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Super Precision Angular Contact Ball Bearings 7209 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 7209 ACD/P4ADBC

The 7209 ACD/P4ADBC 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 moderate preload, it offers smooth operation at speeds up to 41000 RPM. The open design and phenolic cage ensure reliable performance, while the matched pair arrangement (DB) enhances stability.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C.

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

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Product Parameters

  • Part Number 7209 ACD/P4ADBC
  • 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 Moderate / Class C
  • 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/P4ADBC dimension drawing
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Features

Performance Features of 7209 ACD/P4ADBC Bearing

7209 ACD/P4ADBC 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 noise.

With a dynamic radial load capacity of 14918 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical tasks.

7209 ACD/P4ADBC Bearing operates smoothly at speeds up to 41,000 rpm, balancing performance and longevity.
Its matched arrangement of two bearings (DB) enhances stability in high-speed applications.

The open design allows for easy lubrication, maintaining efficiency over time.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

Application

Industrial Uses of 7209 ACD/P4ADBC Bearing
7209 ACD/P4ADBC 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 under radial and axial loads.

In automotive applications, 7209 ACD/P4ADBC Bearing supports gearbox systems, offering smooth performance at high speeds. Its phenolic cage reduces friction, making it suitable for demanding driving conditions.

For robotics, 7209 ACD/P4ADBC Bearing is ideal for articulated arms, thanks to its moderate preload and P4A tolerance class. The chrome steel construction ensures long-lasting performance in repetitive motion scenarios.

In medical imaging devices, 7209 ACD/P4ADBC Bearing’s precision and low noise operation are crucial for clear diagnostics. The open design allows for easy lubrication, maintaining efficiency over time.

Q&A

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