Super Precision Angular Contact Ball Bearings 7220 CD/P4AQFCD

The 7220 CD/P4AQFCD is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It handles heavy radial loads up to 92250 lbf and operates smoothly at speeds up to 16000 RPM.

Its 15° contact angle and matched arrangement of four bearings provide excellent stability under angular loads. The phenolic cage ensures durability and quiet operation, even at high speeds.

This bearing comes preloaded for heavy-duty applications, making it ideal for machine tools or precision spindles. It performs reliably in temperatures ranging from -30°C to 110°C.

Weighing 13kg, it’s a robust choice for industrial settings. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Perfect for applications demanding high precision and load capacity.

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Description

Features

Application

Q&A

Product Parameters

Part Number 7220 CD/P4AQFCD
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 136 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 4 bearings >><< QFC
Number Of Bearings In Matched Set 4
Universal Matching Bearing No
Preload Heavy / Class D
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Phenolic
Dynamic Radial Load 92250 lbf
Static Radial Load 121500 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 16000 rpm
Weight 13 kg

Super Precision Angular Contact Ball Bearings 7220 CD/P4AQFCD dimension drawing

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Features

Performance Features of 7220 CD/P4AQFCD Bearing

7220 CD/P4AQFCD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 92,250 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it delivers reliable performance in precision settings.

7220 CD/P4AQFCD Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its heavy preload class D design ensures stability and precision in demanding conditions.

The matched arrangement of four bearings provides consistent performance in complex setups.
Lubrication is pre-applied, simplifying initial installation and reducing maintenance needs.

Application

Industrial Uses of 7220 CD/P4AQFCD Bearing
The 7220 CD/P4AQFCD Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. Its heavy preload ensures stability during demanding operations.

In aerospace applications, 7220 CD/P4AQFCD Bearing supports critical components like turbine shafts, thanks to its phenolic cage and chrome steel construction. The matched arrangement of four bearings enhances performance in complex systems.

For automation equipment, 7220 CD/P4AQFCD Bearing’s P4A tolerance class makes it ideal for robotic arms requiring exact positioning. The open seal design allows for easy lubrication, extending service life in continuous-use scenarios.