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Super Precision Angular Contact Ball Bearings 7209 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 7209 CD/HCP4ADBA

The 7209 CD/HCP4ADBA is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 15795 lbf.

The open design and phenolic cage allow for easy lubrication, while the extra light preload enhances performance at high speeds, reaching up to 41000 RPM. This matched set of two bearings ( DB arrangement) offers excellent stability.

Ideal for precision applications like machine tool spindles or high-speed robotics, where accuracy and durability are key. The bearing operates reliably in temperatures from -30°C to 110°C.

Weighing 0.68kg, it’s a robust yet lightweight choice for demanding environments. Compliant with P4A tolerance class for superior precision.

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Product Parameters

  • Part Number 7209 CD/HCP4ADBA
  • 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 Ceramic
  • 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 0.68 kg
Super Precision Angular Contact Ball Bearings 7209 CD/HCP4ADBA dimension drawing
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Features

Performance Features of 7209 CD/HCP4ADBA Bearing

7209 CD/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a dynamic radial load capacity of 15795 lbf, it handles demanding conditions reliably.

7209 CD/HCP4ADBA Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload and P4A tolerance class ensure consistent performance in precision tasks.

The matched arrangement of two bearings provides stability for angular contact loads.
Lubrication is pre-applied, reducing initial setup time and maintenance needs.

Application

Industrial Uses of 7209 CD/HCP4ADBA Bearing
7209 CD/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

In automotive systems, 7209 CD/HCP4ADBA Bearing supports components like wheel hubs and transmissions, where durability and high-speed capabilities are essential. Its matched arrangement provides stability under varying loads.

For medical imaging devices, 7209 CD/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer reliable performance in sterile environments. The extra light preload ensures minimal vibration during operation.

Perfect Fit for Automation: 7209 CD/HCP4ADBA Bearing
7209 CD/HCP4ADBA Bearing excels in robotic arms and automated production lines, where its high-speed tolerance and precision are crucial. The open design allows for easy lubrication and maintenance.

In aerospace applications, 7209 CD/HCP4ADBA Bearing handles the demanding conditions of flight control systems. Its temperature range and ceramic balls make it suitable for both high and low-temperature environments.

Q&A

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