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Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBB

The 7020 CD/P4ADBB is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 30375 lbf and reaches speeds of 20000 RPM.

With a 15° contact angle and light preload, it offers smooth operation and high accuracy. The phenolic cage ensures stability, while the open design allows easy lubrication.

This matched set of two bearings (DB arrangement) is ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing 2.53kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7020 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 30375 lbf
  • Static Radial Load 38250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 2.53 kg
Super Precision Angular Contact Ball Bearings 7020 CD/P4ADBB dimension drawing
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Features

Performance Features of 7020 CD/P4ADBB Bearing

7020 CD/P4ADBB 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 30375 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 20,000 rpm.

With a matched arrangement of two bearings, it provides stability and precision in demanding conditions.

Application

Industrial Uses of 7020 CD/P4ADBB 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 matched arrangement of two bearings provides stability for spindle applications.

In robotics, 7020 CD/P4ADBB Bearing supports articulated arms, offering smooth movement thanks to its phenolic cage and light preload. Its high-speed capability makes it suitable for automated assembly lines.

For medical imaging devices, 7020 CD/P4ADBB Bearing’s P4A tolerance class delivers the precision needed for consistent performance. The chrome steel construction also ensures durability in frequent-use scenarios.

Automotive vs Aerospace: Applications of 7020 CD/P4ADBB Bearing
In automotive systems, this bearing is often found in high-performance gearboxes, handling both speed and load demands. Its metric sizing fits well with European and Asian vehicle designs.

Aerospace applications benefit from 7020 CD/P4ADBB Bearing’s reliability in avionics and control systems. The temperature range and lubrication options make it adaptable to various flight conditions.

What Makes 7020 CD/P4ADBB Bearing a Preferred Choice?
Its combination of chrome steel rings and phenolic cage offers a balance of strength and reduced friction. This makes it ideal for applications where both durability and smooth operation are key.

The light preload and matched arrangement further enhance performance in precision equipment. Users appreciate its consistent reliability in demanding environments.

Q&A

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