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Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGD

Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGD

The 71944 ACD/P4ADGD is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from durable chrome steel. It handles heavy radial loads up to 76050 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet, long-lasting performance even under heavy preload.

This bearing suits high-precision applications like machine tool spindles or aerospace systems. It works in temperatures from -30°C to 110°C and comes as a matched set of two for balanced performance.

Weighing 13.2kg, it’s robust yet precision-engineered for demanding environments. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71944 ACD/P4ADGD
  • 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 Heavy / Class D
  • 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/P4ADGD dimension drawing
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Features

Performance Features of 71944 ACD/P4ADGD Bearing

71944 ACD/P4ADGD Bearing is crafted with chrome steel rings and balls, offering high resistance to radial and angular loads.
Its dynamic radial load capacity of 76050 lbf ensures stable performance in precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 11,000 rpm, it delivers efficient operation under heavy preload conditions.

71944 ACD/P4ADGD Bearing operates in temperatures from -30°C to 110°C, suitable for various industrial environments.
Its universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

The P4A tolerance class ensures high precision, making it ideal for demanding machinery.
Its lubricated design reduces maintenance needs while maintaining smooth performance.

Application

Industrial Uses of 71944 ACD/P4ADGD Bearing
71944 ACD/P4ADGD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and universal matching make it suitable for demanding industrial environments.

In automotive applications, 71944 ACD/P4ADGD Bearing supports high-performance gearboxes and drivetrains, handling both radial and axial loads efficiently. Its chrome steel construction provides durability under continuous use.

For automation systems, 71944 ACD/P4ADGD Bearing is ideal for robotic arms and CNC machines, offering smooth operation at high speeds. The phenolic cage reduces friction, enhancing overall performance.

Medical imaging equipment benefits from 71944 ACD/P4ADGD Bearing’s precision and reliability, ensuring consistent operation in critical diagnostics. The P4A tolerance class guarantees minimal vibration and noise.

Q&A

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