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Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4A

The 7018 ACD/HCP4A 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 efficiently handles both radial and axial loads, with dynamic radial load capacity up to 16672 lbf.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 16000 RPM. The phenolic cage reduces friction and maintains stability even under heavy loads.

This open-design bearing comes pre-lubricated and operates in temperatures from -30°C to 110°C. Its P4 tolerance class ensures exceptional precision for demanding applications.

Ideal for machine tools, spindles, or high-performance equipment where accuracy and speed are crucial. Weighing 1.01kg, it balances durability with precision engineering.

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Product Parameters

  • Part Number 7018 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 20
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 16672 lbf
  • Static Radial Load 16200 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.01 kg
  • Price（$） 846.567
Super Precision Angular Contact Ball Bearings 7018 ACD/HCP4A dimension drawing
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Features

How Is 7018 ACD/HCP4A Bearing Engineered for Reliability?

7018 ACD/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 16672 lbf, it performs reliably in high-stress applications.
Its phenolic cage ensures smooth operation and minimises wear over time.

The P4 tolerance class guarantees precision, making it suitable for high-speed applications up to 16,000 rpm.
7018 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.

Application

Key Fields for 7018 ACD/HCP4A Bearing
7018 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for precision machining applications.

In automotive systems, 7018 ACD/HCP4A Bearing supports components like turbochargers and electric motors, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance in demanding conditions.

For robotics, 7018 ACD/HCP4A Bearing’s phenolic cage and open design allow smooth movement in robotic arms and automated systems. The high-speed capability makes it suitable for repetitive, precise tasks.

Medical imaging devices benefit from 7018 ACD/HCP4A Bearing’s low friction and reliable operation. The chrome steel rings and ceramic balls ensure long-lasting performance in critical healthcare equipment.

In aerospace applications, 7018 ACD/HCP4A Bearing’s lightweight design and high-speed tolerance make it a preferred choice for flight control systems. The temperature range suits both ground and in-flight conditions.

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