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Super Precision Angular Contact Ball Bearings S7209 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7209 CDGA/HCP4A

The S7209 CDGA/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 9518 lbf and spins at speeds up to 46,000 RPM, making it suitable for high-performance applications.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures smooth operation. The 15° contact angle provides excellent stability under angular loads, and it comes with an extra-light preload for precision alignment.

This bearing is interchangeable with SKF models and can be paired in back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools, spindles, or other high-speed equipment where accuracy is crucial.

Weighing just 0.35kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number S7209 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 Sealed
  • 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 9518 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.35 kg
Super Precision Angular Contact Ball Bearings S7209 CDGA/HCP4A dimension drawing
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Features

Performance Features of S7209 CDGA/HCP4A Bearing

S7209 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures optimal performance for angular contact loads, making it suitable for demanding applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 46,000 rpm, it delivers reliable performance in high-speed scenarios.

Application

Industrial Uses of S7209 CDGA/HCP4A Bearing
S7209 CDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

What Makes S7209 CDGA/HCP4A Bearing a Preferred Choice?
In automotive applications, S7209 CDGA/HCP4A Bearing excels in electric motor systems, thanks to its angular contact design and extra-light preload. The P4A tolerance class ensures precision, making it ideal for smooth, efficient operation.

Perfect Fit for Automation: S7209 CDGA/HCP4A Bearing
S7209 CDGA/HCP4A Bearing is well-suited for robotic arms, where its high-speed capability and grease lubrication provide reliable movement. The chrome steel rings and ceramic balls offer durability in repetitive, high-precision tasks.

Medical vs Industrial: Where S7209 CDGA/HCP4A Bearing Excels
In medical imaging devices, S7209 CDGA/HCP4A Bearing’s low vibration and high accuracy are crucial for clear results. For industrial pumps, its ability to handle radial and axial loads simultaneously makes it a versatile choice.

Q&A

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