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Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBA

The 7209 CD/P4ADBA is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 15795 lbf and spins smoothly at speeds up to 41000 RPM. Its phenolic cage ensures durability and quiet operation, even under demanding conditions.

The open design allows for easy lubrication, while the extra-light preload (Class A) ensures precise movement. Ideal for applications like machine tools or high-speed spindles where accuracy is key.

Weighing 0.82kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a reliable choice for precision engineering tasks.

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Product Parameters

  • Part Number 7209 CD/P4ADBA
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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（$） 18.54
Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBA dimension drawing
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Features

Performance Features of 7209 CD/P4ADBA Bearing

7209 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage in 7209 CD/P4ADBA Bearing reduces friction and noise, making it suitable for precision tasks.
With a dynamic radial load capacity of 15795 lbf, it handles demanding conditions reliably.

7209 CD/P4ADBA Bearing operates at speeds up to 41,000 rpm, maintaining performance in high-speed applications.
Its extra light preload (Class A) ensures minimal friction and extended service life.

The matched arrangement of two bearings (DB) in 7209 CD/P4ADBA Bearing enhances stability and load distribution.
This design is ideal for applications requiring high precision and reliability.

7209 CD/P4ADBA Bearing works efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, reducing maintenance needs.

Application

Industrial Uses of 7209 CD/P4ADBA Bearing
7209 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 7209 CD/P4ADBA Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. The extra light preload makes it suitable for smooth, high-speed operations.

For medical imaging devices, 7209 CD/P4ADBA Bearing’s phenolic cage and chrome steel construction offer reliable performance with minimal maintenance. Its precision tolerance class (P4A) ensures consistent operation in sensitive equipment.

Automation systems benefit from 7209 CD/P4ADBA Bearing’s high-speed capabilities, particularly in robotic arms and CNC machinery. The open seal type allows for easy lubrication, extending service life in continuous-use scenarios.

In consumer electronics, 7209 CD/P4ADBA Bearing can be found in high-performance printers and scanners, where its quiet operation and durability are key advantages. The metric sizing ensures compatibility with a wide range of devices.

Q&A

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