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Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGB

The 7219 ACD/P4ADGB is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 48600 lbf and operates smoothly at speeds up to 15000 RPM.

With a 25° contact angle and universal matching design, it offers excellent stability for paired arrangements like back-to-back or face-to-face setups. The phenolic cage ensures quiet operation and durability.

This bearing is preloaded for light Class B performance, making it ideal for high-precision machinery like spindles or CNC equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 5.4kg, this matched set of two bearings is interchangeable with SKF models, providing a versatile solution for demanding applications. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 7219 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 170 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 64 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 15
  • Contact Angle 25°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 48600 lbf
  • Static Radial Load 51300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 5.4 kg
Super Precision Angular Contact Ball Bearings 7219 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7219 ACD/P4ADGB Bearing

7219 ACD/P4ADGB Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, making it suitable for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 48,600 lbf, it handles demanding conditions with ease.

7219 ACD/P4ADGB Bearing operates smoothly at speeds up to 15,000 rpm, balancing speed and reliability.
Its universal matching design allows for flexible arrangements like back-to-back or face-to-face configurations.

The P4A tolerance class ensures superior precision, ideal for high-accuracy machinery.
Its temperature range of -30°C to 110°C makes it versatile for various environments.

Application

Industrial Uses of 7219 ACD/P4ADGB Bearing
The 7219 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements in complex machinery setups.

In automotive applications, 7219 ACD/P4ADGB Bearing supports high-speed components like electric motor shafts, thanks to its light preload and phenolic cage. Its chrome steel construction provides durability under demanding conditions.

For robotics, 7219 ACD/P4ADGB Bearing is ideal for articulated arms, offering smooth motion and reliability. The P4A tolerance class ensures consistent performance in automated systems.

Where Is 7219 ACD/P4ADGB Bearing Used?
You’ll find 7219 ACD/P4ADGB Bearing in medical imaging devices, where its precision and low friction are crucial. The open design allows for easy lubrication, extending service life.

In aerospace, 7219 ACD/P4ADGB Bearing handles high-speed rotations in turbine systems. Its temperature range of -30°C to 110°C makes it suitable for varied environments.

Built for Heavy-Duty Use: 7219 ACD/P4ADGB Bearing
The 7219 ACD/P4ADGB Bearing excels in industrial pumps, where its dynamic radial load capacity ensures long-term reliability. The phenolic cage reduces wear and noise.

For conveyor systems, 7219 ACD/P4ADGB Bearing’s universal matching feature simplifies installation. Its metric sizing fits seamlessly into European and Asian equipment designs.

Automotive vs Aerospace: Applications of 7219 ACD/P4ADGB Bearing
In cars, 7219 ACD/P4ADGB Bearing is often used in transmission systems, balancing speed and load. Its light preload enhances efficiency.

For aircraft, this bearing handles extreme speeds in landing gear mechanisms. The chrome steel balls and rings provide the necessary strength and precision.

Q&A

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