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Super Precision Angular Contact Ball Bearings 7220 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7220 ACD/HCP4A

The 7220 ACD/HCP4A 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 ceramic balls ensure smooth operation under heavy radial loads up to 33300 lbf.

Made from chrome steel with a phenolic cage, this bearing can handle speeds up to 13000 RPM. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

With a P4 tolerance class, it offers exceptional accuracy for precision machinery. The bearing works reliably in temperatures from -30°C to 110°C, making it suitable for industrial equipment.

Weighing 2.64kg, it’s robust yet manageable for its size. Ideal for use in machine tools or high-speed spindles where precision and durability are key.

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Product Parameters

  • Part Number 7220 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 34 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 33300 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13000 rpm
  • Weight 2.64 kg
  • Price（$） 164.385
Super Precision Angular Contact Ball Bearings 7220 ACD/HCP4A dimension drawing
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Features

Performance Features of 7220 ACD/HCP4A Bearing

7220 ACD/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 33,300 lbf, it handles demanding conditions effectively.
Its phenolic cage ensures smooth operation at high speeds, up to 13,000 rpm.

The P4 tolerance class guarantees precision, making it suitable for high-accuracy tasks.
Lubrication is pre-applied, ensuring ready-to-use convenience and extended service life.

Application

Common Applications of 7220 ACD/HCP4A Bearing
7220 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In robotics, 7220 ACD/HCP4A Bearing provides smooth motion control for articulated arms and automated systems. Its phenolic cage offers lightweight durability, ideal for repetitive movements.

For aerospace applications, 7220 ACD/HCP4A Bearing handles radial and axial loads in aircraft components. The P4 tolerance class ensures reliability in demanding flight conditions.

Medical imaging devices benefit from 7220 ACD/HCP4A Bearing’s quiet operation and precision. The chrome steel rings and ceramic balls maintain performance in sensitive diagnostic equipment.

In electric vehicle motors, 7220 ACD/HCP4A Bearing supports high-speed rotation with minimal energy loss. Its lubricated design extends service life, reducing maintenance needs.

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