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Super Precision Angular Contact Ball Bearings 7220 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7220 CDGA/HCP4A

The 7220 CDGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 35100 lbf.

The open design and phenolic cage allow for easy lubrication and reduced friction, supporting speeds up to 16250 RPM. The chrome steel rings provide durability, while the P4A tolerance class guarantees precise performance.

This bearing is ideal for machine tools or spindle applications where accuracy and speed are crucial. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing 2.64kg, it operates efficiently in temperatures from -30°C to 110°C. Compatible with SKF bearings, it offers a reliable replacement option for industrial use.

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Product Parameters

  • Part Number 7220 CDGA/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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.64 kg
Super Precision Angular Contact Ball Bearings 7220 CDGA/HCP4A dimension drawing
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Features

How Does 7220 CDGA/HCP4A Bearing Achieve Super Precision?

7220 CDGA/HCP4A Bearing features a 15° contact angle and ceramic balls, ensuring high precision in angular contact applications.
Its chrome steel rings and phenolic cage provide stability and reduce friction during high-speed operation.

With a dynamic radial load capacity of 35100 lbf, it handles demanding tasks while maintaining accuracy.
The extra light preload (Class A) enhances performance, making it suitable for precision machinery.

Operating at speeds up to 16,250 rpm, 7220 CDGA/HCP4A Bearing balances speed and reliability.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Industrial Uses of 7220 CDGA/HCP4A Bearing
The 7220 CDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. Its P4A tolerance ensures precise alignment for demanding industrial applications.

Where Is 7220 CDGA/HCP4A Bearing Used?
You’ll often find the 7220 CDGA/HCP4A Bearing in automotive transmissions, where its angular contact design handles combined radial and thrust loads efficiently. The extra-light preload also minimises vibration, enhancing gear shifting smoothness.

Built for Heavy-Duty Use: 7220 CDGA/HCP4A Bearing
In robotics, the 7220 CDGA/HCP4A Bearing supports articulated arms, thanks to its high dynamic load capacity and low-maintenance design. The open seal type allows for easy relubrication in continuous operation environments.

Automotive vs Aerospace: Applications of 7220 CDGA/HCP4A Bearing
The 7220 CDGA/HCP4A Bearing suits both automotive drivetrains and aerospace actuators, offering reliable performance under varying loads. Its universal matching feature simplifies installation in complex assemblies.

Perfect Fit for Automation: 7220 CDGA/HCP4A Bearing
For automated production lines, the 7220 CDGA/HCP4A Bearing ensures precision in linear guides and rotary tables. The ceramic balls extend service life even in high-speed, repetitive motion scenarios.

Q&A

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