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Super Precision Angular Contact Ball Bearings S71911 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings S71911 ACD/P4ADGA

The S71911 ACD/P4ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with a phenolic cage for durability.

This bearing handles radial loads up to 6660 lbf and reaches speeds of 34,000 RPM, making it suitable for high-performance applications. Its extra light preload ensures smooth operation, while the grease lubrication simplifies maintenance.

The universal matching design allows flexible arrangements like back-to-back or face-to-face, ideal for complex setups. It works reliably in temperatures from -30°C to 110°C.

Weighing 0.37kg, this bearing is perfect for precision machinery like spindles or CNC equipment. Compliant with P4A tolerance standards, it offers consistent accuracy and interchangeability with SKF bearings.

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Product Parameters

  • Part Number S71911 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 6660 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.37 kg
Super Precision Angular Contact Ball Bearings S71911 ACD/P4ADGA dimension drawing
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Features

Performance Features of S71911 ACD/P4ADGA Bearing

S71911 ACD/P4ADGA Bearing is crafted for high-speed applications, with a maximum speed of 34,000 rpm.

Its chrome steel rings and balls ensure durability and resistance to wear, even under heavy radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.

With a 25° contact angle, it efficiently handles angular contact loads, making it versatile for various setups.

How Is S71911 ACD/P4ADGA Bearing Engineered for Reliability?

S71911 ACD/P4ADGA Bearing features a sealed design, protecting against contaminants and extending service life.

The extra light preload (Class A) ensures minimal friction, ideal for precision tasks.

Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

Grease lubrication further enhances its reliability, reducing maintenance needs.

Designed for Durability: S71911 ACD/P4ADGA Bearing

S71911 ACD/P4ADGA Bearing withstands temperatures from -30°C to 110°C, suitable for diverse environments.

The P4A tolerance class guarantees high precision, meeting strict industrial standards.

With 23 balls of 7.938 mm diameter, it ensures even load distribution and smooth performance.

Its matched set of two bearings provides added stability for demanding applications.

Application

Industrial Uses of S71911 ACD/P4ADGA Bearing
S71911 ACD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71911 ACD/P4ADGA Bearing provides smooth motion control for articulated arms, thanks to its extra-light preload and universal matching capability. The phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace applications, S71911 ACD/P4ADGA Bearing handles both radial and axial loads in flight control systems. Its P4A tolerance class guarantees consistent performance under varying temperatures and speeds.

Medical imaging devices benefit from S71911 ACD/P4ADGA Bearing’s low-noise operation and grease lubrication. The chrome steel construction ensures reliability in sensitive diagnostic equipment.

In automotive testing rigs, S71911 ACD/P4ADGA Bearing supports high-speed rotating components. Its matched set configuration simplifies installation while maintaining precision alignment.

Q&A

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