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Super Precision Angular Contact Ball Bearings 7220 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7220 CDGA/P4A

The 7220 CDGA/P4A 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 angular contact loads, handling up to 35100 lbf dynamically.

With a phenolic cage and open design, it offers smooth operation at speeds up to 16250 RPM. The bearing comes preloaded extra light (Class A) for precise performance in demanding applications.

This model is universal matching, allowing arrangements like back-to-back, face-to-face, or tandem setups. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

Ideal for high-precision machinery like spindles or CNC equipment where accuracy and speed are crucial. Weighing 3.24kg, it’s robust yet suitable for precision applications requiring P4A tolerance class.

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Product Parameters

  • Part Number 7220 CDGA/P4A
  • 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 Chrome Steel
  • 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 3.24 kg
Super Precision Angular Contact Ball Bearings 7220 CDGA/P4A dimension drawing
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Features

Performance Features of 7220 CDGA/P4A Bearing

7220 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 35,100 lbf, 7220 CDGA/P4A Bearing handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.

7220 CDGA/P4A Bearing operates smoothly at speeds up to 16,250 rpm, balancing performance and longevity.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Key Fields for 7220 CDGA/P4A Bearing
In machine tools, 7220 CDGA/P4A Bearing ensures high precision during operations like milling and grinding, thanks to its P4A tolerance class. The 15° contact angle helps manage combined radial and axial loads smoothly.

Where Is 7220 CDGA/P4A Bearing Used?
You’ll often find 7220 CDGA/P4A Bearing in automotive transmissions, where its extra-light preload reduces friction and improves efficiency. Its phenolic cage also dampens vibrations for quieter performance.

Optimized for Performance: 7220 CDGA/P4A Bearing
For robotics, 7220 CDGA/P4A Bearing offers reliable motion control in joints and arms, with its chrome steel construction handling repetitive movements. The open design allows easy lubrication for long service life.

Medical vs Industrial: Where 7220 CDGA/P4A Bearing Excels
In medical imaging devices, 7220 CDGA/P4A Bearing provides smooth rotation for accurate scans, while in industrial pumps, it withstands high speeds up to 16,250 rpm. The universal matching feature adds flexibility for complex setups.

Q&A

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