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Super Precision Angular Contact Ball Bearings 7018 CD/P4ADBB
Super Precision Angular Contact Ball Bearings 7018 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 7018 CD/P4ADBB

The 7018 CD/P4ADBB is a super precision angular contact ball bearing, measuring 90mm by 140mm by 48mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 28575 lbf and operates smoothly at speeds up to 15000 RPM. Its phenolic cage ensures quiet and efficient rotation, even under light preload conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing 2.32kg, it’s robust yet suitable for applications requiring tight tolerances. Works well in temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 7018 CD/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 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 28575 lbf
  • Static Radial Load 34425 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.32 kg
  • Price($) 473.643

Features

Why Choose 7018 CD/P4ADBB Bearing for Precision Tasks?

7018 CD/P4ADBB Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The matched arrangement of two bearings (DB) enhances stability and load distribution in high-speed applications.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

7018 CD/P4ADBB Bearing’s P4A tolerance class guarantees exceptional accuracy for precision machinery.
Its light preload (Class B) further optimises performance, reducing vibration and noise.

Application

Industrial Uses of 7018 CD/P4ADBB Bearing
7018 CD/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 in heavy cutting operations.

In aerospace applications, 7018 CD/P4ADBB Bearing supports components like helicopter transmissions, thanks to its light preload and high-speed capability. The phenolic cage reduces friction, making it suitable for demanding flight conditions.

For automation systems, 7018 CD/P4ADBB Bearing excels in robotic arms, where its P4A tolerance class guarantees precise movement. The chrome steel construction ensures long-lasting performance even in continuous operation.

Medical imaging devices benefit from 7018 CD/P4ADBB Bearing’s smooth operation, crucial for reducing vibration in sensitive equipment. Its open design allows for easy lubrication, maintaining consistent performance over time.

In electric vehicle motors, 7018 CD/P4ADBB Bearing handles both radial and axial loads efficiently. The 15° contact angle optimises load distribution, enhancing the motor’s overall durability.

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