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Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4A

The 7009 ACE/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, with dynamic radial load capacity up to 2722 lbf.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 45,000 RPM. The phenolic cage reduces friction and wear, while the open design allows for easy lubrication.

This bearing comes with a P4 tolerance class (ABEC-7), ensuring exceptional accuracy for precision machinery. It performs reliably in temperatures ranging from -30°C to 110°C.

Ideal for CNC spindles, grinding machines, or other high-speed equipment where precision is critical. Weighing just 0.22kg, it combines lightweight design with robust performance.

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Product Parameters

  • Part Number 7009 ACE/HCP4A
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 45000 rpm
  • Weight 0.22 kg
  • Price（$） 23.751
Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4A dimension drawing
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Features

Why Choose 7009 ACE/HCP4A Bearing for Precision Tasks?

7009 ACE/HCP4A Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure minimal friction and enhanced durability.

With a dynamic radial load capacity of 2722 lbf, it handles demanding operations effortlessly.
The phenolic cage maintains ball alignment, reducing wear and extending service life.

Operating at speeds up to 45,000 rpm, it delivers reliable performance in various conditions.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

The open design allows for easy lubrication, ensuring smooth operation over time.
7009 ACE/HCP4A Bearing’s compact size (45 mm×75 mm×16 mm) fits seamlessly into precision systems.

Application

Common Applications of 7009 ACE/HCP4A Bearing
7009 ACE/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

In robotics, 7009 ACE/HCP4A Bearing supports articulated arms, providing stability and load handling for repetitive movements. Its phenolic cage offers lightweight durability, suitable for automated systems.

For aerospace components, 7009 ACE/HCP4A Bearing’s P4 tolerance class guarantees reliability in navigation systems and actuators. The open design allows for easy lubrication, extending service life in demanding conditions.

Where Is 7009 ACE/HCP4A Bearing Used?
You’ll often find 7009 ACE/HCP4A Bearing in electric motors, where its high-speed capability and low heat generation are key. The 25° contact angle helps manage both radial and axial loads efficiently.

In medical imaging devices, 7009 ACE/HCP4A Bearing ensures quiet and precise movement, critical for accurate diagnostics. The chrome steel rings provide long-term wear resistance, even in sterile environments.

Built for Heavy-Duty Use: 7009 ACE/HCP4A Bearing
7009 ACE/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. Its lubricated design reduces maintenance needs, perfect for continuous operation.

For CNC machinery, 7009 ACE/HCP4A Bearing’s preload option enhances rigidity, improving cutting accuracy. The metric dimensions make it a versatile choice for global equipment standards.

Automotive vs Aerospace: Applications of 7009 ACE/HCP4A Bearing
In automotive transmissions, 7009 ACE/HCP4A Bearing supports gear shifts with minimal friction. Its ceramic balls help withstand high RPMs, common in performance vehicles.

For aerospace actuators, 7009 ACE/HCP4A Bearing’s precision ensures reliable control surfaces. The phenolic cage resists wear, even under extreme temperature fluctuations.

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