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Super Precision Angular Contact Ball Bearings 71944 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71944 ACDGC/P4A

The 71944 ACDGC/P4A 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 moderate preload ensure smooth operation under radial loads up to 46800 lbf.

This open-design bearing spins efficiently at speeds up to 11000 RPM, thanks to its phenolic cage and 29 precision balls. It performs reliably in temperatures ranging from -30°C to 110°C, making it suitable for demanding environments.

The P4A tolerance class guarantees exceptional accuracy, while its universal matching capability allows flexible arrangements like back-to-back or tandem setups. Weighing 6.6kg, it’s ideal for high-precision applications such as machine tool spindles or aerospace components.

Compatible with SKF bearings, this model offers a practical solution for precision engineering needs where angular contact performance is crucial. Its lubricated design ensures long service life with minimal maintenance.

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Product Parameters

  • Part Number 71944 ACDGC/P4A
  • 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 38 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 64125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 6.6 kg
Super Precision Angular Contact Ball Bearings 71944 ACDGC/P4A dimension drawing
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Features

Performance Features of 71944 ACDGC/P4A Bearing

71944 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 46,800 lbf, 71944 ACDGC/P4A Bearing handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.

71944 ACDGC/P4A Bearing operates smoothly at speeds up to 11,000 rpm, balancing performance and longevity.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

Application

Key Fields for 71944 ACDGC/P4A Bearing
71944 ACDGC/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In aerospace applications, 71944 ACDGC/P4A Bearing supports components like turbine shafts, thanks to its ability to handle both radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed environments.

For robotics, 71944 ACDGC/P4A Bearing provides smooth motion in articulated arms, where precise alignment is essential. Its chrome steel construction offers durability in repetitive movements.

Medical imaging devices benefit from 71944 ACDGC/P4A Bearing’s low vibration and quiet operation, ensuring clear scans. The P4A tolerance class guarantees consistent performance in sensitive equipment.

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