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Super Precision Angular Contact Ball Bearings 71960 ACDMA/P4A

Super Precision Angular Contact Ball Bearings 71960 ACDMA/P4A

The 71960 ACDMA/P4A is a super precision angular contact ball bearing with a 300mm bore and 420mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 78975 lbf and operates smoothly at speeds up to 3800 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 service life even in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or industrial gearboxes. Its P4 tolerance class ensures reliable performance in environments requiring tight tolerances.

Weighing 23kg, it’s built to withstand heavy loads while maintaining precision. Suitable for temperatures from -30°C to 110°C, it’s a durable choice for various industrial uses.

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Product Parameters

  • Part Number 71960 ACDMA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 300 mm
  • Bore Dia Tolerance -0.013mm to 0
  • Outer Dia 420 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 26
  • 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 78975 lbf
  • Static Radial Load 126000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 3800 rpm
  • Weight 23 kg
  • Price（$） 869.553
Super Precision Angular Contact Ball Bearings 71960 ACDMA/P4A dimension drawing
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Features

Performance Features of 71960 ACDMA/P4A Bearing

71960 ACDMA/P4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-precision applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 78,975 lbf, it delivers reliable operation under heavy loads.
The bearing’s P4 tolerance class guarantees precision, making it suitable for demanding industrial uses.
Its maximum speed of 3,800 rpm ensures efficiency without compromising on performance.

Application

Common Applications of 71960 ACDMA/P4A Bearing
71960 ACDMA/P4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations with minimal friction.

In robotics, 71960 ACDMA/P4A Bearing provides smooth motion control for articulated arms, thanks to its P4 tolerance class. Its chrome steel construction also offers long-lasting performance in demanding automation environments.

For aerospace applications, 71960 ACDMA/P4A Bearing’s ability to handle dynamic radial loads makes it ideal for aircraft components. The lubricated design ensures reliable operation even under extreme temperature variations.

Where Is 71960 ACDMA/P4A Bearing Used?
You’ll often find 71960 ACDMA/P4A Bearing in medical imaging devices, where precision and reliability are critical. Its high static radial load capacity ensures stable performance in sensitive equipment.

In industrial pumps, 71960 ACDMA/P4A Bearing’s robust design handles both radial and axial forces efficiently. The metric sizing and ABEC-7 tolerance make it a versatile choice for various machinery.

Built for Heavy-Duty Use: 71960 ACDMA/P4A Bearing
71960 ACDMA/P4A Bearing excels in wind turbine gearboxes, where its large bore and high load capacity are essential. The phenolic cage reduces weight while maintaining strength.

For printing machinery, 71960 ACDMA/P4A Bearing’s precision ensures consistent paper feed and alignment. Its temperature range also makes it suitable for environments with fluctuating conditions.

Automotive vs Aerospace: Applications of 71960 ACDMA/P4A Bearing
In automotive testing rigs, 71960 ACDMA/P4A Bearing handles high-speed rotations with minimal vibration. Its angular contact design is perfect for simulating real-world conditions.

For satellite components, 71960 ACDMA/P4A Bearing’s P4 tolerance ensures precise positioning. The chrome steel balls and rings provide durability in zero-gravity environments.

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