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Super Precision Angular Contact Ball Bearings S7208 ACD/P4A

Super Precision Angular Contact Ball Bearings S7208 ACD/P4A

The S7208 ACD/P4A 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 7178 lbf and operates smoothly at speeds up to 16,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle makes it ideal for combined radial and axial loads.

This bearing is interchangeable with SKF models and comes in matched sets for precise alignment. Perfect for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.38kg, it’s robust yet compact. Compliant with P4 tolerance standards for exceptional accuracy. Works reliably in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S7208 ACD/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 25°
  • 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 7178 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.38 kg
  • Price（$） 285.732
Super Precision Angular Contact Ball Bearings S7208 ACD/P4A dimension drawing
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Features

Why Choose S7208 ACD/P4A Bearing for Precision Tasks?

S7208 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with 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 7178 lbf, it performs reliably in high-demand applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision machinery.

Application

Industrial Uses of S7208 ACD/P4A Bearing
S7208 ACD/P4A 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.

In automotive applications, S7208 ACD/P4A Bearing supports wheel hubs and transmission systems, providing smooth operation under radial and axial loads. Its phenolic cage offers durability while reducing friction.

For robotics, S7208 ACD/P4A Bearing is ideal for joint mechanisms, thanks to its preload capability and high-speed tolerance. The P4 precision class ensures consistent movement in automated systems.

Where Is S7208 ACD/P4A Bearing Used?
You’ll often find S7208 ACD/P4A Bearing in medical imaging devices, where its low vibration and high accuracy are crucial. The chrome steel construction also resists wear in continuous operation.

In consumer electronics, S7208 ACD/P4A Bearing can be used in high-end printers, ensuring quiet and precise paper handling. Its compact size fits well in space-constrained designs.

Built for Heavy-Duty Use: S7208 ACD/P4A Bearing
S7208 ACD/P4A Bearing handles heavy loads in industrial pumps, where its dynamic radial load capacity keeps operations running smoothly. The lubricated design extends service life even under stress.

For aerospace applications, S7208 ACD/P4A Bearing’s temperature range and precision make it suitable for flight control systems. The matched arrangement option allows for custom configurations.

Q&A

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