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Super Precision Angular Contact Ball Bearings 7009 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 7009 CEGA/HCP4A

The 7009 CEGA/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 2925 lbf.

With a maximum speed of 46,000 RPM, this bearing is designed for high-performance applications. The phenolic cage adds durability while keeping the weight light at just 0.22kg.

The open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision.

Ideal for machine tools or high-speed spindles, this bearing can be matched in sets of three for back-to-back, face-to-face, or tandem arrangements. It’s also interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 7009 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.22 kg
  • Price（$） 144.27
Super Precision Angular Contact Ball Bearings 7009 CEGA/HCP4A dimension drawing
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Features

Performance Features of 7009 CEGA/HCP4A Bearing

7009 CEGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision in high-speed operations.

The phenolic cage maintains ball alignment, ensuring smooth rotation even at speeds up to 46,000 rpm.
With a dynamic radial load capacity of 2925 lbf, it handles demanding tasks reliably.

7009 CEGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.
Its P4A tolerance class guarantees consistent performance in precision applications.

The open design allows for easy lubrication, reducing maintenance needs.
Weighing just 0.22 kg, it offers a balance of strength and lightweight construction.

Application

Industrial Uses of 7009 CEGA/HCP4A Bearing
7009 CEGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise rotation, making it ideal for CNC machining centres.

In automotive applications, 7009 CEGA/HCP4A Bearing supports electric motor shafts, providing smooth operation under angular loads. Its extra-light preload helps maintain efficiency in hybrid and electric vehicle systems.

For robotics, 7009 CEGA/HCP4A Bearing’s lightweight design and high-speed capability make it suitable for articulated arms and precision joints. The open seal allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 7009 CEGA/HCP4A Bearing’s low vibration and quiet performance. The chrome steel rings and ceramic balls ensure reliability in sensitive diagnostic equipment.

In aerospace, 7009 CEGA/HCP4A Bearing is used in auxiliary power units, where its temperature stability and high-speed tolerance are critical. The universal matching option simplifies installation in complex assemblies.

Q&A

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