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Super Precision Angular Contact Ball Bearings S7009 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings S7009 CEGA/HCP4A

The S7009 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 compact 16mm width makes it suitable for tight spaces, while the ceramic balls enhance performance.

Designed for angular contact loads, it handles dynamic radial loads up to 2925 lbf and spins smoothly at speeds up to 41,000 RPM. The sealed design keeps grease in and contaminants out, ensuring long-lasting operation.

With a phenolic cage and P4A tolerance class, this bearing offers excellent precision and durability. It works well in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for high-speed applications like machine tools or spindles, this model is interchangeable with SKF bearings. Weighing just 0.23kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number S7009 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 Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings S7009 CEGA/HCP4A dimension drawing
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Features

Performance Features of S7009 CEGA/HCP4A Bearing

S7009 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.

Its 15° contact angle provides excellent angular contact performance, suitable for various load directions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 41,000 rpm, it excels in high-speed applications while maintaining reliability.

How Does S7009 CEGA/HCP4A Bearing Reduce Friction?

S7009 CEGA/HCP4A Bearing uses ceramic balls and a phenolic cage to minimise friction during operation.

The grease lubrication ensures consistent performance, even at high speeds up to 41,000 rpm.

Its precision design with P4A tolerance class guarantees smooth and efficient motion.

The combination of materials reduces wear, extending the bearing’s service life.

Engineered for Precision: S7009 CEGA/HCP4A Bearing

S7009 CEGA/HCP4A Bearing is designed for super precision applications with a P4A tolerance class.

The ceramic balls and chrome steel rings provide excellent load capacity and durability.

Its sealed design protects against contaminants, ensuring reliable performance in various environments.

The extra light preload enhances accuracy, making it ideal for high-precision machinery.

Steel vs Ceramic Bearings: Strengths of S7009 CEGA/HCP4A Bearing

S7009 CEGA/HCP4A Bearing combines chrome steel rings with ceramic balls for superior performance.

This hybrid design offers reduced friction and increased speed capabilities up to 41,000 rpm.

The phenolic cage further enhances durability and maintains precise ball alignment.

It provides an excellent balance between strength and precision for demanding applications.

Application

Industrial Uses of S7009 CEGA/HCP4A Bearing
S7009 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-term performance in demanding environments.

In robotics, S7009 CEGA/HCP4A Bearing provides smooth motion control for precision arms and joints, thanks to its angular contact design. The extra-light preload helps maintain accuracy during repetitive movements.

For medical imaging devices, S7009 CEGA/HCP4A Bearing’s P4A tolerance class ensures minimal vibration and noise. Its grease lubrication and wide temperature range make it suitable for sensitive equipment requiring consistent operation.

Automotive vs Aerospace: Applications of S7009 CEGA/HCP4A Bearing
In automotive systems, S7009 CEGA/HCP4A Bearing supports high-speed spindles in electric vehicle motors, where its ceramic balls enhance efficiency. The metric sizing ensures compatibility with global designs.

Aerospace applications benefit from S7009 CEGA/HCP4A Bearing’s lightweight construction and ability to handle radial and axial loads. Its temperature stability makes it reliable in varying flight conditions.

Q&A

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