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Super Precision Angular Contact Ball Bearings 7044 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7044 ACD/P4ADGB

The 7044 ACD/P4ADGB is a super precision angular contact ball bearing with a 220mm bore and 340mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 117000 lbf and operates smoothly at speeds up to 6300 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for complex setups. The phenolic cage ensures durability while keeping the bearing lightweight.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, making replacements straightforward.

Perfect for high-precision machinery like spindles or CNC equipment where accuracy and reliability are key. Weighing 32.1kg, it’s robust yet designed for smooth performance. Compliant with P4A tolerance standards for consistent quality.

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Product Parameters

  • Part Number 7044 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 340 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 112 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 21
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 117000 lbf
  • Static Radial Load 198000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 32.1 kg
Super Precision Angular Contact Ball Bearings 7044 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7044 ACD/P4ADGB Bearing

7044 ACD/P4ADGB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

Its universal matching capability allows for flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 117,000 lbf, it performs reliably in high-precision applications.

How Does 7044 ACD/P4ADGB Bearing Achieve High Precision?

7044 ACD/P4ADGB Bearing meets P4A tolerance standards, ensuring exceptional accuracy for demanding tasks.

Its light preload (Class B) minimises deflection, enhancing performance in high-speed applications up to 6,300 rpm.

The open design allows for easy lubrication, maintaining optimal performance over extended periods.

Weighing 32.1 kg, it balances robust construction with precision engineering.

Engineered for Precision: 7044 ACD/P4ADGB Bearing

7044 ACD/P4ADGB Bearing’s chrome steel construction resists wear, even under heavy static loads of 198,000 lbf.

The 21 balls, each 38.1 mm in diameter, distribute loads evenly for consistent performance.

Its temperature range of -30°C to 110°C ensures reliability in varied operating conditions.

The matched set of two bearings offers versatility for complex mounting requirements.

Application

Key Fields for 7044 ACD/P4ADGB Bearing
7044 ACD/P4ADGB Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The universal matching design allows flexible arrangements, making it suitable for complex spindle configurations.

In aerospace applications, 7044 ACD/P4ADGB Bearing supports critical components like turbine shafts, thanks to its phenolic cage and chrome steel construction. Its P4A tolerance class guarantees the precision needed for demanding flight conditions.

For automation systems, 7044 ACD/P4ADGB Bearing excels in robotic arms and CNC machinery, where light preload enhances responsiveness. The lubricated design ensures smooth operation even during prolonged high-speed cycles.

Medical imaging devices benefit from 7044 ACD/P4ADGB Bearing’s low vibration and consistent performance. The open seal type simplifies maintenance, while the metric dimensions ensure compatibility with European equipment standards.

In heavy industrial gearboxes, 7044 ACD/P4ADGB Bearing handles substantial radial loads with ease. Its tandem arrangement option provides additional stability for large-scale power transmission systems.

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