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Super Precision Angular Contact Ball Bearings 7009 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 7009 ACEGA/HCP4A

The 7009 ACEGA/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 2722 lbf and spins at impressive speeds up to 46,000 RPM.

Its 25° contact angle and extra light preload ensure smooth operation, while the phenolic cage adds durability. The open design allows for easy lubrication and maintenance.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.22kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number 7009 ACEGA/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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 2722 lbf
  • Static Radial Load 1834 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 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 7009 ACEGA/HCP4A Bearing

7009 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 2722 lbf, it suits demanding applications.

7009 ACEGA/HCP4A Bearing operates smoothly at speeds up to 46,000 rpm.
Its extra light preload ensures minimal resistance, ideal for precision tasks.

The open design facilitates easy lubrication, extending service life.
Temperature resistance from -30°C to 110°C makes it versatile in various environments.

Application

Key Fields for 7009 ACEGA/HCP4A Bearing
7009 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation in precision grinding applications.

In robotics, 7009 ACEGA/HCP4A Bearing supports articulated arms, providing stability during rapid directional changes. Its P4A tolerance class makes it ideal for tasks requiring repeatable accuracy.

For aerospace components, 7009 ACEGA/HCP4A Bearing handles angular loads in control systems, thanks to its 25° contact angle. The chrome steel rings offer durability in demanding flight conditions.

Automotive testing equipment benefits from 7009 ACEGA/HCP4A Bearing’s high-speed capability, ensuring reliable performance in dyno applications. The lubricated design extends service life even under continuous use.

In dental drill handpieces, 7009 ACEGA/HCP4A Bearing’s ceramic balls provide quiet operation essential for patient comfort. The metric dimensions allow easy integration with European-manufactured medical devices.

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