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Super Precision Angular Contact Ball Bearings 7018 ACE/HCPA9AQBCA
Super Precision Angular Contact Ball Bearings 7018 ACE/HCPA9AQBCA

Super Precision Angular Contact Ball Bearings 7018 ACE/HCPA9AQBCA

The 7018 ACE/HCPA9AQBCA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 20340 lbf and spins smoothly at speeds up to 15000 RPM, thanks to its ceramic balls and phenolic cage. The extra-light preload ensures minimal friction during operation.

Its open design allows for easy lubrication, while the PA9A tolerance class guarantees high precision. Suitable for temperatures between -30°C and 110°C, it’s ideal for demanding applications.

Weighing 4.43kg, this bearing is robust yet efficient. Perfect for high-speed machinery or precision equipment where angular contact and accuracy are crucial. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7018 ACE/HCPA9AQBCA
  • 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 25°
  • Tolerance Class PA9A
  • 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 20340 lbf
  • Static Radial Load 27000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.43 kg

Features

How Does 7018 ACE/HCPA9AQBCA Bearing Achieve Super Precision?

7018 ACE/HCPA9AQBCA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing performance under dynamic radial loads up to 20,340 lbf.

The phenolic cage ensures smooth operation, even at speeds reaching 15,000 rpm.
With a matched arrangement of four bearings, it provides consistent reliability in demanding setups.

7018 ACE/HCPA9AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) minimises vibration, making it ideal for precision machinery.

Application

Key Fields for 7018 ACE/HCPA9AQBCA Bearing
7018 ACE/HCPA9AQBCA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In robotics, 7018 ACE/HCPA9AQBCA Bearing supports articulated arms, providing smooth movement and reliability. Its matched arrangement of four bearings enhances stability in automated systems.

For aerospace applications, 7018 ACE/HCPA9AQBCA Bearing’s phenolic cage and chrome steel rings offer durability under varying temperatures. The extra-light preload ensures consistent operation in critical flight components.

Medical imaging devices benefit from 7018 ACE/HCPA9AQBCA Bearing’s low friction and high precision. The open design allows for easy lubrication, maintaining performance in sensitive equipment.

In automotive testing rigs, 7018 ACE/HCPA9AQBCA Bearing handles radial loads efficiently. Its PA9A tolerance class ensures it meets strict industry standards for precision engineering.

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