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Super Precision Angular Contact Ball Bearings 7018 CE/P4ADBA

Super Precision Angular Contact Ball Bearings 7018 CE/P4ADBA

The 7018 CE/P4ADBA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 13162 lbf.

Its open design and phenolic cage ensure smooth operation at speeds up to 15000 RPM, while the extra-light preload enhances precision. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This matched set of two bearings (DB arrangement) is ideal for high-precision applications like machine tool spindles or robotics. The P4A tolerance class guarantees exceptional accuracy for demanding tasks.

Weighing 2.41kg, it’s robust yet manageable for its size. Compatible with SKF bearings, it offers a reliable replacement option. The 15° contact angle ensures optimal load distribution for long-lasting performance.

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Product Parameters

  • Part Number 7018 CE/P4ADBA
  • 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 Extra light / Class A
  • 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/P4ADBA dimension drawing
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Features

Performance Features of 7018 CE/P4ADBA Bearing

7018 CE/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure high durability under dynamic radial loads up to 13162 lbf.

Its phenolic cage maintains precise ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 15,000 rpm, it delivers reliable performance in high-speed scenarios.

The extra light preload (Class A) minimises vibration, making it suitable for precision tasks.
7018 CE/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.

Application

Industrial Uses of 7018 CE/P4ADBA Bearing
In machine tools, 7018 CE/P4ADBA Bearing ensures high precision during heavy cutting operations, thanks to its angular contact design and extra-light preload. The matched arrangement of two bearings enhances stability, making it ideal for spindle applications.

Where Is 7018 CE/P4ADBA Bearing Used?
You’ll often find 7018 CE/P4ADBA Bearing in high-speed robotics, where its phenolic cage reduces friction and heat buildup. Its 15° contact angle also helps handle combined radial and axial loads smoothly.

Built for Heavy-Duty Use: 7018 CE/P4ADBA Bearing
This bearing excels in industrial pumps, where its chrome steel construction withstands constant radial loads. The P4A tolerance class ensures consistent performance even under demanding conditions.

Automotive vs Aerospace: Applications of 7018 CE/P4ADBA Bearing
In automotive gearboxes, 7018 CE/P4ADBA Bearing supports smooth shifting with its high-speed capability. For aerospace, its precision and lightweight design make it suitable for auxiliary power units.

Perfect Fit for Automation: 7018 CE/P4ADBA Bearing
In automated assembly lines, 7018 CE/P4ADBA Bearing reduces downtime with its reliable performance. The open seal design allows for easy relubrication, extending service life in continuous operations.

Q&A

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