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Super Precision Angular Contact Ball Bearings 7220 ACDGD/P4A

Super Precision Angular Contact Ball Bearings 7220 ACDGD/P4A

The 7220 ACDGD/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 25° contact angle and is designed for heavy preload applications, offering excellent radial load capacity up to 33300 lbf.

With a maximum speed of 16000 RPM, this bearing operates smoothly in temperatures ranging from -30°C to 110°C. Its phenolic cage ensures durability and quiet operation, while the open design allows for easy lubrication.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision machinery like CNC spindles or grinding machines where accuracy and reliability are crucial.

Weighing 3.24kg, it’s a robust choice for demanding applications. Compliant with P4A tolerance standards, it ensures consistent performance under heavy loads.

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Product Parameters

  • Part Number 7220 ACDGD/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 Heavy / Class D
  • 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
Super Precision Angular Contact Ball Bearings 7220 ACDGD/P4A dimension drawing
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Features

Performance Features of 7220 ACDGD/P4A Bearing

7220 ACDGD/P4A Bearing is crafted with chrome steel rings and balls, ensuring high strength and durability.
Its 25° contact angle provides excellent angular contact performance for precise applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 33,300 lbf, it handles demanding conditions reliably.

7220 ACDGD/P4A Bearing operates efficiently at speeds up to 16,000 rpm, balancing speed and stability.
Its P4A tolerance class ensures high precision, making it suitable for critical machinery.

The open design allows for easy lubrication, extending maintenance intervals.
It performs consistently within a temperature range of -30°C to 110°C, adapting to various environments.

With a matched set option, 7220 ACDGD/P4A Bearing offers flexibility for complex mounting arrangements.
Its universal matching capability supports back-to-back, face-to-face, or tandem configurations.

Application

Industrial Uses of 7220 ACDGD/P4A Bearing
7220 ACDGD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The heavy preload ensures stability during demanding operations.

In automotive applications, 7220 ACDGD/P4A Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage reduces friction, enhancing performance under extreme conditions.

For robotics, 7220 ACDGD/P4A Bearing provides the necessary precision for smooth movement in articulated arms. The P4A tolerance class guarantees consistent accuracy in repetitive tasks.

Medical imaging devices benefit from 7220 ACDGD/P4A Bearing’s reliable operation and low noise levels. The chrome steel construction ensures durability in critical healthcare environments.

In aerospace systems, 7220 ACDGD/P4A Bearing’s ability to handle high speeds and loads makes it suitable for flight control mechanisms. The open design allows for easy lubrication and maintenance.

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