrication, ideal for continuous operation environments.

Medical imaging devices benefit from 71924 CD/P4ADGA Bearing’s precision, particularly in MRI scanners where smooth rotation is essential. The matched set configuration ensures consistent performance across paired bearings.

In electric motors, 71924 CD/P4ADGA Bearing handles angular loads efficiently, making it a reliable choice for industrial drives. Its 10,000 rpm max speed suits demanding applications without compromising durability.

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