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Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGB

The 71944 ACD/P4ADGB is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from durable chrome steel. It handles 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 high speeds.

This bearing is ideal for precision machinery like spindles or CNC equipment where accuracy is crucial. It works well in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 13.2kg, this matched set of two bearings offers reliable performance for demanding applications. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number 71944 ACD/P4ADGB
  • 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 Light / Class B
  • 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
  • Price（$） 277.92
Super Precision Angular Contact Ball Bearings 71944 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71944 ACD/P4ADGB Bearing

71944 ACD/P4ADGB Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, enhancing performance in angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and extending operational life.
With a dynamic radial load capacity of 76050 lbf, it handles demanding conditions with ease.

71944 ACD/P4ADGB Bearing operates smoothly at speeds up to 11,000 rpm, balancing speed and reliability.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

The P4A tolerance class guarantees precision, making it suitable for high-accuracy applications.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

Application

Industrial Uses of 71944 ACD/P4ADGB Bearing
71944 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71944 ACD/P4ADGB Bearing supports critical components like turbine shafts, thanks to its phenolic cage and chrome steel construction. Its high-speed capability (up to 11,000 rpm) ensures reliable performance in demanding conditions.

For automation systems, 71944 ACD/P4ADGB Bearing is ideal for robotic arms and CNC machinery, where light preload and P4A tolerance class enhance precision. The open seal design simplifies maintenance in continuous operation environments.

Medical imaging devices benefit from 71944 ACD/P4ADGB Bearing’s consistent performance and low friction. Its chrome steel balls and rings provide durability, while the phenolic cage reduces vibration for smoother operation.

In heavy industrial equipment, 71944 ACD/P4ADGB Bearing handles high dynamic loads (76,050 lbf) with ease. The tandem or back-to-back arrangements offer versatility for various load directions and space constraints.

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