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Super Precision Angular Contact Ball Bearings 7219 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7219 CD/P4ADBC

The 7219 CD/P4ADBC is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 50625 lbf and operates smoothly at speeds up to 15000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads. The phenolic cage ensures durability and quiet performance under moderate preload.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or industrial pumps.

Weighing 5.4kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, offering reliable interchangeability with SKF bearings.

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Product Parameters

  • Part Number 7219 CD/P4ADBC
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 5.4 kg
Super Precision Angular Contact Ball Bearings 7219 CD/P4ADBC dimension drawing
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Features

Performance Features of 7219 CD/P4ADBC Bearing

7219 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 50625 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 15,000 rpm.
This bearing is preloaded for moderate stiffness, making it suitable for precision tasks.

With a temperature range of -30°C to 110°C, 7219 CD/P4ADBC Bearing performs reliably in varied conditions.
Its matched arrangement of two bearings provides balanced performance in demanding setups.

The open seal design allows for easy lubrication, reducing maintenance needs.
7219 CD/P4ADBC Bearing’s precision tolerance class P4A ensures consistent performance in high-accuracy applications.

Application

Industrial Uses of 7219 CD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The moderate preload helps maintain stability during high-speed operations.

In automotive applications, 7219 CD/P4ADBC Bearing supports performance in gearboxes and wheel hubs, thanks to its durable chrome steel construction. The matched arrangement of two bearings provides balanced load distribution for smoother rides.

For robotics, 7219 CD/P4ADBC Bearing is ideal for articulated arms, offering reliable movement with minimal friction. The phenolic cage reduces weight while maintaining strength, making it suitable for repetitive motions.

Medical imaging devices benefit from 7219 CD/P4ADBC Bearing’s precision, ensuring smooth rotation in CT scanners and MRI machines. The P4A tolerance class guarantees consistent performance in critical healthcare environments.

In aerospace, 7219 CD/P4ADBC Bearing is used in flight control systems, where its ability to handle combined loads is essential. The open design allows for easy lubrication, extending service life in demanding conditions.

Q&A

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