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Super Precision Angular Contact Ball Bearings 71944 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71944 ACDGB/P4A

The 71944 ACDGB/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 efficiently handles both radial and axial loads, making it versatile for demanding applications.

This bearing supports dynamic radial loads up to 46800 lbf and reaches speeds of 11000 RPM, thanks to its phenolic cage and lubricated design. It operates smoothly in temperatures ranging from -30°C to 110°C, ensuring reliable performance in various conditions.

With a P4A tolerance class, it offers exceptional precision for high-accuracy machinery. The open seal type allows for easy maintenance and lubrication, while its universal matching capability suits back-to-back, face-to-face, or tandem arrangements.

Ideal for precision equipment like machine tools or aerospace systems, this bearing combines durability and performance. Weighing 6.6kg, it’s robust yet manageable for its size, meeting stringent industry standards.

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Product Parameters

  • Part Number 71944 ACDGB/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 Light / Class B
  • 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 ACDGB/P4A dimension drawing
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Features

Performance Features of 71944 ACDGB/P4A Bearing

71944 ACDGB/P4A Bearing is crafted with chrome steel rings and balls, ensuring strength and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 46,800 lbf, it suits demanding applications.
The P4A tolerance class ensures high precision and smooth operation.
Its maximum speed of 11,000 rpm makes it ideal for high-speed machinery.

71944 ACDGB/P4A Bearing operates in temperatures from -30°C to 110°C.
The open design simplifies lubrication, ensuring consistent performance.
Its universal matching capability allows flexible arrangement options.

The lightweight phenolic cage reduces overall weight without compromising strength.
With 29 balls of 25.4 mm diameter, it ensures even load distribution.
Its precise dimensions (220 mm×300 mm×38 mm) guarantee a perfect fit.

71944 ACDGB/P4A Bearing’s light preload enhances stability and reduces vibration.
The chrome steel construction resists wear, extending service life.
Its static radial load capacity of 64,125 lbf ensures reliability under heavy loads.

Application

Industrial Uses of 71944 ACDGB/P4A Bearing
71944 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

Where Is 71944 ACDGB/P4A Bearing Used?
In automotive testing equipment, 71944 ACDGB/P4A Bearing provides reliable performance under dynamic radial loads. Its phenolic cage and chrome steel construction offer durability in high-speed scenarios.

Built for Heavy-Duty Use: 71944 ACDGB/P4A Bearing
71944 ACDGB/P4A Bearing excels in industrial gearboxes, handling both radial and axial loads with ease. The open design allows for efficient lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of 71944 ACDGB/P4A Bearing
In automotive systems, 71944 ACDGB/P4A Bearing supports high-speed transmissions, while in aerospace, it ensures precision in actuator mechanisms. Its universal matching capability adds versatility across industries.

Perfect Fit for Automation: 71944 ACDGB/P4A Bearing
71944 ACDGB/P4A Bearing is ideal for robotic arms, where its 25° contact angle enhances stability during repetitive movements. The metric dimensions ensure compatibility with standard automation components.

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