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Super Precision Angular Contact Ball Bearings 7209 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 7209 CD/P4ATBTB

The 7209 CD/P4ATBTB is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and matched set of three bearings ensure smooth handling of combined loads.

This bearing supports dynamic radial loads up to 20768 lbf and spins at speeds up to 41000 RPM, thanks to its phenolic cage and lubricated design. It operates reliably in temperatures from -30°C to 110°C.

The open seal allows for easy maintenance, while the P4A tolerance class guarantees high precision. Its lightweight phenolic cage reduces friction, enhancing performance.

Ideal for high-speed applications like machine tool spindles or precision equipment, where accuracy and durability are key. Weighing 1.23kg, it balances strength and efficiency.

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Product Parameters

  • Part Number 7209 CD/P4ATBTB
  • 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 57 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 20768 lbf
  • Static Radial Load 20925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.23 kg
Super Precision Angular Contact Ball Bearings 7209 CD/P4ATBTB dimension drawing
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Features

Performance Features of 7209 CD/P4ATBTB Bearing

7209 CD/P4ATBTB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 20,768 lbf, it handles demanding conditions reliably.

The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Application

Industrial Uses of 7209 CD/P4ATBTB Bearing
7209 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched set of three bearings ensures stability in demanding industrial environments.

Where Is 7209 CD/P4ATBTB Bearing Used?
In automotive applications, 7209 CD/P4ATBTB Bearing supports gearboxes and drivetrains, offering smooth performance under high speeds. Its phenolic cage reduces friction, making it suitable for long-term use.

Built for Heavy-Duty Use: 7209 CD/P4ATBTB Bearing
7209 CD/P4ATBTB Bearing excels in robotics, providing precise movement in robotic arms and automated systems. The light preload ensures minimal vibration, enhancing overall accuracy.

Medical vs Industrial: Where 7209 CD/P4ATBTB Bearing Excels
For medical imaging devices, 7209 CD/P4ATBTB Bearing’s chrome steel construction ensures reliability and longevity. In industrial settings, it handles heavy loads with ease, thanks to its robust design.

Practical Applications of 7209 CD/P4ATBTB Bearing
7209 CD/P4ATBTB Bearing is ideal for 3D printers, where its precision and low friction contribute to high-quality prints. The open seal type allows for easy lubrication, extending its service life.

Q&A

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