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Super Precision Angular Contact Ball Bearings 7018 CD/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 7018 CD/HCP4AQBCA

The 7018 CD/HCP4AQBCA 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 46800 lbf and operates smoothly at speeds up to 15000 RPM.

Its 15° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet performance. The set includes four matched bearings for balanced load distribution.

Designed for extra light preload, this bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It works reliably in temperatures from -30°C to 110°C.

Weighing 4.06kg, it’s robust yet suitable for precision setups. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7018 CD/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 15.875 mm
  • Ball Qty 20
  • 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 46800 lbf
  • Static Radial Load 68625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.06 kg
Super Precision Angular Contact Ball Bearings 7018 CD/HCP4AQBCA dimension drawing
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Features

Performance Features of 7018 CD/HCP4AQBCA Bearing

7018 CD/HCP4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 15,000 rpm.

Its chrome steel rings and phenolic cage ensure durability under dynamic radial loads of 46,800 lbf.
The extra light preload (Class A) minimises vibration, improving operational smoothness.

With a temperature range of -30°C to 110°C, 7018 CD/HCP4AQBCA Bearing performs reliably in varied conditions.
The open seal design allows for easy lubrication, maintaining efficiency over time.

The matched arrangement of four bearings ensures consistent performance in high-precision setups.
Its P4A tolerance class guarantees exceptional accuracy for demanding industrial applications.

Application

Industrial Uses of 7018 CD/HCP4AQBCA Bearing
7018 CD/HCP4AQBCA 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 aerospace applications, 7018 CD/HCP4AQBCA Bearing provides reliable performance in components like helicopter transmissions. Its phenolic cage offers stability under varying temperatures and loads.

For automation systems, 7018 CD/HCP4AQBCA Bearing supports robotic arms with smooth, precise movement. The matched arrangement of four bearings enhances load distribution in dynamic environments.

Medical imaging devices benefit from 7018 CD/HCP4AQBCA Bearing’s low vibration and high rigidity. The P4A tolerance class ensures consistent performance in sensitive equipment.

In electric vehicle motors, 7018 CD/HCP4AQBCA Bearing handles angular loads efficiently. Its lubricated design extends service life, reducing maintenance needs.

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