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Super Precision Angular Contact Ball Bearings 71956 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71956 ACD/P4ADGA

The 71956 ACD/P4ADGA is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and extra light preload ensure smooth operation under radial loads up to 99450 lbf.

With a maximum speed of 7500 RPM, this bearing is designed for high-performance applications. The open seal type allows for easy lubrication, while the phenolic cage enhances durability.

This bearing comes in a matched set of two, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 25.8kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71956 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 92 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 99450 lbf
  • Static Radial Load 194625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 25.8 kg
  • Price（$） 494.676
Super Precision Angular Contact Ball Bearings 71956 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71956 ACD/P4ADGA Bearing

71956 ACD/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring durability and high performance.
Its 25° contact angle and universal matching design provide excellent load distribution and stability.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 99450 lbf, it handles demanding applications with ease.
The extra light preload (Class A) ensures precision, making it ideal for high-speed operations up to 7,500 rpm.
Its temperature range of -30°C to 110°C allows reliable performance in various environments.

Application

Industrial Uses of 71956 ACD/P4ADGA Bearing
71956 ACD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements in back-to-back or face-to-face configurations.

In aerospace applications, 71956 ACD/P4ADGA Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. The phenolic cage reduces friction, making it suitable for high-speed operations.

For automation systems, 71956 ACD/P4ADGA Bearing excels in robotic arms and CNC machines, where its chrome steel construction provides long-lasting performance. The lubricated design further enhances smooth movement in continuous operation.

Where Is 71956 ACD/P4ADGA Bearing Used?
71956 ACD/P4ADGA Bearing is ideal for wind turbine gearboxes, where its dynamic radial load capacity handles heavy forces. The open seal type allows for easy lubrication in harsh outdoor conditions.

In medical imaging devices, 71956 ACD/P4ADGA Bearing’s precision ensures stable rotation for accurate scans. The temperature range of -30°C to 110°C makes it reliable in various clinical environments.

Built for Heavy-Duty Use: 71956 ACD/P4ADGA Bearing
71956 ACD/P4ADGA Bearing is a go-to choice for industrial pumps, where its 194625 lbf static radial load capacity withstands constant pressure. The tandem arrangement option also suits applications requiring stacked bearing solutions.

For printing machinery, 71956 ACD/P4ADGA Bearing’s 31-ball design minimises vibration during high-speed paper handling. The metric dimensions ensure compatibility with European and Asian equipment standards.

Automotive vs Aerospace: Applications of 71956 ACD/P4ADGA Bearing
In automotive testing rigs, 71956 ACD/P4ADGA Bearing provides precise angular contact for accurate performance measurements. Its 7.5 krpm max speed suits both prototype and production line testing.

For aircraft landing gear systems, 71956 ACD/P4ADGA Bearing’s 25° contact angle optimises load distribution during impact. The matched set configuration simplifies maintenance in critical aviation components.

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