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Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADGB

The 7018 ACD/P4ADGB 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 27225 lbf and spins smoothly at speeds up to 16000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing 2.32kg, it comes as a matched set of two bearings. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7018 ACD/P4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • 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（$） 384.984
Super Precision Angular Contact Ball Bearings 7018 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7018 ACD/P4ADGB Bearing

7018 ACD/P4ADGB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching allows flexible arrangements like back-to-back or face-to-face, adapting to various applications.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 27225 lbf, it performs reliably under heavy loads.

7018 ACD/P4ADGB Bearing operates smoothly at speeds up to 16,000 rpm, maintaining precision in high-speed applications.
Its P4A tolerance class guarantees consistent performance and accuracy.

The light preload (Class B) enhances stability, making it suitable for precision machinery.
Its temperature range of -30°C to 110°C ensures versatility in different working conditions.

Application

Industrial Uses of 7018 ACD/P4ADGB Bearing
7018 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching feature allows flexible arrangements, making it suitable for complex spindle designs.

In automotive applications, 7018 ACD/P4ADGB Bearing supports high-speed components like turbochargers and electric motor shafts. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, 7018 ACD/P4ADGB Bearing’s P4A tolerance class provides the precision needed for smooth motion in robotic arms. The chrome steel construction ensures durability even in continuous operation.

Medical imaging devices benefit from 7018 ACD/P4ADGB Bearing’s low vibration and high-speed capabilities. The light preload helps maintain stability in sensitive equipment like MRI scanners.

In aerospace systems, 7018 ACD/P4ADGB Bearing handles both radial and thrust loads in avionics and actuator mechanisms. Its temperature range makes it reliable in varying operational environments.

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