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Super Precision Angular Contact Ball Bearings 7209 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7209 CDGA/HCP4A

The 7209 CDGA/HCP4A is a super precision angular contact ball bearing measuring 45mm by 85mm by 19mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 9518 lbf and reaches speeds of 41,000 RPM, making it suitable for high-speed applications.

With a 15° contact angle and extra light preload, it offers smooth operation and low friction. The phenolic cage ensures durability while the open design allows for easy lubrication.

This bearing is part of a universal matching set, compatible with back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.34kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7209 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 19 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 9518 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.34 kg
Super Precision Angular Contact Ball Bearings 7209 CDGA/HCP4A dimension drawing
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Features

Performance Features of 7209 CDGA/HCP4A Bearing

7209 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls ensure high durability and smooth operation under dynamic radial loads up to 9518 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 41,000 rpm.
This bearing operates efficiently in temperatures ranging from -30°C to 110°C, making it versatile for various environments.

With a P4A tolerance class, 7209 CDGA/HCP4A Bearing delivers consistent accuracy for high-precision tasks.
Its universal matching capability allows flexible arrangement options, including back-to-back and face-to-face configurations.

Application

Key Fields for 7209 CDGA/HCP4A Bearing
7209 CDGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design ensures easy access for lubrication, extending service life in demanding conditions.

What Makes 7209 CDGA/HCP4A Bearing a Preferred Choice?
In robotics, 7209 CDGA/HCP4A Bearing provides excellent angular contact support for articulated arms, thanks to its phenolic cage and P4A tolerance. Its lightweight construction also helps improve energy efficiency in automated systems.

Built for Heavy-Duty Use: 7209 CDGA/HCP4A Bearing
7209 CDGA/HCP4A Bearing handles radial loads effortlessly in industrial fans, where its chrome steel rings withstand continuous operation. The extra-light preload ensures minimal vibration, even at high rotational speeds.

Medical vs Industrial: Where 7209 CDGA/HCP4A Bearing Excels
7209 CDGA/HCP4A Bearing is ideal for medical imaging devices, offering quiet performance crucial for patient comfort. In contrast, its durability also makes it suitable for packaging machinery with frequent start-stop cycles.

Q&A

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