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Super Precision Angular Contact Ball Bearings 7209 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 7209 ACD/P4ADBB

The 7209 ACD/P4ADBB is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It measures 38mm in width and is designed for angular contact loads, handling up to 14918 lbf dynamically.

With a 25° contact angle and light preload, it offers smooth operation at speeds up to 41000 RPM. The phenolic cage ensures stability, while the open design allows for easy lubrication.

This matched set of two bearings (arranged back-to-back) is ideal for high-precision applications like machine tool spindles or robotics. It operates efficiently in temperatures from -30°C to 110°C.

Weighing 0.82kg, it’s a robust yet manageable choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7209 ACD/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 25°
  • 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 14918 lbf
  • Static Radial Load 13500 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 ACD/P4ADBB dimension drawing
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Features

Performance Features of 7209 ACD/P4ADBB Bearing

7209 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The bearing’s dynamic radial load capacity of 14918 lbf makes it suitable for high-performance machinery.
With a maximum speed of 41,000 rpm, it delivers reliable operation in demanding conditions.

7209 ACD/P4ADBB Bearing comes preloaded for light applications, ensuring precision and stability.
Its matched arrangement of two bearings (DB) enhances performance in complex load scenarios.

The P4A tolerance class guarantees high precision, making it ideal for critical applications.
Operating between -30°C to 110°C, it maintains performance across a wide temperature range.

Lubricated for smooth operation, 7209 ACD/P4ADBB Bearing requires minimal maintenance.
Its open design allows for easy inspection and re-lubrication when needed.

Application

Industrial Uses of 7209 ACD/P4ADBB Bearing
7209 ACD/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 in demanding industrial environments.

In automotive applications, 7209 ACD/P4ADBB Bearing supports gearbox systems, offering smooth performance under radial and axial loads. Its phenolic cage material helps reduce friction, enhancing efficiency in high-speed operations.

For robotics, 7209 ACD/P4ADBB Bearing is ideal for articulated arms, thanks to its light preload and precise tolerance class. The chrome steel construction ensures durability in repetitive motion scenarios.

Medical imaging devices benefit from 7209 ACD/P4ADBB Bearing’s low-noise operation and consistent performance. The open seal type allows for easy lubrication, maintaining reliability in critical healthcare equipment.

In automation systems, 7209 ACD/P4ADBB Bearing is often found in 3D printers, where its high-speed capability ensures precise layer deposition. The metric sizing makes it compatible with a wide range of European machinery.

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