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Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4A

The 7009 ACD/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 6210 lbf, it handles high speeds up to 32,000 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing comes in a P4 tolerance class, offering exceptional accuracy for demanding applications. It’s ideal for precision machinery like CNC spindles or high-speed robotics.

Weighing just 0.2kg, it’s lightweight yet robust. Compatible with SKF models, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 7009 ACD/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 9.525 mm
  • Ball Qty 17
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6210 lbf
  • Static Radial Load 4860 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.2 kg
  • Price（$） 231.219
Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4A dimension drawing
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Features

Performance Features of 7009 ACD/HCP4A Bearing

7009 ACD/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation at high speeds, up to 32,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear during operation.
With a dynamic radial load capacity of 6210 lbf, it handles demanding conditions reliably.

7009 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in high-accuracy applications.

Application

How Does 7009 ACD/HCP4A Bearing Improve Performance?
7009 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 25° contact angle helps manage combined radial and axial loads efficiently.

In robotics, 7009 ACD/HCP4A Bearing ensures precise movement in articulated arms, thanks to its P4 tolerance class. Its lightweight design also minimises inertia for quicker response times.

For aerospace applications, 7009 ACD/HCP4A Bearing’s ability to handle extreme speeds makes it suitable for turbine assemblies. The chrome steel rings provide durability under demanding conditions.

Automotive vs Aerospace: Applications of 7009 ACD/HCP4A Bearing
In automotive systems, 7009 ACD/HCP4A Bearing supports gearbox components, where its preload options enhance stability. The metric sizing ensures compatibility with European and Asian models.

Aerospace uses include helicopter rotor systems, where the bearing’s high-speed capability and temperature resistance are critical. Its open design allows for easy lubrication in hard-to-reach areas.

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