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Super Precision Angular Contact Ball Bearings 7220 CD/P4ADFB

Super Precision Angular Contact Ball Bearings 7220 CD/P4ADFB

The 7220 CD/P4ADFB is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 57375 lbf and operates smoothly at speeds up to 16000 RPM.

Its 15° contact angle and matched DF arrangement provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing comes preloaded for light applications, making it easy to install and maintain. It performs reliably in temperatures from -30°C to 110°C, suitable for precision machinery.

Ideal for high-speed applications like machine tool spindles or industrial pumps. Weighing 6.48kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for precise performance.

The open design allows for easy lubrication, ensuring consistent operation over time. Interchangeable with SKF bearings, offering flexibility for replacements or upgrades.

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Product Parameters

  • Part Number 7220 CD/P4ADFB
  • 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 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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/P4ADFB dimension drawing
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Features

Performance Features of 7220 CD/P4ADFB Bearing

7220 CD/P4ADFB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 57,375 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 16,000 rpm.
With a matched arrangement of two bearings, it provides stability and precision in demanding conditions.

7220 CD/P4ADFB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its tight tolerances and light preload contribute to reliable performance in precision tasks.

Application

Industrial Uses of 7220 CD/P4ADFB Bearing
The 7220 CD/P4ADFB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In aerospace components, 7220 CD/P4ADFB Bearing provides reliable performance in gearbox systems, handling both radial and axial loads efficiently. The matched DF arrangement enhances stability in high-speed operations.

For robotics, 7220 CD/P4ADFB Bearing’s phenolic cage and chrome steel construction offer durability in articulated arms. Its open design allows for easy lubrication, extending service life in continuous-use scenarios.

Where Is 7220 CD/P4ADFB Bearing Used?
You’ll find 7220 CD/P4ADFB Bearing in CNC machining centres, where its precision and speed capabilities are crucial for tight tolerances. The 15° contact angle optimises load distribution during heavy cutting operations.

In medical imaging devices, 7220 CD/P4ADFB Bearing ensures smooth rotation in gantry systems. Its temperature stability maintains performance across extended scanning sessions.

Built for Heavy-Duty Use: 7220 CD/P4ADFB Bearing
The 7220 CD/P4ADFB Bearing handles demanding conditions in industrial pumps, with its dynamic radial load capacity of 57,375 lbf. The chrome steel construction resists wear in corrosive environments.

For wind turbine pitch control systems, 7220 CD/P4ADFB Bearing’s matched set design provides consistent performance. Its 16,000 rpm maximum speed suits variable wind conditions.

Automotive vs Aerospace: Applications of 7220 CD/P4ADFB Bearing
In automotive testing equipment, 7220 CD/P4ADFB Bearing supports high-speed dynamometers with minimal friction. The phenolic cage reduces heat buildup during prolonged use.

For aircraft landing gear mechanisms, 7220 CD/P4ADFB Bearing’s precision ensures reliable operation under combined loads. Its metric sizing aligns with international aerospace standards.

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