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Super Precision Angular Contact Ball Bearings S7208 CD/P4ADBB

Super Precision Angular Contact Ball Bearings S7208 CD/P4ADBB

The S7208 CD/P4ADBB 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 sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and light preload make it ideal for high-precision applications.

This matched pair of bearings (DB arrangement) offers excellent stability under angular loads. Suitable for machine tools or spindle drives where accuracy is key.

Weighing 0.75kg, it’s robust yet manageable. Works in temperatures from -30°C to 110°C, with P4A tolerance for tight precision.

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Product Parameters

  • Part Number S7208 CD/P4ADBB
  • 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 Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 12442 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.75 kg
Super Precision Angular Contact Ball Bearings S7208 CD/P4ADBB dimension drawing
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Features

How Is S7208 CD/P4ADBB Bearing Engineered for Reliability?

S7208 CD/P4ADBB Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
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 12442 lbf, it delivers consistent performance in precision applications.
The sealed design and grease lubrication reduce maintenance needs, enhancing long-term reliability.

Application

Industrial Uses of S7208 CD/P4ADBB Bearing
S7208 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

How Does S7208 CD/P4ADBB Bearing Improve Performance?
In automotive applications, S7208 CD/P4ADBB Bearing enhances gearbox efficiency by reducing friction under angular loads. Its light preload setting ensures smooth operation at high speeds.

Perfect Fit for Automation: S7208 CD/P4ADBB Bearing
S7208 CD/P4ADBB Bearing works well in robotic arms, providing stable movement thanks to its matched bearing arrangement. The phenolic cage offers durability without adding excessive weight.

Medical vs Industrial: Where S7208 CD/P4ADBB Bearing Excels
S7208 CD/P4ADBB Bearing is suitable for medical imaging devices, where precision is critical. In industrial settings, it handles heavy radial loads in pumps and compressors reliably.

Where Is S7208 CD/P4ADBB Bearing Used?
You’ll find S7208 CD/P4ADBB Bearing in 3D printers, where its high-speed capability ensures precise layer deposition. The grease lubrication keeps it running quietly for extended periods.

Q&A

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