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Super Precision Angular Contact Ball Bearings 7220 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 7220 ACDGB/P4A

The 7220 ACDGB/P4A 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 33300 lbf and operates smoothly at speeds up to 16000 RPM.

With a 25° contact angle and light preload, it offers excellent accuracy for high-performance applications. The open design allows for easy lubrication, while the phenolic cage ensures quiet and efficient operation.

This bearing is ideal for machine tools or spindle systems where precision and reliability are key. It can be arranged back-to-back, face-to-face, or tandem to suit different load requirements.

Weighing 3.24kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7220 ACDGB/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 25°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 33300 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 3.24 kg
  • Price（$） 245.925
Super Precision Angular Contact Ball Bearings 7220 ACDGB/P4A dimension drawing
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Features

Performance Features of 7220 ACDGB/P4A Bearing

7220 ACDGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel construction ensures durability and resistance to wear under high dynamic radial loads of 33,300 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 tasks.

Why Choose 7220 ACDGB/P4A Bearing for Precision Tasks?

7220 ACDGB/P4A Bearing’s P4A tolerance class guarantees exceptional precision, making it ideal for high-accuracy applications.

The open design allows for easy lubrication, ensuring consistent performance over time.

Its universal matching capability enables flexible configurations like back-to-back or face-to-face arrangements.

The bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for varied environments.

Engineered for Precision: 7220 ACDGB/P4A Bearing

7220 ACDGB/P4A Bearing features 15 chrome steel balls, each 25.4 mm in diameter, ensuring balanced load distribution.

The light preload (Class B) minimises vibration, enhancing stability in high-speed operations.

Its metric dimensions (100 mm×180 mm×34 mm) make it compatible with standard industrial equipment.

Weighing 3.24 kg, it offers a robust yet manageable solution for demanding applications.

Application

Industrial Uses of 7220 ACDGB/P4A Bearing
7220 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

What Industries Rely on 7220 ACDGB/P4A Bearing?
In the automotive sector, 7220 ACDGB/P4A Bearing supports high-speed applications like turbochargers and electric motor shafts. Its light preload and P4A tolerance class enhance performance in demanding conditions.

Optimized for Performance: 7220 ACDGB/P4A Bearing
For robotics and automation, 7220 ACDGB/P4A Bearing provides reliable angular contact support in robotic arms and CNC machines. The chrome steel construction ensures durability even under continuous use.

Medical vs Industrial: Where 7220 ACDGB/P4A Bearing Excels
In medical imaging devices, 7220 ACDGB/P4A Bearing offers smooth and quiet operation, critical for diagnostic accuracy. Its high-speed capability also makes it a fit for industrial pumps and compressors.

Practical Applications of 7220 ACDGB/P4A Bearing
7220 ACDGB/P4A Bearing is ideal for aerospace applications, such as helicopter rotor systems, due to its precision and load-handling capacity. The open design allows for easy lubrication and maintenance.

Q&A

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