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Super Precision Angular Contact Ball Bearings 7208 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7208 CD/P4ADGB

The 7208 CD/P4ADGB is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of two for versatile mounting options.

This bearing handles radial loads up to 12442 lbf and reaches speeds of 41000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability under light preload conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees exceptional precision. It works reliably in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle applications where accuracy and speed are crucial. The universal matching design supports back-to-back, face-to-face, or tandem arrangements for flexible installation. Weighing 0.75kg, it balances strength and precision in a compact size.

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Product Parameters

  • Part Number 7208 CD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.75 kg
  • Price（$） 16.965
Super Precision Angular Contact Ball Bearings 7208 CD/P4ADGB dimension drawing
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Features

Performance Features of 7208 CD/P4ADGB Bearing

7208 CD/P4ADGB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 12442 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 41,000 rpm.

With universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

Application

Industrial Uses of 7208 CD/P4ADGB Bearing
7208 CD/P4ADGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 7208 CD/P4ADGB Bearing supports gearboxes and drivetrain components, handling both radial and axial loads efficiently. Its light preload class ensures smooth operation even at high speeds.

For robotics, 7208 CD/P4ADGB Bearing provides reliable performance in articulated arms and joints, thanks to its phenolic cage and chrome steel construction. The P4A tolerance class guarantees consistent precision in dynamic movements.

Where Is 7208 CD/P4ADGB Bearing Used?
You’ll find 7208 CD/P4ADGB Bearing in CNC machines, where its high-speed capability and precision are essential for detailed machining work. The open seal design also simplifies lubrication maintenance.

In aerospace systems, 7208 CD/P4ADGB Bearing is trusted for its durability and ability to handle combined loads in flight control mechanisms. The temperature range ensures reliability in varying operational conditions.

Built for Heavy-Duty Use: 7208 CD/P4ADGB Bearing
7208 CD/P4ADGB Bearing excels in industrial pumps and compressors, where its robust construction handles continuous operation. The dynamic radial load capacity makes it a dependable choice for demanding environments.

For medical imaging devices, 7208 CD/P4ADGB Bearing offers smooth and quiet performance, critical for patient comfort and accurate diagnostics. The phenolic cage reduces friction, enhancing longevity.

Automotive vs Aerospace: Applications of 7208 CD/P4ADGB Bearing
In automotive transmissions, 7208 CD/P4ADGB Bearing ensures efficient power transfer with minimal vibration. Its tandem arrangement option provides flexibility for compact designs.

Aerospace applications benefit from 7208 CD/P4ADGB Bearing’s ability to withstand extreme conditions, such as high speeds and temperature fluctuations. The universal matching feature simplifies installation in complex assemblies.

Q&A

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