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Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGA

The 7209 CD/P4ADGA 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 reduced friction.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It performs reliably in temperatures from -30°C to 110°C.

Weighing 0.82kg, this bearing comes as a matched set of two, ensuring consistent performance. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number 7209 CD/P4ADGA
  • 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 Extra light / Class A
  • 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（$） 141.453
Super Precision Angular Contact Ball Bearings 7209 CD/P4ADGA dimension drawing
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Features

Performance Features of 7209 CD/P4ADGA Bearing

7209 CD/P4ADGA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 15795 lbf, it performs reliably in high-speed applications.

7209 CD/P4ADGA Bearing operates smoothly at speeds up to 41,000 rpm, thanks to its extra light preload.
Its precision P4A tolerance class guarantees consistent performance in demanding conditions.

The open design and lubrication ensure easy maintenance and long service life.
It functions efficiently within a temperature range of -30°C to 110°C, making it versatile for various environments.

Application

Industrial Uses of 7209 CD/P4ADGA Bearing
7209 CD/P4ADGA Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The universal matching design allows flexible arrangements, making it suitable for complex setups.

Where Is 7209 CD/P4ADGA Bearing Used?
In automotive applications, 7209 CD/P4ADGA Bearing supports gearbox and wheel hub systems, thanks to its extra light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

Optimized for Performance: 7209 CD/P4ADGA Bearing
7209 CD/P4ADGA Bearing excels in robotics and automation, where its P4A tolerance class ensures smooth operation in robotic arms and CNC machines. The chrome steel construction provides durability for continuous use.

Medical vs Industrial: Where 7209 CD/P4ADGA Bearing Excels
For medical imaging devices, 7209 CD/P4ADGA Bearing offers reliable precision, while in industrial pumps, its high dynamic load capacity handles heavy-duty operations. The lubricated design ensures long service life in both environments.

Practical Applications of 7209 CD/P4ADGA Bearing
7209 CD/P4ADGA Bearing is ideal for 3D printers, where its low friction and high-speed performance ensure precise layer alignment. The open seal type allows for easy maintenance in dusty or humid conditions.

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