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Super Precision Angular Contact Ball Bearings 7220 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7220 CD/HCP4A

The 7220 CD/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 35100 lbf and reaches speeds of 14000 RPM, thanks to its ceramic balls and phenolic cage.

With a 15° contact angle, it efficiently manages combined radial and axial loads. The open design allows for easy lubrication, ensuring smooth operation in temperatures from -30°C to 110°C.

This bearing meets P4 tolerance standards (ABEC-7), offering exceptional accuracy for demanding applications. Its matched arrangement and preload options enhance stability in high-performance setups.

Ideal for precision machinery like CNC spindles or high-speed robotics, where reliability and precision are crucial. Weighing 2.64kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings, it’s a versatile choice for replacements or upgrades.

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Product Parameters

  • Part Number 7220 CD/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 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 2.64 kg
  • Price（$） 164.358
Super Precision Angular Contact Ball Bearings 7220 CD/HCP4A dimension drawing
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Features

Performance Features of 7220 CD/HCP4A Bearing

7220 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 14,000 rpm.
With a dynamic radial load capacity of 35,100 lbf, it handles demanding tasks with ease.

7220 CD/HCP4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its precision P4 tolerance class guarantees reliable performance in high-accuracy applications.

The open design allows for easy lubrication, ensuring long service life.
This bearing is ideal for applications requiring both speed and precision.

Application

Key Fields for 7220 CD/HCP4A Bearing
7220 CD/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 ideal for high-speed operations.

In aerospace applications, 7220 CD/HCP4A Bearing handles both radial and axial loads in components like jet engine shafts. Its phenolic cage offers stability even under extreme temperature variations.

For robotics, 7220 CD/HCP4A Bearing provides smooth motion control in articulated arms and joints. The P4 tolerance class guarantees consistent performance in repetitive tasks.

Automotive vs Aerospace: Applications of 7220 CD/HCP4A Bearing
In automotive systems, 7220 CD/HCP4A Bearing supports gearbox shafts with its balanced load capacity. The lubricated design ensures longevity even in demanding driving conditions.

Aerospace applications benefit from 7220 CD/HCP4A Bearing’s lightweight ceramic balls and high-speed capabilities. Its matched arrangement option allows for precise alignment in critical flight components.

What Makes 7220 CD/HCP4A Bearing a Preferred Choice?
7220 CD/HCP4A Bearing is a go-to for medical imaging devices due to its quiet operation and minimal vibration. The chrome steel rings provide durability in continuous-use environments.

In industrial automation, 7220 CD/HCP4A Bearing excels in conveyor systems and robotic arms. Its open seal design simplifies maintenance while maintaining performance standards.

Q&A

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