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Super Precision Angular Contact Ball Bearings 7209 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7209 CD/HCP4A

The 7209 CD/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 9518 lbf and operates smoothly at high speeds of 32,000 RPM.

Its 15° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet performance. The bearing comes pre-lubricated and works in temperatures from -30°C to 110°C.

Designed for precision applications, it meets P4 tolerance standards (ABEC-7) for accurate performance. Ideal for machine tools or high-speed spindles where precision and speed are key.

Weighing 0.34kg, it’s a robust yet lightweight choice for demanding setups. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7209 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 19 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • 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° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.34 kg
  • Price（$） 281.232
Super Precision Angular Contact Ball Bearings 7209 CD/HCP4A dimension drawing
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Features

Performance Features of 7209 CD/HCP4A Bearing

7209 CD/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

With a dynamic radial load capacity of 9518 lbf, it handles demanding operations smoothly.
The phenolic cage ensures stable performance, even at high speeds up to 32,000 rpm.

Designed for a temperature range of -30° to 110°C, it performs reliably in varied conditions.
The ABEC-7 tolerance class guarantees high precision for critical applications.

Easy to install and maintain, 7209 CD/HCP4A Bearing reduces operational downtime.
Its open design allows for efficient lubrication, extending service life.

Application

Common Applications of 7209 CD/HCP4A Bearing
7209 CD/HCP4A Bearing works well in machine tool spindles, where its precision angular contact design ensures accurate rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 7209 CD/HCP4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads. Its phenolic cage offers durability under varying temperatures and conditions.

For robotics, 7209 CD/HCP4A Bearing provides smooth movement in articulated arms and joints. The P4 tolerance class ensures consistent performance in precise positioning tasks.

Medical imaging devices benefit from 7209 CD/HCP4A Bearing’s low vibration and high-speed capabilities. The chrome steel rings and ceramic balls maintain reliability in critical healthcare environments.

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