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Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBC
Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBC

The 7220 ACD/P4ADBC is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, designed for high-performance applications. Its 25° contact angle and moderate preload ensure smooth operation under radial loads up to 54450 lbf.

Made from durable chrome steel with a phenolic cage, it spins efficiently at speeds up to 16000 RPM. The open design allows for easy lubrication, while the matched pair arrangement (DB) provides stability in demanding setups.

This bearing is ideal for machine tools or high-speed spindles where precision is key. It operates reliably in temperatures from -30°C to 110°C and meets P4A tolerance standards for accuracy.

Weighing 6.48kg, it’s a robust choice for industrial use. Compatible with SKF bearings, it offers a practical replacement option.

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Product Parameters

  • Part Number 7220 ACD/P4ADBC
  • 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 68 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 54450 lbf
  • Static Radial Load 58500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 6.48 kg

Features

Performance Features of 7220 ACD/P4ADBC Bearing

7220 ACD/P4ADBC Bearing is designed with a 25° 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.

The matched arrangement of two bearings provides balanced performance, suitable for moderate preload conditions.
With a dynamic radial load capacity of 54450 lbf, it handles demanding operations with ease.

7220 ACD/P4ADBC Bearing operates smoothly at speeds up to 16,000 rpm, maintaining precision in high-speed applications.
Its P4A tolerance class guarantees consistent performance, even under stringent requirements.

The open design allows for easy lubrication, ensuring long service life and minimal maintenance.
Its temperature range of -30°C to 110°C makes it adaptable to various working environments.

Application

Industrial Uses of 7220 ACD/P4ADBC Bearing
7220 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under heavy radial and axial loads.

In robotics, 7220 ACD/P4ADBC Bearing supports articulated arms, offering smooth movement and long service life. Its phenolic cage reduces friction, making it ideal for high-speed applications.

For aerospace components, 7220 ACD/P4ADBC Bearing handles the demanding conditions of flight control systems. The P4A tolerance class guarantees consistent performance in critical environments.

Automotive vs Aerospace: Applications of 7220 ACD/P4ADBC Bearing
In automotive transmissions, 7220 ACD/P4ADBC Bearing ensures precise gear shifting with its moderate preload. The chrome steel construction withstands the rigours of daily driving.

Aerospace systems rely on 7220 ACD/P4ADBC Bearing for its ability to maintain accuracy under extreme conditions. The matched set design is particularly useful in aircraft landing gear mechanisms.

Built for Heavy-Duty Use: 7220 ACD/P4ADBC Bearing
7220 ACD/P4ADBC Bearing excels in industrial pumps, where its dynamic load capacity keeps operations running smoothly. The open seal type allows for easy lubrication and maintenance.

In wind turbines, 7220 ACD/P4ADBC Bearing handles the variable loads of rotor blades. Its high-speed capability ensures efficient energy generation even in harsh weather conditions.

Q&A

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