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Super Precision Angular Contact Ball Bearings 7018 CE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 7018 CE/HCP4AQBCA

The 7018 CE/HCP4AQBCA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 21510 lbf and reaches speeds of 15000 RPM, thanks to its ceramic balls and phenolic cage.

Its 15° contact angle and extra-light preload ensure smooth operation with minimal friction. The open design allows for easy lubrication, making maintenance straightforward.

This set includes four matched bearings (QBC arrangement), ideal for high-precision applications like machine tool spindles or aerospace components. It operates reliably in temperatures from -30°C to 110°C.

Weighing 4.43kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it offers exceptional accuracy and interchangeability with SKF bearings.

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Product Parameters

  • Part Number 7018 CE/HCP4AQBCA
  • 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 96 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 21510 lbf
  • Static Radial Load 28575 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.43 kg
Super Precision Angular Contact Ball Bearings 7018 CE/HCP4AQBCA dimension drawing
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Features

Performance Features of 7018 CE/HCP4AQBCA Bearing

7018 CE/HCP4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision 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 15,000 rpm.
This bearing set includes four matched units, providing consistent performance in demanding conditions.

With a dynamic radial load capacity of 21,510 lbf, it handles heavy loads reliably.
The open design allows for easy lubrication, maintaining efficiency over time.

7018 CE/HCP4AQBCA Bearing operates in temperatures from -30°C to 110°C, suitable for varied environments.
Its P4A tolerance class ensures high precision and minimal vibration.

Application

Key Fields for 7018 CE/HCP4AQBCA Bearing
7018 CE/HCP4AQBCA Bearing is widely used in high-precision machine tools, where its ceramic balls and phenolic cage ensure minimal friction and heat generation. The matched set of four bearings provides excellent stability for spindle applications.

In robotics, 7018 CE/HCP4AQBCA Bearing supports articulated arms, offering smooth motion and long service life. Its extra-light preload makes it ideal for delicate, high-speed operations.

For aerospace components, 7018 CE/HCP4AQBCA Bearing handles both radial and angular loads with precision. The P4A tolerance class ensures consistent performance in critical flight systems.

Medical imaging devices benefit from 7018 CE/HCP4AQBCA Bearing’s quiet operation and reliability. The chrome steel rings and ceramic balls reduce wear, even in continuous use.

In semiconductor manufacturing, 7018 CE/HCP4AQBCA Bearing’s low vibration and high-speed capability are essential. The open design allows for easy lubrication, maintaining optimal performance.

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