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Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4ADGA

The 7009 ACD/HCP4ADGA is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 9945 lbf, it handles high speeds up to 41,000 RPM. The phenolic cage and open design ensure easy maintenance and long service life.

This bearing comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face. Ideal for precision applications like machine tools or high-speed spindles.

Weighing 0.4kg, it operates in temperatures from -30°C to 110°C. Its P4A tolerance class ensures exceptional accuracy for demanding industrial uses.

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Product Parameters

  • Part Number 7009 ACD/HCP4ADGA
  • 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 9.525 mm
  • Ball Qty 17
  • 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 9945 lbf
  • Static Radial Load 9675 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.4 kg
  • Price（$） 246.213
Super Precision Angular Contact Ball Bearings 7009 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of 7009 ACD/HCP4ADGA Bearing

7009 ACD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.

Its 25° contact angle ensures efficient handling of combined radial and axial loads in various orientations.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 41,000 rpm.

With universal matching, it supports back-to-back, face-to-face, or tandem arrangements for versatile applications.

Application

Industrial Uses of 7009 ACD/HCP4ADGA Bearing
This bearing is commonly used in high-speed machine spindles, where its super precision and ceramic balls reduce friction and heat buildup. The universal matching design allows for flexible arrangements in complex machinery setups.

Where Is 7009 ACD/HCP4ADGA Bearing Used?
You’ll often find it in CNC machining centres, supporting rotary tables and tool holders with reliable angular contact performance. Its phenolic cage ensures smooth operation even at elevated speeds.

Built for Heavy-Duty Use: 7009 ACD/HCP4ADGA Bearing
In automotive testing equipment, this bearing handles radial and axial loads effortlessly, thanks to its chrome steel rings. The extra-light preload makes it ideal for applications demanding minimal vibration.

Medical vs Industrial: Where 7009 ACD/HCP4ADGA Bearing Excels
While it’s a fit for industrial robots, its precision also benefits medical imaging devices like CT scanners. The P4A tolerance class ensures consistent accuracy in both environments.

How Does 7009 ACD/HCP4ADGA Bearing Support High-Speed Operations?
With a max speed of 41,000 rpm, it’s perfect for dental drill handpieces and small turbine assemblies. The ceramic balls and lubricated design extend service life even under continuous use.

Q&A

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