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Super Precision Angular Contact Ball Bearings 71944 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71944 CD/P4ADGA

The 71944 CD/P4ADGA 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 80550 lbf and operates smoothly at speeds up to 11000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the 15° contact angle provides excellent load distribution. The bearing works reliably in temperatures ranging from -30°C to 110°C.

This model is part of a matched set of two bearings, offering universal matching for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle systems where accuracy is crucial.

Weighing 13.2kg, it’s robust yet designed for precision performance. Compliant with P4A tolerance class, it ensures consistent and reliable operation.

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Product Parameters

  • Part Number 71944 CD/P4ADGA
  • 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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 80550 lbf
  • Static Radial Load 135000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 13.2 kg
Super Precision Angular Contact Ball Bearings 71944 CD/P4ADGA dimension drawing
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Features

Performance Features of 71944 CD/P4ADGA Bearing

71944 CD/P4ADGA Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 80,550 lbf.

The phenolic cage ensures smooth operation, reducing friction and noise even at high speeds.
With a maximum speed of 11,000 rpm, it delivers reliable performance in precision settings.

71944 CD/P4ADGA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching design allows flexible arrangement options, including back-to-back or face-to-face configurations.

The extra light preload (Class A) ensures minimal resistance, enhancing efficiency.
Its open seal type simplifies maintenance while maintaining performance in clean environments.

Application

Industrial Uses of 71944 CD/P4ADGA Bearing
This bearing excels in high-precision machine tools, where its 15° contact angle and P4A tolerance ensure accurate spindle performance. The universal matching design allows flexible arrangements for back-to-back or tandem setups.

Where Is 71944 CD/P4ADGA Bearing Used?
You’ll find it in aerospace applications, particularly in helicopter gearboxes, where its extra-light preload reduces friction. The phenolic cage also dampens vibrations for smoother operation.

Built for Heavy-Duty Use: 71944 CD/P4ADGA Bearing
Its chrome steel construction handles heavy radial loads in industrial pumps, while the 25.4mm balls distribute stress evenly. The lubricated design extends service life in continuous operations.

Automotive vs Aerospace: Applications of 71944 CD/P4ADGA Bearing
In racing cars, it supports turbocharger shafts with its 11,000 rpm capability. For satellites, the -30°C to 110°C range ensures reliability in extreme orbital conditions.

Perfect Fit for Automation: 71944 CD/P4ADGA Bearing
Robotic arms benefit from its 29-ball design for smooth articulation. The matched set configuration simplifies installation in assembly line equipment.

Q&A

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