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Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ALDGA

Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ALDGA

The 7009 ACE/HCP4ALDGA is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 4478 lbf and spins at speeds up to 46,000 RPM, thanks to its phenolic cage and extra-light preload. It works in temperatures from -30°C to 110°C, making it versatile for various conditions.

Designed for universal matching, it can be arranged back-to-back, face-to-face, or tandem. Ideal for high-precision applications like machine tools or spindles where accuracy and speed are crucial.

Weighing 0.45kg, it comes as a matched set of two bearings, ensuring balanced performance. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number 7009 ACE/HCP4ALDGA
  • 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 32 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 Universal matching
  • 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 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.45 kg
Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ALDGA dimension drawing
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Features

Performance Features of 7009 ACE/HCP4ALDGA Bearing

7009 ACE/HCP4ALDGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its dynamic radial load capacity of 4478 lbf makes it suitable for precision applications requiring durability.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 46,000 rpm, it excels in demanding environments.

How Is 7009 ACE/HCP4ALDGA Bearing Engineered for Reliability?

7009 ACE/HCP4ALDGA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.
Its extra light preload ensures minimal friction, contributing to longer service life.
The P4A tolerance class guarantees high precision in every rotation.

Designed for Durability: 7009 ACE/HCP4ALDGA Bearing

7009 ACE/HCP4ALDGA Bearing operates efficiently within a temperature range of -30°C to 110°C, making it versatile for various conditions.
The ceramic balls reduce wear and tear, even at high speeds.
Its lubricated design ensures consistent performance with minimal maintenance.
The 21-ball configuration enhances load distribution, improving overall reliability.

Steel vs Ceramic Bearings: Strengths of 7009 ACE/HCP4ALDGA Bearing

7009 ACE/HCP4ALDGA Bearing combines chrome steel rings with ceramic balls, offering a balance of strength and reduced friction.
This hybrid design excels in high-speed applications, reaching up to 46,000 rpm.
The phenolic cage provides stability, ensuring smooth operation.
Its universal matching capability allows for versatile installation options.

Application

Industrial Uses of 7009 ACE/HCP4ALDGA Bearing
7009 ACE/HCP4ALDGA Bearing is commonly used in high-speed machine tools, where its super precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In automotive systems, 7009 ACE/HCP4ALDGA Bearing supports components like electric motors and gearboxes, thanks to its universal matching feature. The extra light preload enhances efficiency, particularly in high-performance vehicles.

For medical imaging devices, 7009 ACE/HCP4ALDGA Bearing’s phenolic cage and chrome steel rings provide reliable, low-noise operation. Its P4A tolerance class ensures consistent performance in critical diagnostic equipment.

Automation & Robotics: Where 7009 ACE/HCP4ALDGA Bearing Excels
7009 ACE/HCP4ALDGA Bearing is a top choice for robotic arms, offering high-speed capability and precision. The tandem arrangement option allows for flexible configurations in automated systems.

In consumer electronics like high-end printers, 7009 ACE/HCP4ALDGA Bearing’s lightweight design and low friction contribute to quieter operation. Its temperature range also ensures stability in prolonged use.

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