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Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4ADGC

Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4ADGC

The 7018 ACD/HCP4ADGC is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 27225 lbf.

The phenolic cage and chrome steel rings provide durability, while the open design allows for easy lubrication. It can handle speeds up to 17000 RPM and works in temperatures from -30°C to 110°C.

This bearing comes in a matched set of two, suitable for universal mounting arrangements like back-to-back or face-to-face. Ideal for machine tools or spindles where precision and speed are crucial.

Weighing 2.03kg, it meets P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7018 ACD/HCP4ADGC
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 27225 lbf
  • Static Radial Load 32175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 2.03 kg
Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4ADGC dimension drawing
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Features

Performance Features of 7018 ACD/HCP4ADGC Bearing

7018 ACD/HCP4ADGC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 17,000 rpm.
With a dynamic radial load capacity of 27,225 lbf, it handles demanding conditions reliably.

7018 ACD/HCP4ADGC Bearing’s universal matching design allows flexible arrangement options.
Its moderate preload (Class C) ensures consistent performance in precision applications.

The open seal type facilitates easy lubrication, maintaining optimal performance.
Operating between -30°C to 110°C, it adapts to various environmental conditions.

Application

Industrial Uses of 7018 ACD/HCP4ADGC Bearing
7018 ACD/HCP4ADGC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 7018 ACD/HCP4ADGC Bearing supports performance in gearboxes and wheel hubs, thanks to its moderate preload and universal matching. The phenolic cage adds durability under varying temperatures.

For robotics, 7018 ACD/HCP4ADGC Bearing provides reliable motion control in articulated arms and automated systems. Its P4A tolerance class guarantees consistent performance in repetitive tasks.

Medical imaging devices benefit from 7018 ACD/HCP4ADGC Bearing’s smooth operation and low heat generation. The chrome steel rings ensure long-term reliability in critical diagnostic equipment.

In aerospace, 7018 ACD/HCP4ADGC Bearing is favoured for its lightweight ceramic balls and high-speed capabilities. The universal matching feature allows flexible installation in compact spaces.

Q&A

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