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Super Precision Angular Contact Ball Bearings 7208 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7208 CD/P4ADBC

The 7208 CD/P4ADBC is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 12442 lbf and operates smoothly at speeds up to 41000 RPM.

Its 15° contact angle and matched pair arrangement (DB) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even under moderate preload conditions.

This bearing is ideal for high-precision applications like machine tool spindles or high-speed motors. It works reliably in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use.

Weighing 0.75kg, this P4A-class bearing offers precision performance while being interchangeable with SKF models. The open design allows for easy maintenance when needed.

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Product Parameters

  • Part Number 7208 CD/P4ADBC
  • 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 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 12442 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.75 kg
Super Precision Angular Contact Ball Bearings 7208 CD/P4ADBC dimension drawing
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Features

Performance Features of 7208 CD/P4ADBC Bearing

7208 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 12442 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 41,000 rpm.
Moderate preload (Class C) improves stability, making it suitable for precision tasks.

7208 CD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement (DB) with two bearings enhances performance in demanding setups.

The open design simplifies lubrication, reducing maintenance needs.
With tight tolerances (P4A), it delivers reliable precision in industrial applications.

Application

Industrial Uses of 7208 CD/P4ADBC Bearing
7208 CD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight tolerances.

In automotive systems, 7208 CD/P4ADBC Bearing supports gearbox assemblies, providing smooth operation under radial and axial loads. Its chrome steel construction enhances durability in high-speed scenarios.

For robotics, 7208 CD/P4ADBC Bearing is ideal for joint mechanisms, offering reliable performance in repetitive movements. The matched arrangement of two bearings improves stability in dynamic applications.

Where Is 7208 CD/P4ADBC Bearing Used?
7208 CD/P4ADBC Bearing finds its place in medical imaging devices, where precision and quiet operation are essential. The phenolic cage reduces friction, ensuring consistent performance over time.

In automation equipment, 7208 CD/P4ADBC Bearing supports linear motion systems, handling both radial and angular loads efficiently. Its open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 7208 CD/P4ADBC Bearing
7208 CD/P4ADBC Bearing is a go-to choice for industrial pumps, where its robust construction handles high loads and speeds. The 15° contact angle optimises load distribution for longer bearing life.

In aerospace applications, 7208 CD/P4ADBC Bearing is used in actuator systems, benefiting from its high-speed capabilities and precision. The matched set configuration ensures consistent performance under varying conditions.

Automotive vs Aerospace: Applications of 7208 CD/P4ADBC Bearing
In automotive transmissions, 7208 CD/P4ADBC Bearing provides smooth shifting with its angular contact design. The metric sizing ensures compatibility with a wide range of vehicle models.

For aerospace components, 7208 CD/P4ADBC Bearing offers reliability in flight control systems. Its high-speed rating and temperature tolerance make it suitable for demanding environments.

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