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Super Precision Angular Contact Ball Bearings 7208 ACD/P4A

Super Precision Angular Contact Ball Bearings 7208 ACD/P4A

The 7208 ACD/P4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 7178 lbf and operates smoothly at speeds up to 26,000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long-lasting performance in temperatures from -30°C to 110°C.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. Its P4 tolerance class ensures reliable performance in demanding conditions.

Weighing 0.37kg, it’s a robust yet lightweight choice for industrial and precision engineering needs. It’s also interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 7208 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 Open
  • Matched Arrangement No
  • 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 26000 rpm
  • Weight 0.37 kg
  • Price（$） 238.32
Super Precision Angular Contact Ball Bearings 7208 ACD/P4A dimension drawing
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Features

Performance Features of 7208 ACD/P4A Bearing

7208 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 7178 lbf.

The phenolic cage ensures smooth operation, reducing friction at high speeds of up to 26,000 rpm.
Precision P4 tolerance guarantees reliable performance in demanding environments.

7208 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design simplifies lubrication, maintaining consistent performance over time.

Application

How Does 7208 ACD/P4A Bearing Improve Performance?
7208 ACD/P4A Bearing is commonly used in high-speed machine tools, where its 25° contact angle ensures smooth operation under radial and axial loads. The phenolic cage reduces friction, making it ideal for precision applications.

In automotive systems, 7208 ACD/P4A Bearing supports components like electric motors and gearboxes, where its P4 tolerance class enhances reliability. The chrome steel construction also provides durability in demanding conditions.

For robotics, 7208 ACD/P4A Bearing’s open design allows for easy lubrication, ensuring consistent performance in automated arms. Its high-speed capability makes it suitable for repetitive, precise movements.

In medical imaging devices, 7208 ACD/P4A Bearing’s low vibration characteristics contribute to accurate diagnostics. The wide temperature range ensures stability in various clinical environments.

For consumer electronics, 7208 ACD/P4A Bearing is found in devices like high-end printers, where quiet operation is essential. The balanced load handling also extends the lifespan of moving parts.

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