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Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBA

The 7220 ACD/P4ADBA 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 54450 lbf and operates smoothly at speeds up to 16000 RPM.

Its 25° contact angle and matched DB arrangement provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing comes pre-lubricated and works well in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing 6.48kg, it’s a robust choice for industrial use, meeting P4A tolerance standards for exceptional accuracy. The set includes two matched bearings for balanced performance.

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Product Parameters

  • Part Number 7220 ACD/P4ADBA
  • 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 Extra light / Class A
  • 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
Super Precision Angular Contact Ball Bearings 7220 ACD/P4ADBA dimension drawing
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Features

Performance Features of 7220 ACD/P4ADBA Bearing

7220 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls ensure durability and resistance to wear under high radial loads.
With a dynamic radial load capacity of 54,450 lbf, it performs reliably in demanding conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.
Its extra light preload (Class A) ensures smooth operation at speeds up to 16,000 rpm.
The matched arrangement of two bearings (DB) provides stability for angular contact loads.
Operating between -30°C to 110°C, it adapts to various environmental conditions.
The P4A tolerance class guarantees high precision for critical applications.

Application

Industrial Uses of 7220 ACD/P4ADBA Bearing
The 7220 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its extra light preload makes it suitable for applications demanding minimal friction.

In automotive systems, 7220 ACD/P4ADBA Bearing supports components like wheel hubs and transmissions, providing stability under angular loads. The matched arrangement of two bearings enhances performance in demanding driving conditions.

For robotics, 7220 ACD/P4ADBA Bearing’s phenolic cage and chrome steel construction offer durability in articulated arms and joints. Its high-speed capability makes it ideal for automated production lines.

In medical imaging devices, 7220 ACD/P4ADBA Bearing’s precision and low vibration contribute to clear, reliable scans. The P4A tolerance class ensures consistent performance in sensitive equipment.

For aerospace applications, 7220 ACD/P4ADBA Bearing handles both radial and axial loads in aircraft components. Its temperature range and lubrication compatibility make it a dependable choice for various flight conditions.

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