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Super Precision Angular Contact Ball Bearings 7220 ACDGB/HCP4A

Super Precision Angular Contact Ball Bearings 7220 ACDGB/HCP4A

The 7220 ACDGB/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, designed for high-speed applications. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 33300 lbf, it handles heavy loads while spinning at speeds up to 16000 RPM. The phenolic cage ensures durability and reduces friction.

This bearing comes preloaded for light use and works in temperatures from -30°C to 110°C. Its open design allows easy lubrication and maintenance.

Ideal for precision machinery like CNC spindles or high-speed motors, where accuracy and speed are crucial. Weighing 2.64kg, it’s robust yet suitable for demanding applications.

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Product Parameters

  • Part Number 7220 ACDGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 34 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 33300 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 2.64 kg
Super Precision Angular Contact Ball Bearings 7220 ACDGB/HCP4A dimension drawing
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Features

How Does 7220 ACDGB/HCP4A Bearing Achieve High-Speed Performance?

7220 ACDGB/HCP4A Bearing features ceramic balls, reducing friction and enabling smooth operation at speeds up to 16,000 rpm.
The chrome steel rings and phenolic cage ensure durability and stability under high dynamic radial loads of 33,300 lbf.

With a 25° contact angle, it efficiently handles angular contact loads while maintaining precision.
The open design allows for easy lubrication, enhancing performance in various applications.

Its P4A tolerance class guarantees consistent accuracy, making it suitable for demanding tasks.
The lightweight phenolic cage minimises vibration, contributing to quieter operation.

Application

Key Fields for 7220 ACDGB/HCP4A Bearing
7220 ACDGB/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The light preload ensures smooth operation in precision grinding applications.

In robotics, 7220 ACDGB/HCP4A Bearing provides reliable angular contact support for articulated arms, thanks to its P4A tolerance class. The chrome steel rings offer durability in repetitive motion scenarios.

For aerospace components, 7220 ACDGB/HCP4A Bearing handles radial and axial loads in turbine systems, with a temperature range suited for varied operating conditions. Its metric sizing aligns with international aviation standards.

Where Is 7220 ACDGB/HCP4A Bearing Used?
7220 ACDGB/HCP4A Bearing fits well in medical imaging devices, where its low vibration and high-speed capability maintain image clarity. The open design allows for easy lubrication in sterile environments.

In automotive testing equipment, 7220 ACDGB/HCP4A Bearing supports precise measurements due to its consistent performance under light loads. The ceramic balls also minimise wear in long-duration tests.

Built for Heavy-Duty Use: 7220 ACDGB/HCP4A Bearing
7220 ACDGB/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with its 25° contact angle. The phenolic cage resists corrosion in wet or chemical-exposed settings.

For printing machinery, 7220 ACDGB/HCP4A Bearing ensures accurate paper feed with its tight tolerance and smooth rotation. Its lubricated design reduces maintenance needs in high-volume operations.

Automotive vs Aerospace: Applications of 7220 ACDGB/HCP4A Bearing
In automotive transmissions, 7220 ACDGB/HCP4A Bearing manages angular loads during gear shifts, aided by its dynamic radial load capacity. The metric dimensions suit compact drivetrain layouts.

For aerospace actuators, 7220 ACDGB/HCP4A Bearing’s ceramic balls and P4A precision enhance reliability in critical flight systems. The universal matching option simplifies assembly in tandem configurations.

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