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Super Precision Angular Contact Ball Bearings S7208 CD/P4A

Super Precision Angular Contact Ball Bearings S7208 CD/P4A

The S7208 CD/P4A 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 sealed for protection, with matched arrangement and preload options available.

This bearing handles radial loads up to 7605 lbf and operates smoothly at speeds up to 18,000 RPM. Its phenolic cage ensures durability, while the lubricated design reduces friction for long-lasting performance.

The P4 tolerance class (ABEC-7) guarantees high precision, making it ideal for applications like machine tools or high-speed spindles. It works well in temperatures from -30°C to 110°C.

Weighing 0.38kg, it’s a robust yet lightweight choice for demanding environments. Interchangeable with SKF bearings, it’s a reliable option for replacements or upgrades.

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Product Parameters

  • Part Number S7208 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18000 rpm
  • Weight 0.38 kg
  • Price（$） 285.795
Super Precision Angular Contact Ball Bearings S7208 CD/P4A dimension drawing
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Features

Why Choose S7208 CD/P4A Bearing for Precision Tasks?

S7208 CD/P4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 7605 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed machinery.

Sealed design and preload options enhance its performance in matched arrangements.
It operates efficiently at speeds up to 18,000 rpm, balancing precision and longevity.

Application

Common Applications of S7208 CD/P4A Bearing
S7208 CD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop environments.

In robotics, S7208 CD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 15° contact angle handles combined radial and axial loads efficiently.

For medical imaging devices, S7208 CD/P4A Bearing’s P4 tolerance class delivers the quiet operation needed for sensitive diagnostics. The chrome steel components resist wear during continuous use in scanning equipment.

Automotive applications like electric power steering benefit from S7208 CD/P4A Bearing’s lubricated design and high-speed capability. Its matched arrangement option simplifies installation in compact vehicle systems.

In aerospace components, S7208 CD/P4A Bearing’s temperature stability ensures reliability from -30°C to 110°C. The lightweight phenolic cage contributes to fuel efficiency in aircraft mechanisms.

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