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Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGA

The 71944 ACD/P4ADGA is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and extra-light preload ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 76050 lbf and spins efficiently at speeds up to 11000 RPM. The phenolic cage offers durability while keeping weight manageable at 13.2kg.

Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or aerospace systems.

With a temperature range of -30°C to 110°C, it performs reliably in demanding environments. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71944 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 29
  • 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 76050 lbf
  • Static Radial Load 128250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 13.2 kg
Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71944 ACD/P4ADGA Bearing

71944 ACD/P4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 76050 lbf.

The phenolic cage ensures smooth operation, reducing friction even at high speeds of 11,000 rpm.
Universal matching allows flexible arrangements, including back-to-back or face-to-face configurations.

With a P4A tolerance class, 71944 ACD/P4ADGA Bearing delivers consistent performance in demanding conditions.
Its extra-light preload design minimises energy loss, improving efficiency.

The open seal type facilitates easy lubrication, extending maintenance intervals.
Operating between -30°C and 110°C, it remains reliable in varied environments.

Application

Industrial Uses of 71944 ACD/P4ADGA Bearing
71944 ACD/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications demanding minimal friction and smooth operation.

In aerospace applications, 71944 ACD/P4ADGA Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The universal matching feature allows for flexible arrangement in complex assemblies.

For automation systems, 71944 ACD/P4ADGA Bearing excels in robotic arms, providing reliable performance under continuous angular loads. The phenolic cage material offers durability while maintaining low weight for efficient movement.

Medical imaging devices benefit from 71944 ACD/P4ADGA Bearing’s precision, ensuring stable rotation in scanners and diagnostic equipment. The P4A tolerance class guarantees consistent performance in sensitive environments.

In high-speed machining centres, 71944 ACD/P4ADGA Bearing’s lubricated design reduces wear, extending service life even under demanding conditions. The chrome steel construction adds to its resilience in industrial settings.

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