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Super Precision Angular Contact Ball Bearings 7219 CD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 7219 CD/HCP4ADBB

The 7219 CD/HCP4ADBB is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, measuring 64mm in width. Made from chrome steel with ceramic balls, it offers high durability and smooth operation.

With a 15° contact angle and light preload, it handles radial loads up to 50625 lbf and spins at speeds up to 15000 RPM. The phenolic cage ensures stability, while the open design allows for easy lubrication.

This matched set of two bearings in a back-to-back arrangement provides excellent rigidity. Ideal for high-precision applications like machine tool spindles or aerospace components.

Operating in temperatures from -30°C to 110°C, it meets P4A tolerance standards for exceptional accuracy. Weighing 4.41kg, it’s a robust choice for demanding environments.

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Product Parameters

  • Part Number 7219 CD/HCP4ADBB
  • 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 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 50625 lbf
  • Static Radial Load 54000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.41 kg
Super Precision Angular Contact Ball Bearings 7219 CD/HCP4ADBB dimension drawing
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Features

How Does 7219 CD/HCP4ADBB Bearing Achieve Super Precision?

7219 CD/HCP4ADBB Bearing features a 15° contact angle and ceramic balls, ensuring high precision in angular contact applications.
Its chrome steel rings and phenolic cage provide stability, even at speeds up to 15,000 rpm.

The matched arrangement of two bearings offers balanced load distribution, enhancing performance.
With a dynamic radial load capacity of 50,625 lbf, it handles demanding tasks with ease.

Light preload class B ensures smooth operation, reducing vibration and noise.
Its temperature range of -30°C to 110°C makes it suitable for various environments.

Application

Industrial Uses of 7219 CD/HCP4ADBB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

Where Is 7219 CD/HCP4ADBB Bearing Used?
You’ll find it in automotive applications like electric vehicle motors, where its light preload and matched arrangement enhance performance. The phenolic cage adds durability in demanding conditions.

Built for Heavy-Duty Use: 7219 CD/HCP4ADBB Bearing
It’s a reliable choice for industrial robots, handling both radial and axial loads with ease. The P4A tolerance class ensures consistent precision in automated systems.

Medical vs Industrial: Where 7219 CD/HCP4ADBB Bearing Excels
In medical imaging devices, its chrome steel rings provide stability, while in industrial pumps, the ceramic balls offer long-lasting performance. The open design allows for easy lubrication.

How Does 7219 CD/HCP4ADBB Bearing Support High-Speed Operations?
The combination of ceramic balls and phenolic cage minimises heat buildup, ideal for CNC machinery. Its metric sizing ensures compatibility with a wide range of European equipment.

Q&A

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