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Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADBB

The 7018 ACD/P4ADBB is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, measuring 48mm wide. Made from chrome steel, it’s built to handle high radial loads up to 27225 lbf.

With a 25° contact angle and light preload, it offers smooth operation at speeds up to 16000 RPM. The open design and phenolic cage ensure durability and easy maintenance.

This matched set of two bearings (DB arrangement) is ideal for applications requiring high precision, such as machine tools or spindles. It works well in temperatures from -30°C to 110°C.

Weighing 2.32kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7018 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 20
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 27225 lbf
  • Static Radial Load 32175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 2.32 kg
  • Price（$） 473.652
Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADBB dimension drawing
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Features

Performance Features of 7018 ACD/P4ADBB Bearing

7018 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under heavy radial loads.

The phenolic cage in 7018 ACD/P4ADBB Bearing maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 27,225 lbf, it handles demanding tasks with ease.

7018 ACD/P4ADBB Bearing operates efficiently at speeds up to 16,000 rpm, balancing performance and longevity.
Its matched arrangement of two bearings provides stability in precision applications.

The light preload class B ensures smooth operation, making 7018 ACD/P4ADBB Bearing ideal for high-speed machinery.
Its temperature range of -30°C to 110°C allows reliable performance in various environments.

Application

Industrial Uses of 7018 ACD/P4ADBB Bearing
7018 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

In automotive applications, 7018 ACD/P4ADBB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation and reduced friction.

For robotics, 7018 ACD/P4ADBB Bearing offers reliable performance in articulated arms and precision joints. The P4A tolerance class ensures minimal vibration, which is crucial for repetitive tasks.

In medical imaging devices, 7018 ACD/P4ADBB Bearing’s chrome steel construction maintains precision under continuous use. The open design allows for easy lubrication, extending service life in critical applications.

Q&A

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