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Super Precision Angular Contact Ball Bearings 71944 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71944 ACD/P4AQBCB

The 71944 ACD/P4AQBCB is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 124425 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and matched arrangement of four bearings ensure stability and precision in demanding applications. The phenolic cage offers durability while keeping the weight manageable at 26.4kg.

Designed for angular contact loads, this bearing is ideal for machine tools or high-speed spindles where accuracy is crucial. It works well in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

Interchangeable with SKF bearings, it’s a reliable choice for replacements. The P4A tolerance class guarantees exceptional performance in precision engineering tasks.

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Product Parameters

  • Part Number 71944 ACD/P4AQBCB
  • 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 152 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 124425 lbf
  • Static Radial Load 256500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 26.4 kg
Super Precision Angular Contact Ball Bearings 71944 ACD/P4AQBCB dimension drawing
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Features

Performance Features of 71944 ACD/P4AQBCB Bearing

71944 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 124425 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 11,000 rpm.
With a matched arrangement of four bearings, it provides consistent performance in precision tasks.

71944 ACD/P4AQBCB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class guarantees high precision, making it suitable for demanding industrial uses.

Application

Industrial Uses of 71944 ACD/P4AQBCB Bearing
71944 ACD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched set of four bearings provides stability in demanding industrial environments.

In automotive applications, 71944 ACD/P4AQBCB Bearing supports high-performance gearboxes and drivetrains, thanks to its light preload and phenolic cage. Its metric sizing makes it a versatile choice for various vehicle designs.

For medical imaging devices, 71944 ACD/P4AQBCB Bearing’s chrome steel construction offers reliable performance under consistent loads. The open design allows for easy lubrication, extending its service life in critical equipment.

Automation systems benefit from 71944 ACD/P4AQBCB Bearing’s precision, particularly in robotic arms and CNC machinery. The P4A tolerance class ensures minimal vibration during high-speed operations.

In consumer electronics, 71944 ACD/P4AQBCB Bearing is found in high-end printers and scanners, where smooth rotation is essential. Its phenolic cage reduces friction, enhancing overall efficiency.

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