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Super Precision Angular Contact Ball Bearings 709 CDGA/HCP4A
Super Precision Angular Contact Ball Bearings 709 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 709 CDGA/HCP4A

The 709 CDGA/HCP4A is a super precision angular contact ball bearing with a compact size of 9mm by 24mm by 7mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 806 lbf and spins at speeds up to 95,000 RPM, thanks to its phenolic cage and extra-light preload. The open design allows for easy lubrication and maintenance.

With a 15° contact angle, it’s ideal for applications requiring high precision, such as machine tools or spindles. The bearing works in temperatures from -30°C to 110°C.

Weighing just 0.013kg, it’s lightweight yet robust. It’s interchangeable with SKF bearings and comes in a set of two, suitable for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 709 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 10
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 806 lbf
  • Static Radial Load 360 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.013 kg

Features

Performance Features of 709 CDGA/HCP4A Bearing

709 CDGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

With a dynamic radial load capacity of 806 lbf, it handles demanding tasks efficiently.
Its phenolic cage ensures smooth operation, even at high speeds up to 95,000 rpm.

The extra light preload (Class A) improves accuracy, making it ideal for precision instruments.
Lubrication is pre-applied, ensuring ready-to-use convenience and reduced maintenance.

Application

Key Fields for 709 CDGA/HCP4A Bearing
709 CDGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for demanding industrial applications.

How Does 709 CDGA/HCP4A Bearing Support High-Speed Operations?
With a max speed of 95,000 rpm, 709 CDGA/HCP4A Bearing excels in dental drills and small precision tools. Its lightweight design and extra-light preload contribute to smooth, vibration-free performance.

Perfect Fit for Automation: 709 CDGA/HCP4A Bearing
In robotic arms and CNC equipment, 709 CDGA/HCP4A Bearing’s angular contact design handles combined radial and axial loads efficiently. The universal matching feature allows flexible mounting configurations for various automation needs.

Medical vs Industrial: Where 709 CDGA/HCP4A Bearing Excels
While 709 CDGA/HCP4A Bearing performs well in industrial grinders, its ceramic balls make it ideal for medical centrifuges requiring contamination-free operation. The chrome steel rings provide durability in both environments.

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