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Super Precision Angular Contact Ball Bearings 71944 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71944 ACDGA/P4A

The 71944 ACDGA/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 extra light preload ensure smooth operation under radial loads up to 46,800 lbf.

This open-design bearing spins efficiently at speeds up to 11,000 RPM and handles temperatures from -30°C to 110°C. The phenolic cage enhances durability while keeping the unit lightweight at 6.6kg.

Ideal for high-precision applications like machine tool spindles or aerospace systems, it’s universally matchable in back-to-back, face-to-face, or tandem arrangements. Compliant with P4A tolerance standards for reliable performance.

Interchangeable with SKF bearings, it offers flexibility for replacements or upgrades. Its lubricated design simplifies maintenance in demanding environments.

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Product Parameters

  • Part Number 71944 ACDGA/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 Extra light / Class A
  • 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 ACDGA/P4A dimension drawing
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Features

Performance Features of 71944 ACDGA/P4A Bearing

71944 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide high strength, supporting dynamic radial loads up to 46,800 lbf.

The phenolic cage ensures smooth operation, reducing friction at high speeds of up to 11,000 rpm.
With a precision tolerance class of P4A, it delivers consistent performance in demanding conditions.

71944 ACDGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching capability allows flexible arrangement options for varied applications.

Application

Industrial Uses of 71944 ACDGA/P4A Bearing
71944 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations in industrial settings.

In automotive applications, 71944 ACDGA/P4A Bearing supports components like electric motors and transmissions, thanks to its extra light preload and P4A tolerance class. Its chrome steel construction ensures durability under demanding conditions.

For automation systems, 71944 ACDGA/P4A Bearing is ideal for robotic arms and CNC machines, where its universal matching capability allows for flexible configurations. The high dynamic radial load capacity ensures reliable performance in continuous operations.

Medical imaging devices benefit from 71944 ACDGA/P4A Bearing’s precision and smooth operation, crucial for maintaining accuracy in diagnostic equipment. The wide temperature range also makes it adaptable to various clinical environments.

In consumer electronics, 71944 ACDGA/P4A Bearing can be found in high-end printers and scanners, where its low noise and vibration levels enhance user experience. The metric sizing ensures compatibility with a range of compact devices.

Q&A

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