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Super Precision Angular Contact Ball Bearings 7220 CD/P4A

Super Precision Angular Contact Ball Bearings 7220 CD/P4A

The 7220 CD/P4A is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 35100 lbf and operates smoothly at speeds up to 12000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction, while the P4 tolerance class guarantees precision.

This bearing is suitable for high-speed machinery like spindles or CNC equipment, where accuracy is crucial. It works within a temperature range of -30°C to 110°C.

Weighing 3.24kg, it’s robust yet manageable for its size. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Ideal for industrial settings demanding precision and reliability.

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Product Parameters

  • Part Number 7220 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 34 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 3.24 kg
  • Price（$） 164.187
Super Precision Angular Contact Ball Bearings 7220 CD/P4A dimension drawing
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Features

Why Choose 7220 CD/P4A Bearing for Precision Tasks?

7220 CD/P4A Bearing features a 15° contact angle, designed for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 35,100 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 12,000 rpm, it suits high-speed machinery while maintaining precision.

7220 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees consistent accuracy for demanding tasks.

Application

Key Fields for 7220 CD/P4A Bearing
In precision machine tools, 7220 CD/P4A Bearing excels due to its 15° contact angle and P4 tolerance, ensuring smooth operation during high-speed milling. The phenolic cage reduces friction, making it ideal for long-duration tasks.

How Does 7220 CD/P4A Bearing Support High-Speed Operations?
With a max speed of 12,000 rpm, 7220 CD/P4A Bearing is commonly used in spindle applications where stability is key. Its chrome steel construction handles dynamic radial loads up to 35,100 lbf without compromising accuracy.

Built for Heavy-Duty Use: 7220 CD/P4A Bearing
This bearing’s robust design suits industrial gearboxes, where angular contact efficiently manages combined loads. The open seal allows easy relubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 7220 CD/P4A Bearing
In automotive transmissions, 7220 CD/P4A Bearing offers reliable performance under radial and axial stresses. For aerospace, its precision and temperature resilience make it suitable for auxiliary power units and rotor systems.

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