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Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCA

Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCA

The 7020 ACD/HCP4AQBCA is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, designed for high-performance applications. It features a 25° contact angle and comes in a matched set of four bearings for balanced load distribution.

Made from chrome steel rings and ceramic balls, it handles dynamic radial loads up to 46800 lbf and spins smoothly at speeds up to 15000 RPM. The phenolic cage ensures durability and reduces friction.

Its open design allows easy lubrication, while the extra-light preload (Class A) ensures precise operation. Ideal for machine tools or high-speed spindles where accuracy is critical.

With a temperature range of -30°C to 110°C and P4A tolerance class, it offers reliable performance in demanding conditions. Weighing 4.18kg, it’s robust yet suitable for precision engineering tasks.

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Product Parameters

  • Part Number 7020 ACD/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 96 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • Contact Angle 25°
  • 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 72000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.18 kg
Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCA dimension drawing
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Features

How Does 7020 ACD/HCP4AQBCA Bearing Reduce Friction?

7020 ACD/HCP4AQBCA Bearing features ceramic balls and a phenolic cage, significantly reducing friction during operation.
The 25° contact angle ensures smooth handling of angular loads, enhancing performance in precision applications.

With a dynamic radial load capacity of 46,800 lbf, it maintains reliability under demanding conditions.
Its open design allows for easy lubrication, further minimising wear and extending service life.

The P4A tolerance class guarantees high precision, making it ideal for high-speed applications up to 15,000 rpm.
Chrome steel rings add durability, while the matched set of four bearings ensures consistent performance.

Application

Industrial Uses of 7020 ACD/HCP4AQBCA Bearing
7020 ACD/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 ideal for applications demanding smooth, high-speed operation.

In robotics, 7020 ACD/HCP4AQBCA Bearing supports articulated arms, providing stability and precision in repetitive movements. Its phenolic cage offers durability while maintaining low weight, crucial for dynamic robotic systems.

For aerospace components, 7020 ACD/HCP4AQBCA Bearing handles radial and axial loads in avionics systems. The P4A tolerance class ensures reliability in environments where precision is non-negotiable.

Where Is 7020 ACD/HCP4AQBCA Bearing Used?
You’ll find 7020 ACD/HCP4AQBCA Bearing in medical imaging devices, where its low vibration and high-speed capabilities are essential. The open design allows for easy lubrication, extending service life in critical healthcare equipment.

In automation systems, 7020 ACD/HCP4AQBCA Bearing ensures precise linear motion in CNC machines. The matched set arrangement (4 bearings) provides balanced load distribution for consistent performance.

Built for Heavy-Duty Use: 7020 ACD/HCP4AQBCA Bearing
7020 ACD/HCP4AQBCA Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The chrome steel rings and ceramic balls combine for long-lasting performance in demanding conditions.

For wind turbine gearboxes, 7020 ACD/HCP4AQBCA Bearing offers reliable operation under varying loads. Its temperature range (-30°C to 110°C) makes it suitable for outdoor energy applications.

Automotive vs Aerospace: Applications of 7020 ACD/HCP4AQBCA Bearing
In automotive testing equipment, 7020 ACD/HCP4AQBCA Bearing provides precise measurements for engine components. The extra light preload ensures minimal friction during high-speed testing.

For satellite tracking systems, 7020 ACD/HCP4AQBCA Bearing maintains accuracy in positioning mechanisms. The ceramic balls reduce thermal expansion effects, crucial for space applications.

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