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Super Precision Angular Contact Ball Bearings 7009 ACE/P4A

Super Precision Angular Contact Ball Bearings 7009 ACE/P4A

The 7009 ACE/P4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel for reliable performance.

This bearing handles dynamic radial loads up to 2722 lbf and spins smoothly at speeds up to 37,000 RPM. Its phenolic cage ensures stability and reduces friction during operation.

The open design allows easy lubrication, while the P4 tolerance class ensures precise movement. It works well in temperatures from -30°C to 110°C.

Ideal for machine tools or high-speed spindles where precision and speed are crucial. Weighing just 0.24kg, it’s lightweight yet robust for demanding applications.

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Product Parameters

  • Part Number 7009 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 37000 rpm
  • Weight 0.24 kg
  • Price（$） 231.93
Super Precision Angular Contact Ball Bearings 7009 ACE/P4A dimension drawing
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Features

Performance Features of 7009 ACE/P4A Bearing

7009 ACE/P4A Bearing is crafted with chrome steel rings and 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 maximum speed of 37,000 rpm, it excels in high-speed applications.

How Is 7009 ACE/P4A Bearing Engineered for Reliability?

7009 ACE/P4A Bearing features a P4 tolerance class, providing exceptional precision for demanding tasks.
The chrome steel construction resists wear, ensuring long service life even under heavy loads.
Its open design allows for easy lubrication, maintaining smooth operation.
The bearing operates efficiently within a temperature range of -30° to 110°C.

Built for Reliability: 7009 ACE/P4A Bearing

7009 ACE/P4A Bearing’s dynamic radial load capacity of 2722 lbf makes it suitable for rigorous applications.
The phenolic cage material reduces noise, ideal for precision instruments.
Its 21-ball design ensures even load distribution, minimising wear.
The bearing’s preload availability enhances stability in high-speed operations.

Steel vs Ceramic Bearings: Strengths of 7009 ACE/P4A Bearing

7009 ACE/P4A Bearing uses chrome steel for both rings and balls, offering a balance of strength and affordability.
The material choice ensures excellent resistance to wear and fatigue.
With a static radial load capacity of 1834 lbf, it performs reliably under pressure.
The bearing’s design is optimised for precision and longevity.

Application

Key Fields for 7009 ACE/P4A Bearing
In machine tools, 7009 ACE/P4A Bearing handles high-speed spindle operations with its 25° contact angle, ensuring smooth rotation under radial loads. The P4 tolerance class makes it suitable for precision applications where minimal runout is required.

Where Is 7009 ACE/P4A Bearing Used?
Automotive applications like electric motor shafts benefit from 7009 ACE/P4A Bearing’s phenolic cage, which reduces friction at high RPMs. Its chrome steel construction also withstands the demanding conditions of hybrid vehicle systems.

Built for Heavy-Duty Use: 7009 ACE/P4A Bearing
Industrial pumps rely on 7009 ACE/P4A Bearing for its ability to manage combined loads in harsh environments. The open design simplifies relubrication, extending service life in continuous operation scenarios.

Medical vs Industrial: Where 7009 ACE/P4A Bearing Excels
While 7009 ACE/P4A Bearing performs well in medical centrifuges due to its low vibration, it’s equally effective in packaging machinery where rapid direction changes occur. The 37,000 rpm rating accommodates diverse speed requirements.

Perfect Fit for Automation: 7009 ACE/P4A Bearing
Robotic arms use 7009 ACE/P4A Bearing for its preload capability, maintaining positional accuracy during repetitive movements. The metric dimensions ensure easy integration with European automation components.

Q&A

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