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Super Precision Angular Contact Ball Bearings 7224 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7224 CD/HCP4A

The 7224 CD/HCP4A is a super precision angular contact ball bearing with a 120mm bore and 215mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 44775 lbf and operates smoothly at speeds up to 12000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance, while the open design allows for easy lubrication. The bearing is preloaded for precision applications and works in temperatures from -30°C to 110°C.

This model meets P4 (ABEC-7) tolerance standards, making it ideal for high-precision machinery like CNC spindles or medical equipment. Weighing 4.41kg, it’s robust yet manageable for its size.

Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades in demanding environments.

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Product Parameters

  • Part Number 7224 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 215 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 40 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 15
  • Contact Angle 15°
  • 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 44775 lbf
  • Static Radial Load 43425 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 12000 rpm
  • Weight 4.41 kg
  • Price（$） 155.232
Super Precision Angular Contact Ball Bearings 7224 CD/HCP4A dimension drawing
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Features

Performance Features of 7224 CD/HCP4A Bearing

7224 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and ceramic balls reduce friction, enhancing precision and durability.

With a dynamic radial load capacity of 44775 lbf, it handles high-performance tasks efficiently.

Its phenolic cage ensures smooth operation at speeds up to 12,000 rpm.

Application

Industrial Uses of 7224 CD/HCP4A Bearing
The 7224 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. Its ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In automotive systems, 7224 CD/HCP4A Bearing supports components like electric motors and transmissions, where its phenolic cage provides stability under varying temperatures. The P4 tolerance class ensures consistent performance in demanding conditions.

For medical imaging devices, 7224 CD/HCP4A Bearing’s chrome steel rings and ceramic balls offer reliable operation with minimal noise. Its open design allows for easy lubrication, extending service life in critical applications.

Automation and robotics benefit from 7224 CD/HCP4A Bearing’s ability to handle combined loads in robotic arms and CNC machines. The preload option enhances precision, making it ideal for repetitive tasks.

In consumer electronics, 7224 CD/HCP4A Bearing can be found in high-end printers and scanners, where its low friction and high-speed capability improve efficiency. The metric sizing ensures compatibility with a wide range of devices.

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