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Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGB

The 7209 CD/P4ADGB is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 15795 lbf and operates smoothly at speeds up to 41000 RPM.

With a 15° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduces friction.

This bearing is preloaded for light applications and works in temperatures from -30°C to 110°C. Ideal for high-precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.82kg, it comes as a matched set of two bearings, interchangeable with SKF models. Its open design allows for easy lubrication and maintenance.

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Product Parameters

  • Part Number 7209 CD/P4ADGB
  • 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 38 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 15795 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.82 kg
  • Price（$） 18.63
Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGB dimension drawing
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Features

How Is 7209 CD/P4ADGB Bearing Engineered for Reliability?

7209 CD/P4ADGB Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 15795 lbf, it delivers consistent performance under stress.
The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.

What Makes 7209 CD/P4ADGB Bearing Suitable for High-Speed Applications?

7209 CD/P4ADGB Bearing achieves speeds up to 41,000 rpm, thanks to its precision P4A tolerance class.
The phenolic cage and chrome steel construction minimise heat generation during high-speed operation.
Its light preload (Class B) ensures smooth rotation while maintaining stability.
The open design allows for efficient lubrication, further enhancing high-speed performance.

Precision Engineered for High-Speed Applications: 7209 CD/P4ADGB Bearing

7209 CD/P4ADGB Bearing’s 14 balls (12.7 mm diameter) provide balanced load distribution for smooth operation.
The matched set of two bearings offers versatility in mounting configurations for various applications.
With a temperature range of -30°C to 110°C, it performs reliably in diverse operating conditions.
Its 0.82 kg weight strikes a balance between robustness and manageable size (45×85×38 mm).

Application

Industrial Uses of 7209 CD/P4ADGB Bearing
The 7209 CD/P4ADGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its universal matching feature allows flexible arrangements, making it suitable for complex setups.

In automotive applications, 7209 CD/P4ADGB Bearing supports gearbox systems, providing smooth operation under radial and axial loads. The phenolic cage material helps reduce friction, enhancing efficiency in high-speed scenarios.

For robotics, 7209 CD/P4ADGB Bearing is ideal for articulated arms, offering reliable performance in repetitive motion tasks. The P4A tolerance class ensures consistent precision, even under demanding conditions.

Medical imaging devices benefit from 7209 CD/P4ADGB Bearing’s low vibration and high-speed capabilities. Its chrome steel construction ensures durability in sterile environments, where reliability is critical.

In automation systems, 7209 CD/P4ADGB Bearing is often found in CNC machinery, where its light preload enhances responsiveness. The open design allows for easy lubrication, extending service life in continuous operation.

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