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Super Precision Angular Contact Ball Bearings 7018 CE/P4ADBB

Super Precision Angular Contact Ball Bearings 7018 CE/P4ADBB

The 7018 CE/P4ADBB is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 13162 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and light preload, it offers excellent accuracy for high-performance applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindles where precision is key. It works in temperatures from -30°C to 110°C.

Weighing 2.41kg, it’s robust yet manageable for its size. The open design allows easy lubrication, maintaining optimal performance over time.

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Product Parameters

  • Part Number 7018 CE/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 11.112 mm
  • Ball Qty 28
  • 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 13162 lbf
  • Static Radial Load 14400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.41 kg
Super Precision Angular Contact Ball Bearings 7018 CE/P4ADBB dimension drawing
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Features

Why Choose 7018 CE/P4ADBB Bearing for Precision Tasks?

7018 CE/P4ADBB Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 13162 lbf, it handles demanding tasks reliably.
The P4A tolerance class guarantees exceptional accuracy, making it ideal for precision machinery.

Lubricated for efficiency, it operates at speeds up to 15,000 rpm without compromising performance.
The matched arrangement of two bearings enhances stability, ensuring consistent results.

Application

Industrial Uses of 7018 CE/P4ADBB Bearing
This 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 for heavy cutting operations.

Where Is 7018 CE/P4ADBB Bearing Used?
You’ll find it in automotive transmissions, where the light preload and phenolic cage reduce friction for smoother gear shifts. Its chrome steel construction also handles high radial loads efficiently.

Built for Heavy-Duty Use: 7018 CE/P4ADBB Bearing
In robotics, this bearing supports articulated arms, thanks to its P4A tolerance class for precise movement. The open seal design allows for easy lubrication in continuous operation.

Medical vs Industrial: Where 7018 CE/P4ADBB Bearing Excels
While it’s reliable in industrial grinders, the 7018 CE/P4ADBB Bearing also fits medical imaging devices where low vibration is critical. The 15° contact angle balances speed and load capacity well.

Perfect Fit for Automation: 7018 CE/P4ADBB Bearing
In automated assembly lines, this bearing’s phenolic cage reduces noise, making it ideal for high-speed pick-and-place systems. The metric sizing ensures compatibility with European machinery standards.

Q&A

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