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Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBA

The 7019 CD/P4ADBA is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 29925 lbf and operates smoothly at speeds up to 17000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability, while the phenolic cage ensures durability. The extra-light preload (Class A) enhances performance in high-precision applications.

This bearing is ideal for machine tools or spindle systems where accuracy and speed are crucial. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 2.42kg, it’s a robust yet precise component, interchangeable with SKF bearings. Compliant with P4A tolerance class for reliable performance.

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Product Parameters

  • Part Number 7019 CD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 21
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 29925 lbf
  • Static Radial Load 36000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 2.42 kg
Super Precision Angular Contact Ball Bearings 7019 CD/P4ADBA dimension drawing
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Features

Performance Features of 7019 CD/P4ADBA Bearing

7019 CD/P4ADBA 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 29,925 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 17,000 rpm.
With an extra light preload (Class A), it maintains precision in demanding conditions.

7019 CD/P4ADBA Bearing operates reliably within a temperature range of -30°C to 110°C.
Its matched arrangement (DB) of two bearings improves stability and performance.

Application

Industrial Uses of 7019 CD/P4ADBA Bearing
The 7019 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its extra light preload makes it suitable for applications requiring minimal friction and smooth operation.

In aerospace applications, 7019 CD/P4ADBA Bearing supports components like helicopter transmissions, thanks to its high dynamic radial load capacity. The phenolic cage adds durability while reducing weight, which is crucial in aviation.

For robotics, 7019 CD/P4ADBA Bearing excels in articulated arms, providing reliable performance under angular loads. The matched arrangement of two bearings enhances stability, making it ideal for repetitive, high-precision movements.

Medical imaging devices benefit from 7019 CD/P4ADBA Bearing’s P4A tolerance class, ensuring quiet and vibration-free operation. The chrome steel construction also offers long service life in demanding clinical environments.

In automation systems, 7019 CD/P4ADBA Bearing is often found in CNC machinery, where its high-speed capability and precision are key. The open design allows for easy lubrication, maintaining performance over extended periods.

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