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Super Precision Angular Contact Ball Bearings 71940 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71940 ACDGA/P4A

The 71940 ACDGA/P4A is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 44775 lbf and operates smoothly at speeds up to 6300 RPM.

With a 25° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is suitable for temperatures from -30°C to 110°C and comes lubricated for immediate use. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile setups.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and reliability are crucial. Weighing 6.1kg, it’s robust yet manageable for its size. Compliant with universal matching standards for flexible installation.

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Product Parameters

  • Part Number 71940 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 44775 lbf
  • Static Radial Load 56250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.1 kg
Super Precision Angular Contact Ball Bearings 71940 ACDGA/P4A dimension drawing
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Features

Performance Features of 71940 ACDGA/P4A Bearing

71940 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring durability and high precision.
Its 25° contact angle provides excellent angular contact performance for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 44775 lbf, it handles demanding applications with ease.

71940 ACDGA/P4A Bearing operates efficiently at speeds up to 6,300 rpm, balancing speed and reliability.
Its P4A tolerance class ensures superior precision, making it ideal for high-accuracy machinery.

The open design allows for easy lubrication, maintaining performance in varied conditions.
Weighing 6.1 kg, it offers a robust yet manageable solution for industrial applications.

Its universal matching capability supports back-to-back, face-to-face, or tandem arrangements for versatility.
This makes 71940 ACDGA/P4A Bearing adaptable to different mounting requirements.

Application

Common Applications of 71940 ACDGA/P4A Bearing
71940 ACDGA/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

In robotics, 71940 ACDGA/P4A Bearing provides stability in articulated arms, handling both radial and axial loads with ease. Its P4A tolerance class guarantees consistent performance in automated systems.

For aerospace applications, 71940 ACDGA/P4A Bearing’s chrome steel construction withstands extreme conditions while maintaining precision. The extra light preload helps minimise vibration in critical components.

Medical imaging devices benefit from 71940 ACDGA/P4A Bearing’s smooth operation, essential for reducing noise in sensitive equipment. The open design allows for easy lubrication, extending service life.

In electric motors, 71940 ACDGA/P4A Bearing supports high-speed rotation with minimal heat generation. Its universal matching capability simplifies installation in complex assemblies.

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