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Super Precision Angular Contact Ball Bearings 7209 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7209 CDGA/P4A

The 7209 CDGA/P4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 9518 lbf and operates smoothly at speeds up to 41,000 RPM.

Its 15° contact angle and extra light preload ensure precise performance in high-speed applications. The open design and phenolic cage make it durable and easy to maintain.

This bearing is ideal for machine tools or spindle systems where accuracy and speed are crucial. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Weighing 0.41kg, it’s robust yet lightweight. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 7209 CDGA/P4A
  • 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 19 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 No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.41 kg
  • Price（$） 9.36
Super Precision Angular Contact Ball Bearings 7209 CDGA/P4A dimension drawing
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Features

Performance Features of 7209 CDGA/P4A Bearing

7209 CDGA/P4A 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 9518 lbf, it handles demanding conditions reliably.

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

Application

Key Fields for 7209 CDGA/P4A Bearing
7209 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 7209 CDGA/P4A Bearing supports articulated arms, providing smooth movement and long service life. Its extra-light preload helps maintain precision in repetitive tasks.

For medical imaging devices, 7209 CDGA/P4A Bearing’s P4A tolerance class guarantees minimal vibration. The chrome steel construction ensures reliability in critical diagnostic equipment.

Automotive applications include electric vehicle motors, where 7209 CDGA/P4A Bearing handles combined radial and axial loads efficiently. Its metric sizing fits seamlessly into European and Asian designs.

Q&A

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