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Super Precision Angular Contact Ball Bearings 7220 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7220 CD/P4ADGB

The 7220 CD/P4ADGB is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for universal matching, making it versatile for various setups.

With a dynamic radial load capacity of 57375 lbf, it handles high speeds up to 16000 RPM smoothly. The phenolic cage ensures durability, while the open design allows for easy lubrication and maintenance.

This bearing is ideal for precision applications like machine tools or spindles, where accuracy and reliability are key. It operates efficiently in temperatures ranging from -30°C to 110°C.

Weighing 6.48kg, it comes in a matched set of two, suitable for back-to-back, face-to-face, or tandem arrangements. Compliant with P4A tolerance standards, it’s a dependable choice for demanding industrial uses.

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Product Parameters

  • Part Number 7220 CD/P4ADGB
  • 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 68 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 57375 lbf
  • Static Radial Load 60750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 6.48 kg
Super Precision Angular Contact Ball Bearings 7220 CD/P4ADGB dimension drawing
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Features

How Does 7220 CD/P4ADGB Bearing Ensure Precision in High-Speed Applications?

7220 CD/P4ADGB Bearing features a 15° contact angle, optimising load distribution for smooth angular contact performance.
Its universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The phenolic cage maintains ball alignment, reducing friction and enhancing high-speed stability.
With a maximum speed of 16,000 rpm, it delivers reliable operation in demanding conditions.

Chrome steel rings and balls provide durability, while the P4A tolerance class ensures consistent precision.
Dynamic radial load capacity reaches 57,375 lbf, making it suitable for heavy-duty applications.

Light preload (Class B) minimises vibration, improving operational smoothness.
Its temperature range of -30°C to 110°C ensures performance across various environments.

Application

Key Fields for 7220 CD/P4ADGB Bearing
In industrial settings, 7220 CD/P4ADGB Bearing is a go-to for high-precision machine spindles and CNC equipment, thanks to its universal matching design and light preload. The 15° contact angle ensures smooth handling of combined radial and axial loads.

Where Is 7220 CD/P4ADGB Bearing Used?
You’ll often spot 7220 CD/P4ADGB Bearing in automotive transmissions, where its phenolic cage reduces friction and noise. Its P4A tolerance class makes it ideal for applications demanding tight rotational accuracy.

Built for Heavy-Duty Use: 7220 CD/P4ADGB Bearing
This bearing excels in robotics and automation, particularly in robotic arms requiring precise movement. The chrome steel construction and lubricated design ensure long service life even under continuous operation.

Medical vs Industrial: Where 7220 CD/P4ADGB Bearing Excels
While 7220 CD/P4ADGB Bearing performs well in industrial gearboxes, it’s also reliable in medical imaging devices. The open seal type allows for easy lubrication, maintaining performance in sterile environments.

Practical Applications of 7220 CD/P4ADGB Bearing
In aerospace applications, 7220 CD/P4ADGB Bearing handles high-speed rotations in turbine assemblies. Its tandem arrangement option provides extra stability for critical flight components.

Q&A

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