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Super Precision Angular Contact Ball Bearings 7019 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 7019 ACD/P4ADBA

The 7019 ACD/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 28125 lbf and operates smoothly at speeds up to 15000 RPM.

Its 25° contact angle and matched arrangement of two bearings provide excellent stability for angular loads. The phenolic cage ensures durability and quiet operation, even at high speeds.

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

Weighing 2.42kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7019 ACD/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 25°
  • 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 28125 lbf
  • Static Radial Load 34425 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.42 kg
Super Precision Angular Contact Ball Bearings 7019 ACD/P4ADBA dimension drawing
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Features

Performance Features of 7019 ACD/P4ADBA Bearing

7019 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability and resistance to wear under high radial loads.

With a dynamic radial load capacity of 28125 lbf, it handles demanding operations with ease.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

7019 ACD/P4ADBA Bearing operates smoothly at speeds up to 15,000 rpm, making it suitable for high-speed applications.
Its extra light preload (Class A) ensures precision and reduces vibration.

The open design allows for easy lubrication, extending the bearing’s service life.
It functions reliably within a temperature range of -30°C to 110°C.

The matched arrangement of two bearings (DB) provides stability and balanced load distribution.
This design is ideal for applications requiring high precision and reliability.

Application

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

In robotics, 7019 ACD/P4ADBA Bearing supports articulated arms, providing smooth movement and long service life. The matched arrangement of two bearings enhances stability in dynamic operations.

For aerospace applications, 7019 ACD/P4ADBA Bearing handles radial and axial loads in components like landing gear systems. Its phenolic cage offers good heat resistance, which is crucial in demanding environments.

Automotive vs Aerospace: Applications of 7019 ACD/P4ADBA Bearing
In automotive systems, this bearing is often found in high-performance transmissions, where its precision reduces energy loss. The chrome steel construction ensures durability under heavy loads.

Aerospace applications benefit from 7019 ACD/P4ADBA Bearing’s ability to maintain performance at high speeds. The P4A tolerance class guarantees consistent operation in critical flight components.

Where Is 7019 ACD/P4ADBA Bearing Used?
You’ll often see this bearing in medical imaging devices, where its low vibration is essential for clear scans. The open design allows for easy lubrication, extending its lifespan.

In industrial pumps, 7019 ACD/P4ADBA Bearing handles both radial and axial loads efficiently. Its high-speed capability makes it a reliable choice for continuous operation.

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