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Super Precision Angular Contact Ball Bearings 7009 ACE/P4ADBB

Super Precision Angular Contact Ball Bearings 7009 ACE/P4ADBB

The 7009 ACE/P4ADBB is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4478 lbf and spins smoothly at speeds up to 46,000 RPM.

With a 25° contact angle and light preload, it offers precise performance for demanding applications. The phenolic cage ensures quiet operation and long service life.

This matched set of two bearings in a DB arrangement provides excellent stability under angular loads. Ideal for high-speed machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.48kg, it operates in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7009 ACE/P4ADBB
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 0.48 kg
Super Precision Angular Contact Ball Bearings 7009 ACE/P4ADBB dimension drawing
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Features

Performance Features of 7009 ACE/P4ADBB Bearing

7009 ACE/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4478 lbf.

The phenolic cage in 7009 ACE/P4ADBB Bearing reduces friction and noise, making it suitable for high-speed applications.
With a maximum speed of 46,000 rpm, it delivers reliable performance in precision tasks.

7009 ACE/P4ADBB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its matched arrangement of two bearings provides stability and consistent performance.

The light preload class B of 7009 ACE/P4ADBB Bearing ensures minimal vibration and enhanced precision.
Its open design allows for easy lubrication, maintaining optimal performance over time.

7009 ACE/P4ADBB Bearing’s P4A tolerance class guarantees high accuracy and reliability.
Its compact size and lightweight design make it ideal for space-constrained applications.

Application

Industrial Uses of 7009 ACE/P4ADBB Bearing
7009 ACE/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload and matched arrangement reduce vibration, improving surface finish in machining operations.

In automotive applications, 7009 ACE/P4ADBB Bearing supports gearbox systems, handling both radial and axial loads efficiently. Its phenolic cage offers quiet operation, making it suitable for electric vehicle drivetrains.

For robotics, 7009 ACE/P4ADBB Bearing provides reliable performance in articulated arms, where smooth motion and low friction are essential. The P4A tolerance class ensures consistent positioning accuracy in automated systems.

Medical imaging devices benefit from 7009 ACE/P4ADBB Bearing’s stable rotation and low heat generation. The chrome steel construction maintains performance in sterile environments, meeting strict hygiene standards.

In aerospace applications, 7009 ACE/P4ADBB Bearing is used in actuator systems, where its high-speed capability and durability are critical. The matched bearing set simplifies installation, reducing maintenance downtime.

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