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Super Precision Angular Contact Ball Bearings 7209 CD/P4A

Super Precision Angular Contact Ball Bearings 7209 CD/P4A

The 7209 CD/P4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle efficiently handles both radial and axial loads, making it versatile for various applications.

With a dynamic radial load capacity of 9518 lbf and a maximum speed of 28,000 RPM, it performs reliably under demanding conditions. The phenolic cage ensures smooth operation and durability, even at high speeds.

This open-design bearing comes pre-lubricated for immediate use and operates smoothly in temperatures from -30°C to 110°C. Its P4 tolerance class (equivalent to ABEC-7) guarantees exceptional precision.

Ideal for machine tools, spindles, or high-speed equipment where accuracy is crucial. Weighing 0.41kg, it offers a robust yet lightweight solution for precision engineering needs.

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Product Parameters

  • Part Number 7209 CD/P4A
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.41 kg
  • Price（$） 281.664
Super Precision Angular Contact Ball Bearings 7209 CD/P4A dimension drawing
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Features

Why Choose 7209 CD/P4A Bearing for Precision Tasks?

7209 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under radial loads up to 9518 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 28,000 rpm, it delivers reliable efficiency in demanding setups.

7209 CD/P4A Bearing operates smoothly within a temperature range of -30° to 110°C.
Its ABEC-7 tolerance class guarantees precision for critical applications.

Application

Industrial Uses of 7209 CD/P4A Bearing
7209 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 7209 CD/P4A Bearing supports gearbox systems, providing smooth performance under radial and axial loads. Its P4 tolerance class ensures reliability in demanding driving conditions.

For medical imaging devices, 7209 CD/P4A Bearing’s chrome steel construction offers durability and precision. The open design allows for easy lubrication, maintaining consistent performance in critical healthcare equipment.

Automation systems benefit from 7209 CD/P4A Bearing’s ability to handle combined loads in robotic arms. The 15° contact angle ensures stability during repetitive movements, enhancing operational efficiency.

In consumer electronics like high-end printers, 7209 CD/P4A Bearing’s low noise and vibration levels contribute to quieter operation. Its metric sizing makes it a versatile choice for various compact devices.

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