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Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBB

The 7209 CD/P4ADBB is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 15795 lbf and operates smoothly at speeds up to 41000 RPM.

Its 15° contact angle and matched arrangement of two bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light applications, making it ideal for high-precision machinery like spindles or CNC equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 0.82kg, it’s a robust yet manageable size for its performance class. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7209 CD/P4ADBB
  • 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 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
Super Precision Angular Contact Ball Bearings 7209 CD/P4ADBB dimension drawing
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Features

Performance Features of 7209 CD/P4ADBB Bearing

7209 CD/P4ADBB Bearing is crafted with chrome steel rings and balls, offering excellent resistance to radial and angular loads.
Its dynamic radial load capacity reaches 15795 lbf, ensuring reliable operation in high-precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 41,000 rpm, it delivers both precision and efficiency.

7209 CD/P4ADBB Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its light preload design ensures consistent performance in matched bearing arrangements.

The open seal type allows for easy lubrication, reducing maintenance needs.
7209 CD/P4ADBB Bearing’s tight tolerances make it ideal for precision machinery.

Application

How Does 7209 CD/P4ADBB Bearing Improve Performance?
7209 CD/P4ADBB 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 for demanding operations.

In robotics, 7209 CD/P4ADBB Bearing supports articulated arms, offering smooth movement thanks to its phenolic cage and chrome steel construction. Its light preload makes it ideal for applications requiring minimal friction.

For aerospace components, 7209 CD/P4ADBB Bearing handles both radial and axial loads efficiently. The P4A tolerance class guarantees the precision needed in critical flight systems.

Q&A

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